Smart Home - IotCircuitHub

ESP8266 NodeMCU Blynk IoT DIY Smart Plug

Build DIY Smart Plug using ESP8266 NodeMCU & Blynk IoT. Control relays via mobile app & manual switches with EEPROM. (Circuit + Code)

Make FREE IoT project using ESP01 ESP8266 that allows you to control a relay using Alexa, Google Assistant, Sinric Pro, & manual switch.

Build an ESP32 Fan Speed Control system using AC dimmer circuit with ESP RainMaker, Alexa, Google Home, IR remote, or manual switches.

Build an IoT-based ESP32 Smart LED Dimmer that works with ESP RainMaker, Alexa, Google Home, IR remote and push buttons. (FREE tools)

How to make ESP32 PWM LED dimmer with voice control using Alexa. Also without the internet control the brightness with the potentiometer.

Build an IoT-based Plant Monitoring System using ESP32 and a Capacitive Soil Moisture Sensor. Explained the Circuit and Source codes.

IoT Home Automation using ESP32 Firebase Realtime Database with Web Dashboard and manual relay control via switches or buttons.

Control 4 relays via ESP-NOW with Web Interface, OLED feedback, and manual buttons. A compact, real-time ESP-NOW home automation project.

ESP8266 Firebase IoT project for smart home relay control with manual switch, EEPROM memory, and real-time web sync. (Circuit + Code)

Build an ESP32 home automation system with Web control, manual switches, EEPROM relay memory, and real-time status dashboard.

In this ESP32 ESPNOW project, Master sends control signals to the Slave, while receiving real-time relay feedback displayed on an OLED screen.

Make simple IoT project using the ESP01 Arduino Cloud control relay with FREE tools. Explained Circuit & Source Code.