Freenove makes a few different Raspberry Pi-powered kits and another one worth considering is the Big Hexapod Robot. Wheels ...
InnoSwitch3-EP family of off-line CV/CC QR flyback switcher ICs now feature 900 V PowiGaN switches.
and it looks like it is a natural fit for a robot arm. According to [angrymop], the Raspberry Pi can read the mouse’s commands via /dev/hidraw (that’s the raw human interface device).