This straight bar load cell (sometimes called a strain gauge) can translate up to 5kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain...

Make a scrolling sign, or a small video display with this 8x8 gridded pixel white LED matrix. Only 1.2" on a side, it is quite visible but not so large it won't plug into a breadboard! There are 16 pins on the side, 8 on each, with 0.1" spacing so...

Make a scrolling sign, or a small video display with this 8x8 gridded yellow LED matrix. Only 1.2" on a side, it is quite visible but not so large it won't plug into a breadboard! There are 16 pins on the side, 8 on each, with 0.1" spacing so you can...

Make a scrolling sign, or a small video display with this 8x8 gridded square Amber LED matrix. Only 1.2" on a side, it is quite visible but not so large it won't plug into a breadboard! 64 Amber LEDs are contained inside the plastic body, in an 8x8...

You will squeak with delight when you hold this adorable miniature LED matrix. 0.8" square, its got everything a big LED matrix has, but bite sized! 64 bright blue LEDs are contained inside the plastic body, in an 8x8 matrix. There are 16 pins on the...

You will squeak with delight when you hold this adorable miniature LED matrix. 0.8" square, its got everything a big LED matrix has, but bite sized! 64 bright yellow-green LEDs are contained inside the plastic body, in an 8x8 matrix. There are 16 pins on...

You will squeak with delight when you hold this adorable miniature LED matrix. 0.8" square, it's got everything a big LED matrix has, but bite sized! 64 bright yellow LEDs are contained inside the plastic body, in an 8x8 matrix. There are 16 pins on the...

You will squeak with delight when you hold this adorable miniature LED 8x8 matrix. 0.8" square, it's got everything a big LED matrix has, but bite-sized! There are 16 pins on the side, 8 on each, with 0.1" spacing so you can easily plug it into a...

It's summer and you're sweating and your hair's all frizzy and all you really want to know is why the weatherman said this morning that today's relative humidity would max out at a perfectly reasonable 42% when it feels more like 77%. Enter...

Waveshare 15423 - Raspberry Pi Expansion Board, 8-ch Relays The RPi Relay Board (B) is an expansion board with 8-channel relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home appliances. Note:...

Waveshare 13992 - 1.5inch OLED display Module, 128x128 pixels, 16 gray scale, SPI/I2C interface This is an OLED display module, 1.5inch diagonal, 128x128 pixels, 16 gray scale, with embedded controller, communicating via SPI or I2C interface...

Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. The MAX31855K does everything for you, and can be easily interfaced with any microcontroller, even one without an analog input. This breakout board has the...

The MonkMakes Relay for micro:bit is a solid-state (no moving parts) relay that allows an output of a micro:bit to turn things on and off. This relay can be used to switch low voltage devices such as light bulbs, a motor, a small heating element or even...

Your power supply problems just got SOLVED! This little circuit board may look tiny but inside is a high efficiency DC/DC step-down converter which can output up to 3 Amp at 5V without the need of any heat-sink or forced cooling. (It does get a bit...

The big brother to the Skywriter HAT -  Skywriter adds 3D gesture sensing to your project! Using Pimoroni's Python and Arduino libraries you can read off the positional data (x, y, z) and common gestures like flick left, tap,...

Adafruit seesaw is a near-universal converter framework which allows you to add add and extend hardware support to any I2C-capable microcontroller or microcomputer. Instead of getting separate I2C GPIO expanders, ADCs, PWM drivers, etc, seesaw can be...

Sew a little sparkle into your wearable project with an Adafruit LED Sequin. These are the kid-sister to the popular Flora NeoPixel, they only show a single color and they don't have digital control, but that makes them smaller easier to use for many...

These LED strips come in 5 meter reels. These strips are sold by the meter! If you buy 5 meters at a time, you'll get full reels with leads at both ends. If you buy less than 5m, you'll get a single 1-4m strip with or without leads.   1. Light...

"You see, wire telegraph is a kind of a very, very long cat.  You pull his tail in New York and his head is meowing in Los Angeles.  Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there...

"You see, wire telegraph is a kind of a very, very long cat.  You pull his tail in New York and his head is meowing in Los Angeles.  Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there...