A cheap beam break sensor utilising a reflector panel instead of a transmitter / receiver setup. Capable of handling long distances.

Smarter Home Energy Use with Open Source and Cheap Sensors.

As a free flying paragliding pilot, I have finally built my own simple but effective instrument that plays beep-beep during climb and so on.

Life Band monitors the health conditions of elderly up to date and provide immediate medical assistance if necessary.

The ultimate upgrade to your hat.

FreeRTOS, simple, easy, robust, and optimised for Arduino IDE. Using FreeRTOS Semaphores to share and protect physical resources.

Arduino based 5" LCD touchscreen weather station with remote sensor unit.

Smartwatch that shows notifications from an iPhone and automatically synchronize the time.

How to turn your RC Car into a Bluetooth controlled RC Car.

Good vision is a precious gift but unfortunately loss of vision is becoming common now-a-days. Smart cap can help with navigation.

In this project, I will show you how we can use a 3€ IR distance sensor to build a proper DIY tachometer that functions properly.

Gizmo to measure the running speed of the shutter on a film camera

Use FreeRTOS (simple, easy, robust, & optimised for the Arduino IDE) to reduce the power required for battery or low power applications.

A big and heavy alarm clock made from an old tea can, a big red button and a few other parts.

How to upgrade the BadgerStick Arduino board by SparkFun, if you got one at SXSW 2015

We all love playing with RC toy cars. In this mini project let's create an RC toy car using a bunch of wheels, motors, Arduino & nRF24L01.

A Google Assistant compatible box for kids (from 2 years old) to control lights and other devices in their room.

At the core of any time-lapse rig is the controller – an “intervalometer." This one delivers all the functionality of units costing many $k.

Here I show how to take apart an old PlayStation analog stick, show what it's comprised of, and how to make it work with an Arduino!

Make your own motor driver shield PCB for an Arduino Pro Mini using an Arduino Pro Mini.

An adequate tool to keep in your First aid kit.

I modified the "MEMIDION" MIDI slide whistle.

A Keurig coffee maker controlled by a Node Lua ESP 8266 , Cayenne myDevices, Arduino Pro Mini and a stepper motor with driver.

Another plant watering system, now with a light sensor, 4 LEDs, silent pumps, and memory.