For use in DIY homebrew radio equipment such superheterodyne receivers, SDR, HAM QRP transceivers or RF generator.

Learn to build a pocket weather station that displays temperature and humidity using Arduino Nano!

TinyML implementation to identify running water tap sound and once heard one, a buzzer + LED timer is triggered.

Implementing switches can be troublesome. This article offers a solution for configuring many mixed type switches at the same time.

An easy to build simple weather station that connects to your smartphone via WiFi and Blynk.

A weather clock with RTC DS3231, 2 x weather sensor BME280, 20x4 LCD and brightness auto-adjust.

An example sketch that will read a simple toggle switch reliably, irrespective of the circuit design.

Turn an old organ console into a MIDI controller to use with desktop organ software like Hauptwerk or Grandorgue.

You'll learn how to create a display led to print message through Bluetooth.

Make your own DIY IR Remote and control some LEDs with it

Track your face using OpenCV's facial recognition.

An automatic pill dispenser aimed to ease the lives of the elderly and disabled persons.

A simple PCB keyboard that you can easily use for your Arduino project. Fully-customizable code provided!

Make your own quadruped robot with Arduino, 3D-printed, and Lego-compatible parts.

The Pulse Express board makes it simple to get the three vital parameters - SpO2, Heartrate and Blood Pressure trending (BPT).

Following the principle of the original Roulette, the movement of the LED simulates a ball whose speed gradually decreases until it stops.

This function performs FFT with very good speed while maintaining accuracy.

RGB Tube Lights made using Arduino Nano and WS2812B LEDs.

Sleek and simple infrared remote that turns on your audio receiver / home teatre when TV is powered on.

Pulse induction Metal Detector. It can detect a metal coin at a distance of 15 cm and a larger metal object at a distance of 40 cm and more.

I just always liked boxing machines! It is an interesting option for family meetings or competition among friends.

Lightshow created from a cylinder of 288 RGB LEDs.

This project is an all-in-one plug-and-play DIY PC unlock interface, that uses RFID card or fingerprint scan to log in/out your Windows PC.

Arduino based huge LED Mandala setup for your Christmas lights installation. Numerous Patterns, Audioreactive & much more.