sparkfun

It’s 2pm on a Tuesday and you find yourself at the test house with a design failing an emissions test. You quickly determine that you need to hack ...

Need a power sensor that can sense voltage up to 60VDC and current up to 30A? This is the product for you!The Allegro MicroSystems ACS37800 power m...

The Pro RF is the mind meld of a Pro Micro and a long-range RFM95W LoRa®-enabled radio. What you get is a very compact, easy to use Arduino with ex...

The Pro RF is the mind meld of a Pro Micro and our high-power RFM69 breakout board. What you get is a very compact, easy to use Arduino with excell...

A lot of the time you just need to add more analog inputs to solve a problem. It happens. The SparkX Qwiic 24-Bit ADC can provide four channels of ...

Qwiic RF is a packet radio system that’s designed for sending short packets of sensor data from one Qwiic bus to another. Messages sent by one Qwii...

Simple SPDT slide switch. Rated at 30V/200mA. The pins have .1" spacing - fits great into a breadboard! Use it as a power switch or general control...

A small audio speaker that is ideal for radio and amplifier projects and is small enough to fit in robot projects. Features: Small Size Power ra...

This through-hole speaker is great for projects where you need something that sounds better than a piezo buzzer but don’t have room for a full-blow...

You may recognize these as the connectors that are commonly used for home stereo speakers. They happen to make good spring terminals for most appli...

The Spectacle Light and Sound Kit makes it easy to incorporate button-activated sound and light effects into your projects with ease! The Light and...

The Spectacle Light Kit makes it easy to illuminate your next project at the push of a button! The Light Kit provides a simple, straightforward way...

The Spectacle Motion Board makes it easy to add movement to your Spectacle projects. Each Motion Board can control up to five servo motors, rega...

The Spectacle Sound Kit makes it easy to incorporate sounds, tunes and other audio ideas into your next project and to activate them at the push of...

The Spectacle Sound Kit makes it easy to incorporate sounds, tunes and other audio ideas into your next project and to activate them at the push of...

These are small spring terminals. Open the aperature with the small arm, insert the wire, release the arm and the wire is held firmly in place. Thi...

These are small spring terminals. Open the aperature with the small arm, insert the wire, release the arm and the wire is held firmly in place. Thi...

These are small spring terminals. Open the aperature with the small arm, insert the wire, release the arm and the wire is held firmly in place. Thi...

These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 16 teeth with a spacing of 0.2...

These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 40 teeth with a spacing of 0.2...

These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 48 teeth with a spacing of 0.2...

Screw plates make it easy to create a strong joining point between our channel pieces. Te small screw plate is 0.784" square, has 4 6-32 tapped ...

The SST Liquid Level Sensor provides single point liquid detection via a TTL compatible push/pull output. This optical liquid level sensor features...