What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy nRF52840 Express featuring the Nordic nRF52840 Bluetooth LE...
$17.95
In Stock
Bring in some muscle to your output pins with 8 mighty Darlingtons! This DIP chip contains 8 drivers that can sink 500mA from a 50V supply and has kickback diodes included inside for...
Out of Stock
Solenoids are basically electromagnets: they are made of a coil of copper wire with an armature (a slug of metal) in the middle. When the coil is energized, the slug is pulled into the...
$4.95
In Stock
Add another 16 pins to your microcontroller using a MCP23017 port expander. The MCP23017 uses two i2c pins (these can be shared with other i2c devices), and in exchange gives you 16...
$2.95
In Stock
Customers have asked us to carry basic perf-board, but we never liked the look of most basic perf: its always crummy quality, with pads that flake off and no labeling. Then we thought...
$12.50
In Stock
Oh boy, now you have no excuse for not building that robot! Nothing is easier or faster than building with extrusion and we've added 20mm square aluminum extrusion and components...
Out of Stock
Customers have asked us to carry basic perf-board, but we never liked the look of most basic perf: its always crummy quality, with pads that flake off and no labeling. Then we thought...
$2.95
In Stock
Fire up your engines because these are the hot-rods of toggle switches! Equipped with an aerodynamic blue protective casing, and a diffused blue LED at the tip of the switch, this...
$2.95
In Stock
By popular demand, we now have a handy extension cord for all of our JST-terminated battery packs (such as our LiIon/LiPoly and 3xAAA holders). One end has a JST-PH socket, and the...
Out of Stock
This is a box of ten 25ft spools of solid-core wire. The wire is easy to solder to, and when bent it keeps its shape pretty well. We like to...
$29.95
In Stock
Attach various pieces of 20mm slotted aluminum extrusion together with this 3-hole plate.Measures 60mm long, 18mm wide, 4mm thick. 5.3m drill holes 20mm apart so you can...
Out of Stock
Brace yourself! You'll definitely want to pick up a couple of these double corner brace supports when working on a project with 20x20 extrusion. They're nice and solid, made of...
Out of Stock
An essential for working with slotted aluminum extrusion, these slim metal nuts slide into the side-slot of the extrusion. The slightly oval shape means that as they screwed-into the...
Out of Stock
Cute as a button, these button-head hex screws are what we suggest for putting together a project with our slotted extruded aluminum. Use a 2.5mm hex wrench to attach/detach. This...
$5.95
In Stock