See your home's energy flow live
WLED with the HomeWizard P1 usermod: purple pulses when you draw from the grid, green when your solar exports, calm white when balanced — speed follows the wattage.
Install from your browser
- Connect your ESP32 board to this computer with a USB data cable
- Click Install, pick the serial port, and wait ~2 minutes
- When prompted, enter your WiFi credentials — they're sent over the cable, no hotspot dance needed
Works with classic ESP32 and ESP32-C3 boards (e.g. Seeed XIAO ESP32-C3) — the right firmware is picked automatically. Chrome or Edge on desktop required.
Then, three small steps
- In the HomeWizard Energy app, enable the Local API for your P1 meter (Settings → Meters → your P1 meter → Local API)
- Open your new WLED device, set your LED count under Config → LED Preferences — the P1 meter is discovered automatically
- Select the Grid Flow effect on your segment, and save it as a boot preset
What you need
- A HomeWizard P1 meter on the same WiFi network
- An ESP32 or ESP32-C3 board and a WS2812-class LED strip (with an adequate 5 V supply)
Built from stephancar/WLEDP1 (WLED main + the HomeWizard P1 usermod, PR #5719). Firmware is unmodified WLED with one usermod added — all normal WLED features included.