Arm controller — getting the ESP32 into the pipeline before the arm is assembled

The EB300 arm is printing. Motors and hardware arrived today. Rather than wait for assembly, tonight’s session wrote the full 6-axis ESP32 stepper firmware, the ROS 2 bridge node, a tkinter GUI controller, and a complete motor test guide — so the moment the first print finishes, there’s a validated pipeline ready to wire into.

May 21, 2026 · 8 min · Nic

IWR6843AOPEVM arrived — bringup notes and the mmWave Studio trap

EVM in hand, USB detection working immediately. mmWave Studio looked like the obvious next step. It was a trap — the AOP standalone board can’t connect. UniFlash is the right tool.

April 21, 2026 · 2 min · Nic