Firmware Guide for P1MeterKit 
Recommended: Install or update stock firmware via our flasher: https://smarthomeshop.io/en/firmware?product=p1meterkit
This page explains how to (re)install the firmware for your P1MeterKit. This device is Wi‑Fi only.
Flashing Methods 
1) Adopt in ESPHome (OTA preferred) 
- Open ESPHome in Home Assistant.
 - Use Adopt to add the P1MeterKit.
 - Then either: 
- Make changes to the YAML and click Update to deploy OTA, or
 - Simply click Update on the adopted device to reinstall the current configuration.
 
 
2) Flash via USB‑C (alternative) 
- Connect the P1MeterKit to your computer with a USB‑C cable.
 - Download the 
.binfrom our GitHub repository: p1meterkit/bin- Choose the Wi‑Fi image (e.g. 
p1meterkit-software*.bin). 
 - Choose the Wi‑Fi image (e.g. 
 - Use the web flasher to upload the firmware: ESPHome Web Flasher
 - Follow the on‑screen steps until install completes.
 
Note: Flashing resets settings, and you may need to re‑adopt the device in Home Assistant.