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This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or ...

These panels come to us from Voltaic Systems, makers of fine solar-powered bags and packs. These are waterproof, scratch resistant, and UV resista...

These high-quality battery clips are molded plastic, so they won't tear like cheap clips, and they cover the battery terminals to prevent shorts. C...

After months of searching, we finally have what we consider to be the ultimate conductive thread. It's thin, strong, smooth, and made completely of...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 6" (150mm) long and come in a 'strip' of 40 (...

This high-torque standard servo now comes in a metal-gear flavor, for extra-high torque (10 kg*cm!) and reliability! It can rotate at least 120 deg...

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...

PowerBoost is the perfect power supply for your power-hungry portable project! This little DC/DC boost converter module can run from 1.8V batteries...

Keep your 10mm LEDs in place with these little plastic LED holders. These are handy for projects using individual LEDs as they look sleek, and your...

This is just about the cutest, tiniest little micro servo we could find, even smaller than the 9 gram micro servos we love so much.  It can rotate ...

Never get frustrated with 2mm-pitch modules again! Each one of these 40-pin break-apart header packs contains 5 pieces of 40-pin, 2mm pitch headers...

The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it ...

Please note:  We have a limited number of the original, unshielded board available.  If you want a specific version of this hardware, please conta...

This kit is for making your own breadboard-friendly very low dropout adjustable power supply. A good power supply is essential to electronic proje...

Copper tape can be an interesting addition to your toolbox. The tape itself is made of thin pure copper so its extremely flexible and can take on n...

Nothing makes a project harder to maintain than a lot of loose wiring. That's why we like to use terminal blocks whenever making PCB-to-Wire connec...

Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of a thin, f...

Silicone-sheathing wire is super-flexible and soft, and its also strong! Able to handle up to 200°C and up to 600V, it will do when PVC covered wir...

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...

Note: These use genuine FTDI chips, either Adafruit purchases them or they are manufactured to their specifications with the requirement of genuine...

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

This 2.2"/57mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless re...