We are finally able to get some parts to make CAN Bus Feathers & PiCowbells – here’s us squishing all the parts into a skinny ‘bell layout. There’s a STEMMA QT I2C port on the left (we find these so handy!) and then a reset button too. An MCP2515 in TSSOP-20 over SPI provides the CAN Bus interface – its a very well supported chipset – and a TJA1051T/3 with 5V miniboost for the CAN signal output which is on the 3.5mm terminal block on the right. There’s an implementation of a CAN peripheral in PIO as well, but we’re going to start with this tried-and-true converter chip!
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