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Showing posts from August, 2018

How to make 293D dual motor driver module at home

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Here I describe you how to make dual motor driver module for arduino ,Raspberry pi & other MCU usually we use this module to make Robot I use Home made PCB witch is drawn by marker Pen But you can use Laser Printer & toner transfer  method.     Parts List :- L 293D IC 100 mf/25v - 2pcs Resistor 220 ohm & 1K  terminal block - 2pcs male header pin  Copper clad board 4X5cm & ferric chloride  or PCb etching powder LED red & green Making PCB using marker pen-   Make hole using PCB drill                                            Draw this pattern on copper side using marker pen Now sink it in ferric chloride solution   If  you want to know more details please watch this video  Making PCB using laser printer :-  Save & Print this PCB layout on an A4 glossy photo paper using laser printer Use toner transfer method for PCB etching   Circuit diagram  All components & connection