Open-source firmware for TJ-56-654 ESP8266 weather clock (ESP-01S + OLED). Fixes WiFi password leak in original firmware. NTP time, Open-Meteo weather, OTA updates, web UI.

Smart Relay is a firmware for ESP8266 (ESP-01 / ESP-01S) that provides remote relay and GPIO control via an HTTPS API.

Temperature, humidity and air pressure sensor with blazing fast ESP-Now communication.

Smart Socket – ESP8266-based IoT relay socket. Connects to Wi-Fi via WiFiManager, polls a server for ON/OFF commands, and controls a relay.

Midea-Vivax Controller

A complete end-to-end IoT smart home automation project featuring an ATmega8A AC controller, an ESP-01S Wi-Fi gateway, and a cross-platform Flutter mobile app.

DIY Digital Temperature and Humidity Sensor AM2301A for Home Assistant (esphome)

4 Relay controller with Arduino Uno and ESP-01S