The front of the FLIP_C3 shown at an angle on a transparent background. Clearly seen is the ESP32-C3-Mini-1 module, a two position spring release connector, and a USB-C connector.


Shipping Now

up to 5v2a from 50+vdc

The only ESP32 with a built-in DC buck converter! Easy deploy on up to +50vdc battery systems. Shipped with ESPHome.
The very first working prototype of the PwrTool 500. It is a brass shunt with bolts and a circuit board and a few black 3d printed parts.

PwrTool 500

Beta Units Available

A 500-Amp shunt for battery powered Home Assistant instances from 12-48v.Pre-loaded ESPHome firmware allows quick deployment and unencumbered hackability.

Hardware and software is close to being locked in. Order a beta unit at near cost to help with development.