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

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.

Send your Arduino to collect data from the edge of space!!

You'll learn how to create an automation system to communicate 3 Arduinos via RS485.

Admit it, you always wanted to play around with a breath controller but couldn't justify the expense. Well, you have no excuse now.

Man and machine working together to create art.

A TensorFlow Lite Micro Speech model that detects wake words and turns on a different coloured LED light to emulate traffic lights.

CovidTestDrone enables self-administered COVID-19 tests to be delivered within minutes to patient’s homes via drone delivery.

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

This is a simple square-wave generator that basically uses the TimerOne library allow you to generate a PWM signal at pin 9.

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.

Magnetic levitation of an 11 cm (4.3") illuminated globe, rotating at a constant speed and nicely fitted inside a wooden lantern.

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

Using a gyroscope and NeoPixel LEDs, the system simulates a ball rolling inside a torus.

Not enough fingers to play clarinet? With this project you can delegate solenoids to push two side-keys. Awkward fingerings whaaat?

3-channel voltmeter with the ability to measure both negative & positive voltages on the same circuit or 3 different circuits simultaneously

Easily display custom animated glyphs on 16x2 LCD using the createChar() function from the LiquidCrystal library.

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.

There are numerous examples of how to connect button switches via an external interrupt. This example offers an alternative approach.