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 ...

A lot of great ICs use I2C to communicate, but debugging a non-working I2C setup can be opaque, especially if you’re just getting started with the protocol/bus. An I2C bus scanner can be a helpful ...

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 ...

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 ...