This is a 12 wire slip ring, a remarkably simple electromechanical assembly that allows electronic signals to be passed through its rotating innards. Commonly, you’d find slip rings in wind turbines, radar antennae, or anything else that...

An electromagnet is a type of magnet in which the magnetic field is produced by electric current. An electric current flowing in a wire creates a magnetic field around the wire, due to Ampere's law(see drawing below). To concentrate the...

The Crazyflie 2.0 is a versatile flying development platform that only weights 27g and fits in the palm of your hand. It's advanced functionalities makes it ideal for developers and the Bluetooth LE capabilities makes it easy to fly from...

Odometers are extremely useful for cars, they tell you how far you have gone, and wouldn’t it be nice if you were able to have a device that does the same for electrical current? The LTC4150 SparkFun Coulomb Counter Breakout is here to...

This is a simple LED-illuminated tactile button with a clear cap. It’s just like a basic tactile button, but it lights up green! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA....

This is a simple LED-illuminated tactile button with a clear cap. It’s just like a basic tactile button, but it lights up white! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA....

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. Features: Concave plunger design Durable nylon...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. Features: Concave plunger design Durable nylon...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. Features: Concave plunger design Durable nylon...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. Features: Concave plunger design Durable nylon...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. Features: Concave plunger design Durable nylon...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button has a great tactile, ‘clicky’ feel. Features: Concave plunger design Durable nylon...