If you want a device that could measure your heart beat and plot its curve trace on an OLED display, then this will be your best guide.

Building an RFIDD access control system.

One port to role them all.

Make your own Arduino coin eater/bank. A DIY Arduino idea.

This is a very simple way to control a 3-phase AC installation in a delta configuration.

But why?

Stream and analyze live data from your Arduino microcontroller into Excel with the Data Streamer add-in!

Simple, easy to build 2 x 14 bars stereo VU meter for representing audio level.

Two-wheel auto gear ENGINE is KILLED (off) when the sensor detects a child accelerate the vehicle or a vehicle falls down to avoid accident.

The Arduino clock that says it as it sees it.

I bought a pair of KY008 laser modules and a matching sensor, and I knew I had to make some cool project with it.

Build a simple 3-axis joystick!

A chain reaction machine using micro:bit, Lego EV3, Arduino, Raspberry Pi, a light sensor, a color sensor, a moisture sensor, etc.

A simple method to notify a problem is to use email, It’s very usefully and simple to share, so I created a library to do it.

With this simple Arduino project, you can servo motor using a remote control.

Use a LiDAR-Lite module to measure distance with better accuracy, precision, and range.

Hey guys! Here is a new tutorial to teach you how to make a digital clock based on the LIXIE display technology using an Arduino board.

This project will show you how to use an MQ-2 gas sensor.

In this tutorial, I'll show you how to use a wireless PlayStation 2 (PS2) controller and an Arduino Uno pilot a robotic tank.

Library to use I2C PCF8575 IC with Arduino and ESP8266. This IC can control until 16 digital devices like button or LED with only two pins.

A home security application, providing surveillance of the front door and the kitchen.

Nano 33 Sense BLE is loaded with environment monitoring sensors whose data can stream over using Bluetooth or WiFi communication protocols.

A simple sensor to measure conductivity changes in water and other materials!

This is our new Bluetooth RC car - based on our favorite Arduino Uno!