Beginners - IotCircuitHub

ESP32 RTC Timer Relay | DS3231 Weekly Timer + Web Dashboard (No WiFi)

Build an ESP32 RTC Timer Relay Switch with DS3231, OLED, and Web Dashboard. Works offline with weekly timer and mobile control.

Build an ESP32 Google Sheets Home Automation system using Apps Script. Control relays remotely, create a dashboard, and compare Firebase.

Build an ESP32-CAM WiFi Camera with Google Drive. Capture photos remotely, control flash, and create a FREE cloud camera step-by-step.

Google Sheets and Google Apps Script provide a very simple cloud backend for ESP32 IoT projects. Instead of using Firebase,…

Build an ESP32 indoor plant watering system with deep sleep & 12V battery. Automatic irrigation for vacation with smart moisture control.

Here we will use the WLED web installer to upload the firmware. First, connect the ESP32 or ESP8266 to the…

Build ESP32 smart plant watering system with ESP RainMaker, automatic irrigation, soil moisture monitoring, and Google & Alexa control.

Make DIY NodeMCU ESP8266 Tasmota Alexa Smart Plug using a Free, no-code IoT platform that is perfect for beginners. (with Circuit)

Learn step by step how to install Tasmota on ESP8266 device, configure WiFi, and access the Tasmota web interface. (without programming)

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

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

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