Angled shot of board
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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
Top view of three fanned out Adafruit Perma-Proto Quarter-sized Breadboard PCBs.
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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 off and no labeling. Then we thought about how people actually prototype - usually starting with a solderless breadboard and then...
$8.50 each
In Stock
Top view of magnetic contact switch with three screws.
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This sensor is essentially a reed switch, encased in an ABS plastic shell. Normally the reed is 'open' (no connection between the two wires). The other half is a magnet. When the magnet is less than 13mm (0.5") away, the reed switch closes. They're often used to detect when a...
$3.95 each
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Angled Shot of the PIR (motion) sensor.
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PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an adjustable delay before firing (approx 2-4 seconds), adjustable sensitivity and we include a 1 foot (30 cm) cable with a socket so you...
$9.95 each
In Stock
Small weatherproof enclosure with clear lid.
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Store your project safe and sound in this nice weatherproof box with a clear top. We picked up this box because we like the machinable ABS plastic body and tough clear polycarbonate cover, the built in weatherproof gasket seal, and the easy-open screws that can be taken apart as many times as...
$9.95 each
In Stock
Cable Gland PG-9 size
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We have some great waterproof and weather-proof items in the adafruit shop, but once you have a project built, you'll want to enclose it. But how to keep an enclosure weather/waterproof while still attaching cables for power, data...
$1.95 each
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Angled Front Shot of the Panel Mount 2.1mm DC barrel jack.
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This power jack is designed to easily attach to a panel up to 8mm thick (0.315" or 5/16") and fit 2.1mm power plugs snugly and securely. Perfect for adding a power connector to your project enclosure. We like this jack in particular for its long body (so you can use it on thicker...
$2.95 each
In Stock
USB LiIon/LiPoly charger.
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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 adapter'. Charging is performed in three stages: first a...
view other guides that use this product
$12.50 each
In Stock
Lithium Ion Polymer Battery 3.7v 1200mAh with JST 2-PH connector
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Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 1200mAh for a total of about 4.5 Wh. If you need a larger battery,
$9.95 each
In Stock
Euro-Style Terminal block with 4 pins
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Connect this to that without soldering using these quick terminal blocks. They allow connecting of two sets of four wires together using just a flat-head screwdriver. These are UL rated to carry up to 15 Amps, so they're great for high current LED strips! Can be used with wires from...
$2.50 each
In Stock
Angled shot of power supply.
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This is an FCC/CE certified and UL listed power supply. Need a lot of 5V power? This switching supply gives a clean regulated 5V output at up to 2000mA. 110 or 240 input, so it works in any country. The plugs are "US 2-prong" style so you may need a plug adapter, but you can pick one...
$7.95 each
In Stock
pack of five, 36-pin 0.1 inch Female header
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Female header is like the duct tape of electronics. Its great for connecting things together, soldering to perf-boards, sockets for wires or break-away header, etc. We go through these guys real fast, and thought that given how handy they are, we'd offer them in a pack of five!
Out of Stock