DIY Mini Radar Kit: 1.8″ SPI TFT Display & Ultrasonic Scanning with Arduino Uno R3 Construct a standalone desktop radar scanner that shows nearby obstacles in real time on a colorful 1.8-inch TFT screen! This project uses an Arduino Uno…
Precision Dual-Button Servo Angle Controller with WeMos D1 R32 and SG90 Take charge of your automation and robotics projects with your hands! In this lesson, an SG90 micro servo motor will be controlled by a WeMos D1 R32 board, which…
Touch-Controlled 12V DC Fan with ESP32 and L298N Motor Driver Sleek capacitive touch controls can take the place of mechanical buttons! In this project, an ESP32 employs its native capacitive touch sensing hardware (GPIO4) to construct a toggle switch that…
Ultrasonic Water Level Monitor: Real-Time Liquid Height Measurement with Arduino and I2C LCD Never again will a tank overflow or run out of water! In this project, an Arduino Uno measures the water level in a container non-invasively using an…
Funny Smoke Detector: Building a Coughing Smoke Alarm with Arduino Make a funny safety update to your room or workshop! In this entertaining do-it-yourself project, an Arduino Uno employs a smoke sensor to identify high smoke levels. A DFPlayer Mini…
RFID Voice-Guided Smart Door Lock System with Arduino Uno An automatic RFID door lock system that offers real-time voice instruction and visual feedback can improve your home’s security. This project, which is based on an Arduino Uno, RC522 RFID reader,…
Wireless Temperature and Humidity Monitoring with ESP-NOW: Automating a 12V DC Fan via ESP32 Discover how to use two ESP32 microcontrollers and the ESP-NOW protocol to create a peer-to-peer wireless climate monitoring and control system. A DHT22 sensor on a…
Biometric Access Control: DIY Arduino Fingerprint Scanner with LCD & LED Indicators Biometric security systems provide reliable access control by replacing traditional keys and passwords with unique physical traits. In this project, you will build a complete fingerprint verification system…
Non-Contact IR Temperature Monitoring & Remote LED Control via ESP32 & Bluetooth Do you need to manage an output indicator while wirelessly monitoring the temperature without making physical contact? When used with an ESP32, the MLX90614 Infrared (IR) Thermometer makes…
Building a Pocket-Sized Environment Monitor with ESP32-C3, DHT22 & 0.42″ OLED When building micro-DIY projects, finding the sweet spot between a tiny footprint and functional data display can be a fun challenge. In this project, we are building an ultra-compact…
