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Topic: esp8266 disconnect (Read 309 times) previous topic - next topic

superme55557

i'm not good at English so sorry

now i have some problem

i want to use one power DC12V to supply arduino nano and my Electric gun

something like this 12V->Electric gun ->relay---------------------------
                                  ->LM2575-5   ->arduino nano ->relay<-------
                                                       ->AMS1117-3.3->esp8266

i use C# program socket connect with esp8266 and send data to nano to control relay

i have already in parallel Diode(1N4007) between Electric gun to offset back emf

it's fine without Electric gun but when i connect it and will make wrong

hope someone can help me or give me some suggest


Thank first .Frank

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