1. Tomarnes

    Help - Is this PCB board burnt?

    Hi Got asked by a friend to try and fix this «speaker» but for me it looks like the circuit is burned. Is that true? I also have no experience in fixing and soldering a pcb board, so should i just throw it away? Thanks for your time!
  2. Playdric

    ESP8266 battery power supply

    Hello all, First of all I'm a complete newbie about circuits and electronics. I recently bought a 3D printer and I saw this project on thingiverse. Quick sum up : LEDs (WS2812) lamp controlled by an ESP8266. The main issue is that the firmware of the ESP8266 provided to control the LEDs do...
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