Measure changes in the concentration of gases including carbon monoxide (CO), nitrogen dioxide (NO2), and ammonia (NH3) with this Breakout Garden compatible I2C breakout. The MICS6814 sensor...

A fast and precise environmental sensor that can measure temperature, pressure, and altitude. Our BMP280 breakout is Raspberry-Pi and Arduino-compatible. If you're looking for a simple temperature...

A minimal RP2040 breakout board wrangled into a Pin Grid Array, with 8MB flash and a maximal dash of retraux style. PGA2040 is a compact RP2040 breakout intended for the most svelte and embeddable...

Measure indoor air quality—total volatile organic compounds (TVOC) and equivalent CO2 (eCO2)—with this digital sensor for Raspberry Pi and Arduino. The SGP30 sensor measures two different types of...

Whether you're an agriculturalist, a professional meteorologist or a weather hobbyist, building your own weather station can be a really rewarding project. When you're measuring weather, however, you...

L3G4200D is a 3 axis gyroscope, providing you with very high resolution (16 bit) measurements at up to 2000 degrees per second (dps).   The gyroscope measures how much the device is rotating around...

This potentiometer is a two-in-one, good in a breadboard or with a panel. Its a fairly standard linear taper 10K ohm potentiometer, with a grippy shaft. Its smooth and easy to turn, but not so loose...

Description LCD display module with blue backlight Wide viewing angle and high contrast Built-in industry standard HD44780 equivalent LCD controller Commonly used in: copiers, fax machines,...

These nice switches are perfect for use with breadboard and perfboard projects. They have 0.1" spacing and snap in nicely into a solderless breadboard. They're easy to switch no matter what size...

This power jack is designed to fit 2.1mm power plugs snugly and securely. Perfect for adding a power connector to your project. We went for the more expensive "thin pin" type which snap into...

These are our favorite trimpots, perfect for breadboarding and prototyping. They have a long grippy adjustment knob and with 0.1" spacing they plug into breadboards or perfboards with ease. This is...

0.91-inch White OLED Display Module (I2C Interface) The 0.91-inch White OLED Display Module (I2C Interface) is a compact screen ideal for adding clear visual output to microcontroller projects. With...

SparkFun Thumb Joystick Breakout BOB-09110 This is the breakout board for the thumb joystick. Pins are broken out to a 0.1" header and include 4 mounting holes in the corners. Size: 1" x 1...

This is the Magnetic Door Switch Set, a small reed switch assembly specifically designed to alert you when doors, drawers, or any other aperture opens. These types of switches are primarily used in...

Have you ever wanted to control the flow of a liquid using your computer or microcontroller, but didn't know how? Well, here's how: The 12V solenoid controlled fluid valve. Simply connect a fluid...

Eight super-bright RGB LED indicators that are ideal for adding visual notifications to your Raspberry Pi without breaking the bank! Inspired by Alex Ellis' work with his Raspberry Pi Zero Docker...

By rotating the rotary encoder can be counted in the positive direction and the reverse direction during rotation of the output pulse frequency, unlike rotary potentiometer counter, which species...

This rotary encoder is the best of the best, its a high quality 24-pulse encoder, with detents and a nice feel. It is panel mountable for placement in a box, or you can plug it into a breadboard...

Pi Modules - PM_108 - High Power Relay Kit for PiCoolFan4. The PiCoolFAN4 can be optionally equipped with this High Current Relay. A Green LED light up to inform the user the Relay is ON...

Sensor Kit v4.0 for Raspberry Pi - 37-Module Ultimate Sensor Kit Kickstart your Raspberry Pi learning journey with a 37-in-1 sensor kit and 35 guided projects. Perfect for classrooms and beginners...