guidance

  1. N

    Need help with mainboard for AXIS PTZ-camera.

    Hello, Long story short.... I got this faulty mainboard for an AXIS PTZ-camera. It's POE only, and it seems to be something wrong with that portion of the mainboard. The injector turns on and of in half second intervals and this according to the manual suggests short circuit in the receiving...
  2. K

    I use the STON display module. But I cannot communicate with the module using UART

    hello I use the STON display module. from: https://www.stoneitech.com/product/by-application/industrial-type/stvi070wt-01.html But I cannot communicate with the module using UART. I tried different serial port applications like SSCOM, RealTERM, SerialPlot but nothing changed. When I sent this...
  3. W

    Need guidance on this homework problem

    I have a problem in my ET212 class that I truly have no idea on where to start, I have the circuit design, but am clueless when it comes to the values that I need to use. I am not asking for answers, mainly just guidance on where I am supposed to start, or the steps i need to do to find my...
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