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Wireless remote control car. Motors turn on upon connecting batteries to the circuit (Reciver), while remote controller (Transmitter) turned off (Not connected any batteries). Not a slightest clue of what to do in this situation, any help would be greatly appreciated.

Hello. I'm making a voltimeter-amperemeter using an atMEGA328P, L7805, LM358, LCD 16x2 and some other components. The problem is that even though the LCD turns on, it doesn't show the code or at least the white squares it should, and when I move the potentiometer that goes with it it doesn't...

Hello everyone, first thread here, I have cracked open a Dell XPS13 9350 that I've diagnosed the motherboard being dead. It's my mothers old laptop. I figured this would be a good chance to learn more about the micro parts on a board. Upon taking it apart, I found some blown inductors (atleast...