This is old scheme from Elektor, decade year ago i built this one. I think right this time the price about 150.000 rupiah (indonesia). but i want try to bulid cause curiosity and able to modif in any form, perhaps Microcontroller.
(image source from Elektor 1988)
Prototype
can you see Small enough in my hand ? cute..isn't?.
Where is the layout PCB ?
psst.... I'm too lazy to create the design (using Eagle?) honesty i don't create from Printed circuit but use any wire (eks resistor or capasistor wire) to jump arround the pin. is that double layer ? must be or may be. I use ordinary cable jump arround over the lazy wire to avoid contact with first layer :)
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