ESP32 - IotCircuitHub

Build an ESP32 Home Automation with Web Server & EEPROM

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 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.

Preferences Library replaces the EEPROM library. Power failures or Resets do not affect the data held in flash memory. Step by Step Tutorial.

Get started with Matter Protocol using the ESP ZeroCode platform and ESP32. Control an LED strip with Alexa using Matter. No CODE required.