ESP32 - IotCircuitHub

ESP32 Web Server + ESP-NOW Relay control with OLED status

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

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

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

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

Make Automatic Plant Watering project using ESP32 Web Server and soil moisture sensor. With OLED display & web interface for remote control.

Ultrasonic water level indicator using an ESP32, and Arduino IoT Cloud platform. Explained with circuit, source code and used all FREE tools.

In this ESP32 Web Server tutorial, we’ll guide you through building a Wi-Fi-controlled relay system using the ESP32. The ESP32…

ESP32 Smart Home IoT project to control 4 relays & monitor room temperature using Arduino Cloud, Alexa, IR remote, and switches. Circuit + Code.

Control multiple relays with ESP32 Matter protocol using ESP ZeroCode platform. Generate the firmware without writing a single line of code.

Make ESP32 DS3231 RTC timer control relay with OLED clock. You can set the ON/OFF time for the relay using the ESP32 access point.

Make an ESP32 internal RTC timer control relay without any external RTC module. It uses NTP server to fetch the time. (Circuit + Code)

Make IoT-based ESP32 project using Google Assistant, Amazon Alexa, & Sinric to control relays. Explained Circuit + Source Code.