JP2018031839A - Electronic device learning device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide various electronic parts included in the above kit to a circuit board included in the kit when assembling an electronic device having a function desired by the learner, which is provided to an individual learner as a personal electronic learning kit. Provided is an electronic device learning device capable of efficiently learning various electronic circuits by effectively utilizing the above-mentioned various electronic parts before being incorporated and mounted in the above. An electronic part unit 10 (10a, 10b, 10c), a circuit component Pn (Pn = P1, P2, P3, ...) To be an electronic part, a circuit card 20, a learning base 30, and a conductive ink pen. It includes Ag, a power supply part 50, a load part 60, and a connection cable CC. [Selection diagram] Fig. 2

Description

  The present invention relates to an electronic device learning apparatus that is provided as a practical training material for schools in the field of electronic technology and that enables multiple types of circuit learning by function.

  Conventionally, electronic teaching kits such as desk lamps, portable radios, intercoms, and the like existed as practical training materials for schools in the field of electronic technology. These existing electronic teaching materials are the technical acquisition of electronic equipment whose circuit board, circuit configuration, parts used, assembly order, operation function, etc. are determined in advance, and the technology that enables function change, circuit change, application circuit design, etc. Since learning is not considered learning, there was a problem in the teaching practice of electronic technology with a high degree of freedom entrusted to the creativity of learners (learners) who acquired technology. In addition, in order to learn the operation functions of multiple types of equipment, there was a problem that multiple types of teaching material kits had to be prepared separately.

JP 2001-047663 A JP 2013-134349 A JP 2010-153377 A

  As described above, the existing electronic teaching materials are the technology acquisition of electronic devices in which the circuit board, circuit configuration, components used, assembly order, operation functions, etc. are determined in advance, and left to the creativity of learners who acquire the technology. There was a problem in the teaching practice of electronic technology with a high degree of freedom.

  The present invention has been made in view of the above-described circumstances, and various electronic devices included in the kit are included in an assembling practice of an electronic device having a function desired by the learner provided as a personal electronic learning kit. It is an object of the present invention to provide an electronic device learning apparatus capable of efficiently learning various electronic circuits by effectively utilizing the various electronic parts before the parts are embedded and mounted on the circuit board included in the kit. .

  Furthermore, when selecting a desired electronic circuit from various functional circuits acquired by the above learning and producing a practical device as a product, it is highly flexible that circuit board creation and circuit mounting of the practical device can be efficiently performed. An object of the present invention is to provide an electronic device learning apparatus that enables circuit design.

  An electronic device learning apparatus according to an embodiment of the present invention includes a small piece substrate having a conductive pattern and a component mounting surface, a plurality of electrode mounting portions provided on the small piece substrate at intervals, and a rod-like conductive magnetic body An electronic part unit comprising a plurality of external connection electrodes, each of which is made of metal, fixed to the electrode mounting portion in a state where one end is connected to the conductive pattern, and the other end protruding in the thickness direction of the small substrate, A circuit component mounted on a component mounting surface and conductively connected to the conductive pattern, a learning base having a plurality of permanent magnets arranged vertically and horizontally with the interval between the external connection electrodes as a reference pitch, and the arrangement of the permanent magnets The electrode arrangement guide mark of the same arrangement and the wiring guide mark over the adjacent electrode arrangement guide mark are marked, and the wiring pattern is placed on the wiring guide mark A circuit card mounted on the learning base, the circuit card being placed in a state where the wiring pattern forming surface is exposed to the learning base. A plurality of electronic part units are mounted on the circuit card, and the circuit component and the wiring pattern are connected in a circuit with the external connection electrode attracted to the permanent magnet, thereby forming an electronic circuit on the learning base. It is characterized by being.

  Further, in the electronic device learning apparatus, the electronic part unit has a pin socket joined to the lead in a state where the lead of the circuit component is inserted, and the circuit component is mounted on the component mounting surface via the pin socket. It is characterized by being mounted on.

  In the electronic device learning apparatus, the learning base holds a card placement unit on which the circuit card is placed with the wiring pattern forming surface exposed, and a conductive ink pen used for drawing the wiring pattern. And a pen holding portion, wherein the wiring pattern is drawn on the wiring pattern forming surface of the circuit card placed on the card placement portion by the conductive ink pen.

  In the electronic device learning apparatus, the permanent magnet has a columnar shape and is provided so as to be movable in the axial direction with an axial direction orthogonal to the card placement portion.

  In the electronic device learning apparatus, a semiconductor element having a female connector to which a terminal of a semiconductor element can be connected is provided on the small board, and the semiconductor element is connected to the external connection electrode through the connector and the conductive pattern. An electronic part unit for mounting, and an electronic part mounted electronic part unit having an electronic part having a manual operation unit on the small-sized substrate and circuit-connecting the electronic part to the external connection electrode via the conductive pattern, or One of the electronic part units is further provided.

  The electronic device learning apparatus further includes a connection cable that supplies power for operation to the wiring pattern formed on the wiring pattern formation surface, and a connection cable that connects load parts to the wiring pattern formed on the wiring pattern formation surface. It is characterized by that.

  In the electronic device learning apparatus, the power supply part that supplies the operation power to the wiring pattern formed on the wiring pattern forming surface, and the power supply connected to the wiring pattern formed on the wiring pattern forming surface operates by the operation power supply. A load part, a circuit part for controlling the operation of the load part by the operation power supply, and the circuit card used for circuit learning are provided as a personal supply kit.

  In the electronic device learning apparatus, the conductive pattern includes a land corresponding to the electrode arrangement guide mark provided on the circuit card, and a conductive pattern corresponding to the wiring guide mark that is conductively connected to the land. A pattern sheet that can be cut along, and a universal substrate that has component lead insertion holes arranged in the same manner as the lands, and the pattern sheet cut along the conductive pattern is attached to one surface as a pattern seal. Is provided as the personal supply kit.

  In the electronic device learning apparatus, the learning base, a conductive ink pen for drawing the wiring pattern on the circuit card, a connection cable for connecting the power part and the load part to the wiring pattern drawn on the circuit card. An electronic part unit for mounting a semiconductor element having a female connector to which a terminal of a semiconductor element can be connected to the small piece substrate, and an electronic part unit having an electronic part mounted to the small piece substrate having an electronic part having a manual operation unit. It is provided as a shared supply kit shared by multiple learners.

  According to the present invention, various electronic parts included in the above kit are included in the kit for assembling practice of an electronic device provided with a function desired by the learner provided as an individual electronic learning kit. Therefore, it is possible to provide a learning apparatus that can efficiently learn various electronic circuits that effectively use the various electronic parts described above before being mounted on a circuit board.

  Furthermore, when selecting a desired electronic circuit from various functional circuits acquired by the above learning and producing a practical device as a product, it is highly flexible that circuit board creation and circuit mounting of the practical device can be efficiently performed. A learning apparatus that enables circuit design and circuit implementation can be provided.

The perspective view which notched a part which shows the structure of the principal part of the electronic device learning apparatus which concerns on embodiment of this invention. The top view which shows the example of application of the said electronic device learning apparatus. The side view which shows the structure of the electronic part unit used for the said electronic device learning apparatus. The top view (a), the side view (b), and the rear view (c) which show the structural example of the electronic part mounted electronic part unit used for the said electronic device learning apparatus. The circuit diagram which shows the example of 1 structure of the electronic circuit using the said electronic device learning apparatus. The top view which shows the structure of the pattern sheet and universal substrate which are used for the said electronic device learning apparatus. The figure which shows the structural example of the pattern seal | sticker produced by cut | disconnecting the pattern sheet | seat shown in FIG. The figure which shows one structural example which affixed the pattern seal | sticker shown in FIG. 7 on the pattern formation surface of the universal substrate shown in FIG.

  An electronic device learning device according to an embodiment of the present invention is an electronic circuit included in the kit for assembling practice of an electronic device provided with a function desired by a learner provided as an individual electronic learning kit. Before mounting and mounting so-called electronic parts such as resistors, capacitors, diodes, thermistors, LEDs, CDS, photoelectric conversion elements, and other semiconductor elements on the circuit board included in the kit, The electronic parts that are the circuit elements of the circuit are effectively used, and various electronic circuits can be efficiently learned by using the electronic part unit 10, the circuit card 20, and the learning base 30, which will be described later. In addition, the circuit board is created by the individual learner using the pattern sheet and universal board included in the kit, so that it is possible to perform circuit training with a higher learning effect and desired from various functional circuits acquired in advance. When a practical device is manufactured by selecting an electronic circuit to be used, circuit board creation and circuit mounting of the practical device can be efficiently performed. This realizes an electronic device learning apparatus that enables circuit design and circuit mounting with a high degree of freedom.

  An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a configuration of a main part of an electronic device learning apparatus according to an embodiment of the present invention. FIG. 2 shows a configuration example of an electronic device learned by the electronic device learning apparatus. FIG. 3 shows the configuration of the electronic part unit constituting the electronic component unit, and FIG. 4 shows the configuration of the electronic part unit mounted with the electronic part having the electronic part having the manual operation unit on the small board.

  As shown in FIGS. 1 to 4, the electronic device learning apparatus according to the embodiment of the present invention includes an electronic part unit 10 (10a, 10b, 10c) and a circuit component Pn (Pn = P1, P2, which becomes an electronic part). P3,...), A circuit card 20, a learning base 30, a conductive ink pen Ag, a power supply part 50, a load part 60, and a connection cable CC.

  As shown in FIG. 1 and FIG. 3, the electronic part unit 10a includes a small piece substrate TB having a component mounting surface fa and a pattern forming surface fb and a conductive pattern 10p, and a plurality of pieces provided on the small piece substrate TB with a space therebetween. The holes 11h and 11h serving as the electrode mounting portions of the electrode and the rod-like conductive magnetic metal are fixed to the electrode mounting portion 11h with one end connected to the conductive pattern 10p, and the other end is the thickness of the small board TB. A plurality of external connection electrodes 11 and 11 projecting in a direction orthogonal to the pattern forming surface fb and a plurality of two-terminal (2-lead) circuit components P1 such as capacitors, resistors, diodes, and thermistors are mounted. Pin sockets 12 and 12 are provided.

  The external connection electrodes 11 and 11 and the pin sockets 12 and 12 are respectively inserted into through holes with lands provided on the small board TB and fixed to the small board TB with solder (S). 12 is connected to the circuit by a conductive pattern 10p.

  The other end of the external connection electrodes 11, 11 forms a contact surface that comes into contact with the wiring pattern PT drawn on the circuit card 20 during learning of an electronic circuit described later using the circuit card 20 and the learning base 30.

  Each of the pin sockets 12 and 12 has a lead insertion terminal 12h. When the electronic circuit is learned, when the lead of the circuit component Pn is inserted into the lead insertion terminal 12h, the pin socket 12 is joined to the inserted lead. Is connected to the external connection electrodes 11 through the conductive pattern 10p. In the illustrated embodiment, single pin female sockets are used for the pin sockets 12 and 12, but a multi-pin pin socket may be used so that any pin socket of a plurality of pins can be used. .

  The circuit component Pn is a circuit element of an electronic circuit, for example, a two-terminal circuit component P1 such as a resistor, a capacitor, an inductor, a diode, a thermistor, an LED, a CDS, a photoelectric conversion element, or a lead having three or more terminals. For example, it is a so-called electronic part including a circuit part P2 such as a transistor or a three-terminal IC, and a circuit part P3 such as a switch or a variable resistor having a manual operation unit. In this embodiment, the function desired by the learner Is provided to learners as a personal electronic learning kit together with a printed circuit board for assembling an electronic device equipped with electronic parts Pn to be circuit elements of the electronic circuit described above before being mounted on the printed circuit board. Utilizing the electronic part unit 10, the circuit card 20 and the learning base 30 effectively, Is it possible to learn.

  The circuit card 20 has a wiring pattern forming surface 20a on which the wiring pattern PT can be drawn using the conductive ink pen Ag. After the wiring pattern PT is drawn on the wiring pattern forming surface 20a, the circuit card 20 The pattern forming surface 20a is exposed and positioned on the learning base 30. On this wiring pattern forming surface 20a, wiring guide marks (L) extending over electrode placement guide marks (g) having the same placement as permanent magnet placement (described later) provided on the learning base 30 and adjacent electrode placement guide marks (gg). ) And the wiring pattern PT is drawn on the mark (g, L) by the conductive ink pen Ag with reference to the guide marks (g, L). In the illustrated embodiment, 5 × 7 = 35 electrode arrangement guide marks (g) are arranged on the wiring pattern forming surface 20a, and circle numbers 1 to 35 (not shown) continuous to the respective marks (g). ) Is attached.

  The learning base 30 includes a card placement unit 30a on which the circuit card 20 is positioned and placed with the wiring pattern forming surface 20a exposed, and a pen holding unit 30b that holds the conductive ink pen Ag. The card placing portion 30a is formed by a partition member 31 made of a thin film-like nonmagnetic material that forms a card placing surface and a frame-like portion that houses the circuit card 20. Further, the learning base 30 has a plurality of permanent magnets Mg, Mg,... Arranged vertically and horizontally with the interval between the external connection electrodes 11, 11 provided in the electronic part unit 10 as a reference pitch. In this figure, a magnet support member 32 is provided inside a learning base 30 partitioned by a partition member 31, and 5 × 7 = 35 (5 × 7) cylindrical permanent magnets Mg, Mg,. It is supported by the magnet support member 32 and the partition member 31 so as to be movable in the axial direction (see arrow a in the figure) with the direction perpendicular to the card placement portion 30a and the magnetic poles made uniform.

  By placing and storing the circuit card 20 on the card mounting portion 30a of the learning base 30 with the wiring pattern forming surface 20a exposed, permanent magnets Mg, Mg,... And electrode placement guide marks (g) are wired. It arrange | positions in the same position in the direction orthogonal to the pattern formation surface 20a. In this state, by placing the electronic part unit 10 on the wiring pattern forming surface 20a while aligning the external connection electrodes 11 and 11 with the electrode placement guide mark (g), the external connection electrodes 11 and 11 become the same electrode. The circuit components Pn mounted on the electronic part unit 10 and the wiring pattern PT drawn on the wiring pattern forming surface 20a are connected to the circuit by being attracted by the permanent magnets Mg, Mg arranged in proximity, and the electrodes are formed in the same manner as described above. A desired electronic circuit is formed on the learning base 30 by positioning and placing a plurality of electronic part units 10 on the wiring pattern forming surface 20a.

  In addition to the electronic part unit 10a of the type that selects and mounts an arbitrary electronic component having the pair of lead insertion terminals 12h and 12h shown in FIG. A small connector TB has a female connector CN to which each lead of a three-terminal semiconductor element (transistor: P2 in the figure) can be connected, and the semiconductor element P2 is connected to three external parts via the connector CN and the conductive pattern 10p. A semiconductor element mounting electronic part unit 10b for circuit connection to the connection electrodes 11, 11, 11 is prepared in advance as a shared electronic part. Further, as illustrated in FIG. 4, an electronic part (tact switch: P5 in the figure) having a manual operation unit is provided on the small board TB, and the electronic part P5 is connected to the external connection electrode via the conductive pattern 10p. The electronic parts mounted electronic parts unit 10c connected to the circuits 11 and 11 is prepared in advance as shared electronic parts. Further, as illustrated in FIG. 5, a circuit contacting / separating electronic part unit 10 d in which the external connection electrodes 11 and 11 are directly connected to each other with a conductive pattern is prepared in advance as a simple on / off switch.

  By selecting and using these electronic part units 10 (10a, 10b, 10c), the electrodes are aligned in the same manner as described above, and a plurality of electronic part units 10 are placed on the wiring pattern forming surface 20a. In addition, a desired electronic circuit in which a semiconductor element having three or more terminals or a manual operation element is mounted is formed.

  Thus, an arbitrary electronic circuit can be easily formed on the learning base 30 using the electronic part unit 10 (10a, 10b, 10c), and the learning base 30 functions as a so-called experimental substrate. The electronic parts mounted on the electronic part unit 10 act as experimental circuit elements and are used for experiments.

  After a desired electronic circuit is formed on the learning base 30, as shown in FIG. 2, a power supply part 50 that supplies operation power to the electronic circuit formed on the learning base 30 using a connection cable CC By connecting the load part 60 to the circuit, the load part 60 has a specific function in which the operation is controlled by the electronic circuit formed on the learning base 30 using the power supplied from the power supply part 50 as the operation power supply. An electronic circuit or an electronic device can be realized on the learning base 30.

  The connection interface between the connection cable CC and each of the parts (50, 60) may be a connection interface using an existing connector. In this embodiment, a permanent magnet is used for the electrode on the connection cable side, The connection cable CC is easily attached and detached as a connection interface using conductive magnetic metal for the electrodes (51-52, 61-62).

  Although the battery power source using the battery holder included in the personal supply kit is applied to the power supply part 50, for example, an adapter power source in which the output end of the charging adapter is connected to the connection cable CC may be used. As the load part 60, an LED and a speaker included in the personal supply kit are applied.

  Specific examples of the electronic circuit or electronic device realized on the learning base 30 include, for example, a power source supplied from the power supply part 50 as a battery power source and a load part 60 as an illumination LED. Thus, by sequentially interposing a resistor parallel circuit, a series circuit, an integration circuit, a CDS circuit, an amplifier circuit using a speaker as a microphone, etc. into the LED lighting power supply circuit, experiments on the functions and characteristics of these various circuits are performed. Is possible.

  FIG. 5 shows an example of the circuit configuration of the electronic device realized on the learning base 30. Here, the lighting control circuit of the LED lighting stand is realized using the LED for illumination as the load part 60 and the electronic part unit 10d for circuit contact / separation as a simple on / off switch as the switch.

  As described above, according to the embodiment of the present invention, an electronic circuit included in the kit is provided for assembling practice of an electronic device having a function desired by the learner, which is provided to the individual learner as a personal electronic learning kit. Before mounting the so-called electronic parts such as resistors, capacitors, diodes, thermistors, LEDs, CDS, photoelectric conversion elements, and other semiconductor elements on the printed circuit board included in the kit, By effectively using electronic parts that are circuit elements of the circuit, the learning base 30 can be used as an experimental board to efficiently learn electronic circuits and electronic devices.

  When the function learning of the various electronic circuits described above is completed, a practical circuit board of a product as a final product is created using the pattern sheet and universal board included in the kit.

  This practical circuit board is created using a pattern sheet 71 and a universal board 81 included in the kit shown in FIG.

  The pattern sheet 71 is electrically connected to the conductive pattern 72 provided in a grid pattern corresponding to the wiring guide mark (L) provided on the circuit card 20 and is provided on the circuit card 20. A land 73 provided at the intersection of the conductive pattern 72 corresponding to the electrode placement guide mark (g), and a quadrilateral opening surrounded by the conductive pattern 72, and each side and four corners are defined as pattern cutting guides. It is composed of an adhesive seal member having an opening 74, with one surface being a printing surface and the other surface being an adhesive surface on which a thin adhesive sheet is stretched, with the adhesive surface protected with release paper. Yes. The land 73 is provided with a component lead insertion hole 73h in the center, and a guideline (dashed line) indicating the position where the conductive pattern 72 is arranged and a reference number indicating the arrangement position of the conductive pattern 72 are printed on the printed surface. Has been.

  By sticking out a sheet piece having the conductive pattern 72 and the land 73 from the pattern sheet 71 by cutting with a scissors or a cutter, a pattern seal having the cut sheet piece as a wiring pattern is attached to the universal substrate 81. Created as One structural example of the sticker seal cut out from the pattern sheet 71 is shown in FIG. Here, a plurality of sticker seals 71c, 71c,..., Each having a plurality of conductive patterns 72 and lands 73, cut out in an L shape and a straight line using the sides and corners of the opening 74 as pattern cutting guides, are shown. Has been.

  The sticking seals 71c, 71c,... Are cut out by using the sides of the opening 74 along the conductive pattern 72 as cutting edges and using part of the four corners as bending points of the cutting pattern. The landing seals 71c, 71c,... Can be easily cut out with high accuracy.

  The universal substrate 81 has one surface as a component mounting surface and the other surface as a wiring pattern forming surface to which the sticking seals 71c, 71c,... Are attached, and the conductive pattern 72 is attached to the wiring pattern forming surface. A rigid substrate (a component lead insertion hole 83 through which a lead of an electronic component is inserted is formed at each grid-like intersection position coinciding with the land 73 on the plate surface. Hard insulating substrate).

  The practical circuit board using the pattern sheet 71 and the universal board 81 shown in FIG. 6 is prepared from the pattern sheet 71 according to a desired circuit pattern and pattern layout, as shown in FIG. , 71c,... Are cut out with a scissors or a cutter, the release paper stretched on the sticking surfaces of the cut sticking stickers 71c, 71c,... Is peeled off, and the cut sticking stickers 71c, 71c,. The pattern placement guide mark 82 is referred to and attached to the wiring pattern forming surface of the universal substrate 81. At this time, the component lead insertion hole 73h provided in the land 73 of the sticking seal 71c and the component lead insertion hole 83 provided in the universal substrate 81 are made to coincide with each other so that the sticking seals 71c, 71c,. Paste to. The positioning of the holes can be easily performed by using the lead of the mounting component and inserting the lead into the component lead insertion hole 83 and the component lead insertion hole 73h of the land 73. A tool may be prepared in advance, and this jig may be used.

  In this way, the sticker seals 71c, 71c,... Are cut out from the pattern sheet 71, and the cut-out sticker seals 71c, 71c,. create. An example of making this practical circuit board is shown in FIG.

  As shown in FIG. 8, after the sticker seals 71c, 71c,... Are stuck on the wiring pattern forming surface of the universal board 81 to create a practical circuit board having a desired pattern layout and circuit configuration, component mounting of the board is performed. Mount electronic components on the surface. The electronic component is mounted by inserting the lead of the component into the component lead insertion hole 83 and the component lead insertion hole 73h of the land 73 communicating with the hole, and soldering the lead protruding from the component lead insertion hole 73h to the land 73. As a result, the electronic component is mounted on a practical circuit board (universal board) 81 made by itself. At this time, an unnecessary portion of the lead protruding from the component lead insertion hole 73h is cut with a nipper.

  As described above, by creating a practical circuit board using the pattern sheet 71 and the universal board 81, it is possible to perform circuit training with a higher learning effect, and it is desired from various functional circuits acquired in advance. When an electronic circuit to be selected is selected and a practical device is manufactured, circuit board creation and circuit mounting of the practical device can be efficiently performed. As a result, it is possible to provide an electronic device learning apparatus that enables circuit design and circuit mounting with a high degree of freedom.

  In the embodiment described above, an example in which all circuit patterns are created by the sticker seals 71c, 71c,... Cut out from the pattern sheet 71 has been shown. The universal substrate may be constituted by a printed wiring board on which a part of the circuit pattern such as the above pattern is printed in advance. In the above-described embodiment, the pattern sheet 71 is configured by an adhesive seal member whose adhesive surface is protected by a release paper. For example, an individual learner uses an adhesive to wire a sheet piece cut out from the pattern sheet 71. A wiring pattern forming unit that is attached to the wiring pattern forming surface of the universal substrate 81 as a pattern may be used.

  In the embodiment described above, the power supply part 50 that supplies the operation power to the circuit formed on the learning base 30, the load part 60 that operates by the operation power supply, the electronic part Pn, the circuit card 20, and the electronic A printed circuit board incorporating parts and assembly instructions including various experimental circuits are provided as a personal supply kit, and a plurality of learning bases 30, conductive ink pens Ag, connection cables CC, and electronic parts units 10 (10a, 10b, 10c) are provided. However, the present invention is not limited to this, and other kit configurations may be used. Further, the number of electrode configurations of the circuit card 20 and the learning base 30 is not limited to the above embodiment, and may be a configuration with more electrode arrangements. In short, various modifications and changes can be made without departing from the scope of the present invention.

  DESCRIPTION OF SYMBOLS 10 (10a, 10b, 10c) ... Electronic part unit, 11 ... External connection electrode, 12 ... Pin socket, 20 ... Circuit card, 20a ... Wiring pattern formation surface, 30 ... Learning base, 30a ... Card mounting part, 30b ... Pen holding part, 50 ... Power supply part, 60 ... Load part, Ag ... Conductive ink pen, g ... Electrode placement guide mark, Mg ... Permanent magnet, CC ... Connection cable, Pn (P1, P2, P3, ...) ... Circuit parts , PT ... wiring pattern, TB ... small substrate, 71 ... pattern sheet, 71c ... sticking seal, 72 ... conductive pattern, 73 ... land, 73h ... component lead insertion hole, 74 ... opening (pattern cutting guide), 81 ... Universal board (practical circuit board), 82... Pattern placement guide mark, 83 .. component lead insertion hole.

Claims (5)

It is composed of a small-sized board having a conductive pattern and a component mounting surface, a plurality of electrode mounting portions provided on the small-sized board at intervals, and a rod-shaped conductive magnetic metal, and one end is connected to the conductive pattern. An electronic part unit comprising a plurality of external connection electrodes fixed to the electrode mounting portion in a state where the other end protrudes in the thickness direction of the small substrate,
A circuit component mounted on the component mounting surface and conductively connected to the conductive pattern;
A learning base having a plurality of permanent magnets arranged vertically and horizontally with the interval between the external connection electrodes as a reference pitch;
An electrode arrangement guide mark having the same arrangement as each permanent magnet arrangement, a wiring guide mark extending over the adjacent electrode arrangement guide mark, and a wiring pattern forming surface on which the wiring pattern is drawn are provided. A circuit card placed in a state where the wiring pattern forming surface is exposed on the learning base;
Comprising
With respect to the circuit card on the learning base, a plurality of the electronic part units are placed on the circuit card, and the circuit component and the wiring pattern are in a state where the external connection electrode is attracted to the permanent magnet. An electronic device learning apparatus, wherein a circuit connection is made and an electronic circuit is formed on the learning base.   The electronic part unit has a pin socket joined to the lead in a state where the lead of the circuit component is inserted, and the circuit component is mounted on the component mounting surface via the pin socket. The electronic device learning apparatus according to claim 1.   The learning base includes a card placement unit on which the circuit card is placed with the wiring pattern forming surface exposed, and a pen holding unit that holds a conductive ink pen used for drawing the wiring pattern, The electronic device learning apparatus according to claim 1, wherein the wiring pattern is drawn on the wiring pattern forming surface of the circuit card placed on the card placement unit by a conductive ink pen. A pattern sheet that has a hole land corresponding to the electrode arrangement guide mark, and a conductive pattern corresponding to the wiring guide mark that is conductively connected to the land, and enables cutting along the conductive pattern;
A universal substrate having a component lead insertion hole of the same arrangement as the land, and the pattern sheet cut along the conductive pattern is attached to one surface as a pattern seal;
The electronic device learning apparatus according to claim 1, further comprising:   The universal board is constituted by a rigid board in which one side is a component mounting surface and the other side is a pattern forming surface to which the pattern seal is attached, and a component lead insertion hole corresponding to the land is arranged on the plate surface. The pattern sheet is configured by an adhesive seal member in which the conductive pattern is arranged in a lattice pattern, and a quadrangular surface portion surrounded by the conductive pattern is opened to form a pattern cutting guide. 4. The electronic device learning apparatus according to 4.

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