Open Source Projects
Hardware kits and open-source firmware for AC power control — built with the community, for the community.
ACRouter — Smart AC Power Router
An open-source solar energy diverter and AC load controller built on RBDimmer hardware. Inspired by the DIY solar router community — redesigned with extended capabilities, remote control, and Home Assistant integration.
- ✓ Solar energy diversion — send excess PV power to water heater or load
- ✓ Home Assistant integration via MQTT or ESPHome
- ✓ Open-source firmware — ESP32-based, fully customisable
- ✓ Available as a ready hardware kit
ESP32
Core controller
AC
Dimmer-based control
OSS
Open source
MQTT
Home Assistant ready
Project Gallery
Open-source builds using RBDimmer hardware. Full documentation, schematics, and code for each.
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LiveACRouter — Solar Router
Smart AC power router for solar energy diversion. ESP32 + RBDimmer + Home Assistant.
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Coming SoonReflow Oven Controller
Precise temperature control for PCB soldering. Customisable reflow profiles, ESPHome-ready.
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Coming SoonCoffee Roaster
DIY drum roaster with 4-channel AC dimmer control and real-time temperature curves.
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Coming SoonFloor Heating Control
Smart thermostat replacement with zone control and Home Assistant integration.
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Coming SoonKiln Temperature Control
PID-based AC temperature controller for kilns, incubators, and industrial heating systems.
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