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  • Edward's Avatar
    08-19-2019, 12:43 PM
    I'd ask about the power supply you're using, and what that has built into it. From the sounds of it, we're trying to protect against user error, where you (or someone else!) sets the power supply to the wrong voltage....
    8 replies | 723 view(s)
  • Edward's Avatar
    08-08-2019, 07:12 PM
    You shouldn't really start a new thread in a different category, presumably because you weren't happy with the previous thread. This definitely belongs in the project guidance section (and is very welcome there), and...
    13 replies | 186 view(s)
  • Edward's Avatar
    08-08-2019, 05:44 PM
    Edward replied to a thread Car Speed Sensor in Project Guidance
    The issue could be with what kind of output your sensor has, I'd note in the project linked the sensor output is connected to +5V with a pull-up indicating that it's an open-collector output. is your sensor the...
    2 replies | 224 view(s)
  • Edward's Avatar
    08-08-2019, 05:25 PM
    In general, a big capacitor should be placed by the source (regulator) and a smaller one(s) by the load(s) (ESP/Teensy). Read the regulator datasheet, and it should say if it needs any external capacitance, and if has...
    1 replies | 78 view(s)
  • Edward's Avatar
    08-08-2019, 05:13 PM
    Hey Rotario, I never got to the bottom of this one sadly. I ended up spoofing the behaviour using another hardware timer to check a boolean value, and if it hadn't been reset it performed my ISR and then reset the...
    4 replies | 124 view(s)
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5V overvoltage protection for high power device howto? 08-19-2019 12:43 PM
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