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DIY electronic designer





Recently on sale a lot electronic designers of various firms. These are designers for assembling a certain device, and for those who want to try their hand at working with Arduino, and general designers for assembling various circuits. The prices of such products are basically several thousand rubles. But why not make such a designer yourself, and even involve a child in this work?

The electronic designer, the manufacture of which we will consider in this article, costs a penny, according to the master, one socket costs about 10 cents.

By the way, with the help of such a constructor, you can check the performance of many circuits. The assembly takes little time, there are no wires sticking out, like on a breadboard, and copper contacts are pressed tightly against each other with the help of neodymium magnets.

Tools and materials:
-Neodymium magnets;
-Copper tape with an adhesive layer;
-Three-layer cardboard;
-Battery holder;
-LEDs;
-Resistors;
-Capacitors;
-Transistors;
- Light-dependent resistor;
-Speaker;
-Buttons;
-Potentiometer;
--Scissors;
-Soldering accessories;
-Red and blue markers;
-Tweezers;

Electronic components can be supplemented according to needs.

Step One: Minimum Set
The minimum set of electronic designer are the following details:
4 straight connectors
4 corners
2 T-joints
1 battery pack
2 LEDs (green and red)
4 resistors (100 Ohm, 220 Ohm, 10 kOhm, 22 kOhm)
1 potentiometer (10 kOhm)
1 LDR (Light Dependent Resistor)
1 NPN transistor (e.g. 2n3904)
1 electrolytic capacitor 100 uF
1 button
1 touch pad
The minimum set consists of 23 blocks and it needs 100 neodymium magnets.
Below are 11 circuits assembled using this kit.











Step Two: Magnet Poles
As we know from physics lessons, magnets have two poles, and are attracted to each other, by different poles. Neodymium magnets do not have pole markings, and the master labels them himself.To do this, he collects magnets in one strip and hangs on a thread. The side pointing north will be marked with a red marker and the one pointing south with a blue marker.


Step Three: Blocks
A sheet of cardboard needs to be drawn into squares 2.5 X 2.5 centimeters, several rectangles 2.5 cm X 5.2 cm and 5.2 cm X 6.4 cm. Then you need to cut according to the markup.


Step Four: Magnets and Copper Tape
Now you need to cut the tape in size.
Block of connectors: 4 magnets, ribbon 5 cm. Long block of connectors: 4 magnets, ribbon 8 cm. Corner block: 4 magnets, 2 pieces of ribbon 3 cm each. T-shaped connection: 6 magnets, 1 piece of ribbon 3 cm, 1 piece 5 cm tape. Cross connection: 8 magnets, 2 pieces of tape 1.5 cm, 1 piece of tape 5 cm, 2-pin component: 4 magnets, 2 pieces of tape 2 cm, 3-pin component: 6 magnets, 3 pieces of tape 2 cm.

Group magnets in pairs, where each pair has one blue and one red side at the top. Remove the paper from the copper tape and stick it on the magnets, backing off about 5 mm from the bottom edge of the tape. Stick the tape on the cardboard square so that the magnets are on the side of the block. Orient the magnets as follows: clockwise, one side is blue-red, the second side is blue-red, etc. This construction ensures that no matter how blocks are deployed, the magnets will be in contact with different poles.








Step Five: Soldering
Corner and T-shaped blocks at the intersection of copper tape must be soldered.


Step Six: Electrical Components
Using a needle, punch small holes in places where the findings of parts will be soldered. Cut the wires or legs to the desired length. Insert the legs into the holes and solder. For resistors and capacitors, write the value on the block. Indicate with symbols and colors other properties of the components, for example, the polarity of LEDs, etc.











All is ready. If you add more electronic components, then you can collect more complex circuits.

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9 comments
R555
Lack of connecting wires that confuse the understanding of the circuit being assembled.
The question is not so clear! The age of the game of cubes, the age of the collection of designers and the age of the collection of circuits are all different age categories! I think it’s more correct to immediately understand that the concept, layout and installation are slightly different things ... scratch
pogranec
it often leads to obscure spaghetti
Inspired by:
Haiku: “A jade rod in the hands of a samurai is like a sitar ...” In the original: "In skillful hands and to hell - balalaika!"
xaxa
Guest Boris
There was such a designer in the 70s. It was called "Electronic Cubes." cubic plastic modules with designations on top and elements inside were inserted into a plastic box with flat springs around the perimeter. KPI, variable resistor and place under Krona. Yes, there was also a module with a magnetic antenna, with an earpiece on the wire and with a telegraph key. Book with diagrams. A lot of things can be done to the Soviet child on two germanium transistors.
filkar2005, just the use of square components is more convenient and more correct. The child will learn to read and understand the circuit diagrams and correctly assemble them. On the circuits, you rarely see wires going not at right angles.
The advantage of this designer is the ability to add new elements as the child learns the designer, which can not be said about most purchased designers with their standard set. Lack of connecting wires that confuse the understanding of the circuit being assembled.
The disadvantage is poor design, which, however, is removable. Cardboard “squares” can be replaced, for example, with cut out of plywood or plastic. It is also advisable to add a power switch.
Guest Gregory
Understood nothing.What is all this for? And what about the author with the Russian language? Why can't he write correctly?
Author
If I understand correctly, the functionality of a homemade product is limited to a set of manufactured elements?
-right true, but
Layout is a popular option, but it often leads to obscure spaghetti that are not like the original layout and that are hard to debug.
- this is from copyright
If I understand correctly, the functionality of a homemade product is limited to a set of manufactured elements?
Breadboard PCB 830, breadboard for prototyping electrical circuits 190 rub.
scratch
Look at the device of the constructor "Expert". Can be made similar to neodymium magnets. And so sloppy - it could be painted, it will be more pleasant. And it is inconvenient to assemble circuits with square components.

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