Microcontrollers

Have you gazed longingly at large TFT displays - you know what I'm talking about here, 4", 5" or 7" TFTs with up to 800x480 pixels. Then you look ...

Add some jazz & pizazz to your project with a color touchscreen LCD. This TFT display is big (2.8" diagonal) bright (4 white-LED backlight) and...

his prototyping shield is the best out there (well, we think so, at least), and now is even better with Version R3 - updated for the most compatibi...

Bend all audio files to your will with the Adafruit Music Maker shield for Arduino! This powerful shield features the VS1053, an encoding/decoding ...

This lovely little shield is the best way to add a small, colorful and bright display to any project. We took our popular 1.8" TFT breakout board ...

NeoPixels are plenty bright, suuuure. BUT ARE THEY 3 WATTS BRIGHT? No! They are not! That's why you need a Pixie. These chainable smart LEDs are n...

Adafruit sure loves the ATmega328, they use them a lot for their own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI a...

The next generation Proto-ScrewShield is a dual-purpose prototyping shield. Now only does it have a large 0.1" grid prototyping area but it also ex...

An anemometer is a device used for measuring wind speed, and is a common weather station instrument. This well made anemometer is designed to sit o...

Add lots of touch sensors to your next microcontroller project with this easy-to-use 8-channel capacitive touch sensor breakout board, starring the...

You want to make a cool Arduino robot, maybe a hexapod walker, or maybe just a piece of art with a lot of moving parts. Or maybe you want to drive ...

Make a portable power brick with plenty of juice! Use Alkaline AA's for a 9V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 7.5V supp...

This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of plastic with sturdy plastic buttons. The keys are connected to a ma...

The PN532 is the most popular NFC chip, and is what is embedded in pretty much every phone or device that does NFC. It can pretty much do it all,...

It looks like a servo, it acts like a servo, but it's more than just a servo! We got a factory to custom-make these classic 'standard' sized hobby ...

Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that...

Add powerful and easy-to-use Bluetooth Low Energy to your robot, art or other electronics project!  With BLE now included in modern smart phones a...

What's better than a single LED? Lots of LEDs! A fun way to make a small linear display is to use two 12-bar Bi-color bar-graphs. Wouldn't it be aw...

Add more power to your robot with this metal-geared servo. The tiny little servo can rotate approximately 180 degrees (90 in each direction), and w...

Deprecation Warning: The Trinket bit-bang USB technique it uses doesn't work as well as it did in 2014, many modern computers won't work well. So ...