blog.petrockblock.com
Our Boards Compatibility with the Raspberry Pi 4 - PetRockBlock
The Raspberry Pi 4 was recently released. This post is about our boards and their compatibility with the Raspberry Pi 4. Are our extension boards like the PowerBlock or the ControlBlock still compatible with it? The short answer is "yes, with an additional 10K (pull-down) resistor that you can easily add".