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Hi guys, Thanks for all the advice. I'm not really in a rack mount environment and don't have room to install the Mean Well - good recommendation, may end up using that device in the future. I'll also look to protect Teensy GPIO with series resistors like that. Cheers, Jason

Hi Mark, Thanks for taking the time to respond to my question and offering your advice, its much appreciated. I don't have common mode chokes installed on the CAN bus. I read a TI application note that spoke of potential issues with high voltage spikes can be generated that can damage the CAN...

Hi, We've got about 20 x Teensy 4.1 in daily active use in an automotive/24v environment (industrial mobile plant). Each Teensy is connected to the 24v vehicle supply via a OKI-78SR 5V and decoupling capacitors. Both CAN interfaces are connected via 2 SN65HVD230D drivers. We're seeing some...