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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 tha...

Would you like to add sound effects to your next project, without an Arduino+Shield? Or maybe you don't even know how to use microcontrollers, you ...

If you have a Pro Trinket you probably know it's the perfect little size for a portable project. This LiPoly backpack makes it really easy to do! I...

These great little displays can show any letter or number!  This is a nice, bright alphanumeric display that shows letters and numbers in a beautif...

Piezo buzzers are used for making beeps, tones and alerts. This one is petite but loud! Drive it with 3-30V peak-to-peak square wave. To use, conne...

This is a Lithium Ion and Lithium Polymer battery charger based on the MCP73833. It uses a USB mini-B for connection to any computer or 'USB wall a...

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

Here's a handy Arduino shield: Adafruit had a lot of people looking for a dedicated and well-designed data logging shield. We worked hard to engine...

This here is your standard A-microB USB cable, for USB 1.1 or 2.0. Perfect for connecting a computer to your NETduino, Arduino Leonardo, Raspberry ...

Yes, this is an adorable miniature television! The visible display measures only 2.0" diagonal, the TFT comes with a NTSC/PAL driver board. The dis...

Make your own USB connections without slicing apart a USB cable and soldering those thin wires inside. These DIY "USB shells" are available in USB ...

A switch is a switch, and an LED is an LED, but this LED illuminated button is a lovely combination of both! It's a medium sized button, large enou...

This A/V RCA Cable for Raspberry Pi is a great way to turn your Pi 4, 3, 2, A+ or B+'s output into a full on composite video and audio device.  For...

A Feather board without ambition is a Feather board without FeatherWings! This is the Adalogger FeatherWing: it adds both a battery-backed Real Tim...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 3" (75mm) long and come in a 'strip' of 40 (4...

This display features a 2.8" display with 320x240 16-bit color pixels and a capacitive touch overlay. That's right, instead of a resistive touchsc...

What's a project if it's trapped on your desk? Now you can take your Arduino anywhere you wish with the PowerBoost shield! This stackable shield go...

This 1.1" (~30mm) diameter speaker is the perfect addition to any breadboard-based audio project where you need 8 Ohm impedance, and have 0.2W or l...

This new Adafruit Pi Plate makes it easy to use an RGB 16x2 Character LCD. We really like the RGB Character LCDs we stock in the shop. (For RGB w...

Listen to this good news - we now have a breakout board for a super tiny I2S MEMS microphone. Just like 'classic' electret microphones, MEMS mics c...

Check out this handy MicroUSB extension cable, which will make it easy for you to enclose a device that has a B type (micro USB host) port. Great i...

Customers have asked us to carry basic perf-board, but we never liked the look of most basic perf: it's always crummy quality, with pads that flake...