
Human Presence Sensor Using ESP32 & C4002 | Motion Detection
Build an ESP32 human presence sensor using the DFRobot C4002 mmWave radar. Detect motion & static presence to automate fan, and lights.

Build an ESP32 human presence sensor using the DFRobot C4002 mmWave radar. Detect motion & static presence to automate fan, and lights.

Build an ESP32 smart door lock that works offline with virtual keys, mobile-friendly web dashboard, 12V solenoid lock, no router or internet required.

Build ESP32 home automation with one universal ESP RainMaker code for 1, 2, 4, and 8-channel relay modules. Explore wiring, features, and setup

Build ESP32 RTC Timer with DS3231 & Firebase. Learn remote relay control, RTC scheduling, database setup, and web dashboard integration

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 cloud-based ESP32 & ESP8266 Firebase Home Automation using Realtime Database & Free Hosting. Control multiple rooms with timers.

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

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

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.