Angled shot of board
Featured
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 while we still carry the Trinket so that people can maintain some older projects, we no longer recommend it.
$6.95 each
In Stock
Small, 8-pin transistor.
Featured
This adorable little DIP chip has a megabyte of flash storage. It's solid-state and less expensive than an SD card, and has more storage than your microcontroller's EEPROM. Perfect for when you want to store or retreive up to 1 Megabyte of data. Use any microcontroller with SPI. This...
No Longer Stocked
Angled shot of a Adafruit METRO 328 Fully Assembled
Featured
We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI and I2C, timers and PWM galore - just enough for most simple projects. When we need to go small, we use a
view other guides that use this product
Out of Stock
Angled shot of blue, rectangular stereo audio amplifier breakout with green terminal blocks.
Featured
This incredibly small stereo amplifier is surprisingly powerful - able to deliver 2 x 2.1W channels into 4 ohm impedance speakers (@ 10% THD). Inside the miniature chip is a class D controller, able to run from 2.7V-5.5VDC. Since the amp is a class D, it's incredibly efficient (89%...
$9.95 each
In Stock
Angled Shot of the Speaker - 3" Diameter - 4 Ohm 3 Watt
Featured
Listen up! This 3" diameter speaker cone is the perfect addition to any audio project where you need an 4 ohm impedance and 3W or less of power. We particularly like this cone as it has 4 handy mounting tabs 60mm apart.Works great with our
Out of Stock
Two square-ish USB Powered Speakers
Featured
Add some extra boom to your audio project with these powered loudspeakers. We sampled half a dozen different models to find ones with a good frequency response, so you'll get quality audio output for music playback. Simply connect the standard 3.5mm stereo plug into your Raspberry Pi model...
$9.95 each
In Stock