The CAN bus library currently (as of Sep 2025) included with the Arduino core for the Renesas R4 boards has a serious deficiency: it does not support remote transfer request (RTR) frames. This library ...

I'm converting a classic Mini to electric and as a way to save a few thousand bucks, I'm hoping to build a box that can adapt the Nissan Leaf parts to a "normal" system of 12v switches. Specifically ...

Our lunabot uses paired linear actuators (left/right lift, left/right tilt) driven by REV SparkMax controllers over CAN bus. During excavation and depositing, the actuators drift out of sync, causing ...