![My raspberry pi 4 broke :(. Anyone know what part this is? I think it's a diode : r/RASPBERRY_PI_PROJECTS My raspberry pi 4 broke :(. Anyone know what part this is? I think it's a diode : r/RASPBERRY_PI_PROJECTS](https://preview.redd.it/k7bcd4e1hm491.jpg?width=640&crop=smart&auto=webp&s=1ebf487b068a2e76bb29c75d3a59aec677eca919)
My raspberry pi 4 broke :(. Anyone know what part this is? I think it's a diode : r/RASPBERRY_PI_PROJECTS
![Amazon.com: Waveshare 2-Channel Isolated RS232 Expansion HAT for Raspberry Pi SC16IS752+SP3232 with Protection Circuits Power Supply Isolation ADI Magnetical Isolation and TVS Diode : Electronics Amazon.com: Waveshare 2-Channel Isolated RS232 Expansion HAT for Raspberry Pi SC16IS752+SP3232 with Protection Circuits Power Supply Isolation ADI Magnetical Isolation and TVS Diode : Electronics](https://m.media-amazon.com/images/I/61iePRYv32L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Waveshare 2-Channel Isolated RS232 Expansion HAT for Raspberry Pi SC16IS752+SP3232 with Protection Circuits Power Supply Isolation ADI Magnetical Isolation and TVS Diode : Electronics
![raspberry pi - How to protect GPIO from back current? Diode? - Electrical Engineering Stack Exchange raspberry pi - How to protect GPIO from back current? Diode? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/5OeBP.png)