KMSwitch — isolated dual-RP2040 keyboard/mouse switch
GitHub
A two-PC keyboard/mouse switch that uses two RP2040 MCUs, galvanically isolated by a CA-IS3721 digital isolator. · MCU-A acts as the USB host via PIO-USB and routes HID reports to…
Insights: A clear worked example of USB host plus device on the RP2040 with isolated MCU-to-MCU communication. · Comparing the module-carrier and chip-down versions of the same circuit…
RP2040USB HIDKVM