An up to six digit number code that enables you to unlock a secret container.

The aim is to convert basic symbols that represent the 26 English letters as mentioned under American Sign Language script and display.

Displays your pulse rate, blood oxygen level and a moving graph of each heart beat, the photoplethysmogram (PPG).

Clouds meter <> establish the height of clouds through an IR measurement temperature of saturation.

Solar-powered, self-sustaining, touch-less soap and water dispenser to help wash hands in this era of COVID-19.

An automatic bell for school. Ring when you want using an Android app.

In a previous project I developed a GPS data logger for RC aircraft but I did not have feedback on the receiver. So I modified the prototype

Add sensors in a beehive to follow bees life.

Using Arduino to make a bicycle change gears depending on pedaling cadence.

Use Arduino Uno WiFi to access your home Ecobee thermostat and more, this is a good introduction to see APIs in action using OAuth keys.

This is a simple IR sensor block detector for model railroads. It controls three lights: red, yellow and green.

A low cost air quality monitoring device created with an aim to detect pollution hotspots caused due to traffic jams or factory emissions.

A time switching battery powered solar charged circuit, used to power an Arduino Uno and some peripherals.

Automatic switch controller and generator monitor.

Are you tired of giving any surplus of your homemade electricity to your electric grid provider? Here is the solution to stop the waste!

How to build a wind turbine MPPT regulator within direct injection or battery configuration, 24V or 48V, 30A max. Update : V2 with a PCB.

Advanced Onboard Computer for Bicycle.

A firefighter Arduino autonomous robot which is capable of detecting, approaching and extinguishing fire.

New sound and light for an old retro desktop jukebox.

This device is a smart pill dispenser to aid those who are forgetful when taking their medication, or who take many medications at once.

A 3D-printed snowflake made with Arduino Uno. Has 91 addressable RGB LEDs.

A simple 8x32 LED matrix alarm clock.

IoT app to monitor and control intelligently the fishing farms by using Arduino as a main controller!

Play tic-tac-toe against a robotic arm controlled by an Arduino Mega 2560.