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I got to the bottom of this. The voltage reg I'm using has a 2ms soft start, but also a Power Good pin. I connected PG to Teensy's RST pin, and that appears to have solved it. I also tried powering the SN65 using a digital output pin (I know, not smart) but that also made the boot problem...

Hi, I'll disclaim this by saying I'm a very green when it comes to electronics, know enough to be dangerous, that's about it. With that said, let me explain a little bit about my project. I'm working with automotive electronics and CAN bus, I'm using an ECU Master PMU-16...

Did you have a play around with the other transceiver board? I get very odd behaviour when not using a Waveshare board too. Similar projects fwiw, mine is a dash display for a DTA ECU. My experience is repeated data packets, rather than all of them. I get this with waveshare knock-offs as well...

Thanks for the reply. My Waveshare CAN Transceiver arrived in the post today, and I can confirm that this has fixed my problem.

I have a 5v step down board which I've used to power the entire project meaning everything is ground to a single source now. I am still only receiving the first Data block (2000) but now, me touching the TX and RX wires doesn't cause more data blocks to be received. Colour me confused!

Hi, This could be something daft, it likely is.. I'm fairly new to this stuff. I have a car ECU powered by my bench PSU, this provides a CAN stream at 1mbd which I am successfully receiving via a Waveshare SN65HVD230 (Chinese copy, I have an original Waveshare product en-route from Amazon)...

Hi everyone, I've tried my best to read into this, but am so far failing to find an answer to one of my questions, let me try and explain. I am a car enthusiast, and have just purchased an ECU which is able to send a CAN Stream...