damage

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  1. S

    Thoughts on what might cause n-channel MOSFET failure with a floating drain?

    Yesterday I damaged a MOSFET I'm using in a simple control circuit, but it failed in a strange way and I'm trying to figure out what might have caused the failure and how I might prevent it in the future. The MOSFET is controlling a 5v sensor by switching the low side of the power for the...
  2. I

    Ideas for Arduino Pin Protection - Static Shock

    As the title suggests, I'm looking for some methods that would best work on helping to protect an Arduino (Due more specifically) from being damaged from static shocks. About the setup: I have an Arduino Due in a chair which is connected to many external devices using up about 14 different...
  3. E

    protect PCB board from moisture

    I am using one PCB board in the machine which comes in contact with moisture. I want to protect that board from moisture and getting damage because of it. What are all the preventive options available?
  4. dignificent

    New Test Points 5199TR (PURPLE) from Keystone Electronics are cracking and falling off after reflow

    It's weird that primarily 50% of the time the purple test point is the only color to have this issue, why purple? Part> https://www.mouser.com/datasheet/2/215/Keystone_Electronics_04082019_5190TR-5199TR-1551357.pdf
  5. danielzuliani

    Weird issue in toy circuit

    Hi, I'm new in the forum and I don't know much about circuit but I have a problem and would like your insights! I have this toy called B Symphony. Is a great music toy, you can google it and take a look. The point is it got wet and the main circuit suffered some damage. I cleaned it but know I'm...
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