SparkFun projects

How to make an easy and adaptable countdown.

Firefighters must manage their equipment out in the field. Paper gets lost, and WIFI is rare. Simply transmit tracking info via cellular.

Control Arduino from your smartphone or laptop using Bluetooth.

My first attempt at a robot with a Lego Pirate theme.

Toy Iron Man mask with some hardware in it to project information to the wearer, like the holographic interface Mr. Stark himself uses.

Home automation system with built-in Alexa assistant and wireless controllers for light and central heating? It sounds great, doesn't it?

Know when the bus is arriving, and notify someone if the bus is late.