Ensure proper ventilation in your indoor space. Measure and log indoor air quality. Configure alerts in ThingSpeak to keep your air safe.

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!

Custom button powered via Arduino controls aftermarket exhaust flaps!

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

8 lines of code to setup and 1 line of code per variable for the Arduino, no programming on the PC side. USB-WiFi-Ethernet-Serial.

Turn a hot air popper popcorn machine into a high tech coffee roaster using a relay, 120V transformer, and thermocouple.

This stroboscope is a precise and versatile instrument which can be used to analyze periodic or fast motions.

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

Man and machine working together to create art.

This project was inspired from Naruto Manga/Anime. If the sequence of hand signs was correct, it unlocked solenoid door lock.

Start sequence to race, then show winner for Hot Wheels type cars. Displays total race time, both car speeds and winning difference in ms.

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.

Verilog quick learning. Feasibility model creation. Accurate logic volume estimation. I2C connection. Education purpose.

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.

I made an Arduino library allowing simple communication with uECG device using nRF24 module - minimal example takes just a few lines.

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.

Trying to bring the HK Tank from Terminator to life!

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