Digital Technologies

Jumper wires are awesome. Just a little bit of stranded core wire with a nice solid pin connector on either end. They have the flexibility of stranded wire but will fit directly into breadboards...

A standard alligator clip — an essential tool for any electronics workbench. Use it for making quick temporary connections when prototyping circuits, testing components, or extending test leads. I...

A tiny solderless breadboard that's half the size of a half-size breadboard — perfect for compact prototypes, small circuits, and sticking onto the top of Arduino protoshields. Specifications Di...

The PicoBuck is a three-channel constant-current LED driver based on the AL8805. Each channel drives LEDs at 330 mA by default, with a solderable jumper to increase the maximum to 660 mA per channe...

This double-row, 14-pin (2×7) extended male header with 0.1" (2.54mm) pitch features extra-long 22.85mm pins — significantly longer than standard headers. The extended length is useful for making c...

This single-row, 2-pin extended male header with 0.1" (2.54mm) pitch features extra-long 22.85mm pins — significantly longer than standard headers. The extended length is useful for making connecti...

The IOIO-OTG (pronounced "yo-yo-O-T-G") is a development board that lets Java developers add hardware I/O capabilities to Android or PC applications. A PIC24FJ256 microcontroller bridges your app t...

A 6×AA battery holder with a 5.5mm/2.1mm DC barrel plug, ready to power Arduino boards and other electronics with a standard DC jack. Use alkaline AAs for approximately 9V at 3000–4000mAh, or recha...

The SparkFun Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials. The soil moisture sensor is pretty straight forward to use. The two large exposed pa...

By popular demand! We now have the plates from the ARDX available separately. Acrylic plate is engraved and cut here at the Adafruit factory. There are mounting holes for your Arduino and a spac...

The ENGINEER PA-09 is a precision micro crimping tool that makes clean, reliable crimps on the small contacts used in fine-pitch connectors — no more mangled contacts from generic pliers that crush...

The 0.100″ (2.54 mm) 2×16-Pin Straight Female Header is a double-row, 32-pin socket strip designed to mate with standard 0.1″ pitch male headers. Its dual-row configuration makes it suitable for hi...

The 0.100″ (2.54 mm) 2×7-Pin Straight Female Header is a double-row, 14-pin socket strip designed to mate with standard 0.1″ pitch male headers. The 2×7 layout provides a medium-density connection ...

The 0.100″ (2.54 mm) 2×6-Pin Straight Female Header is a double-row, 12-pin socket strip designed to mate with standard 0.1″ pitch male headers. Its 2×6 layout provides a compact, medium-density co...

The 0.100″ (2.54 mm) 2×2-Pin Straight Female Header is a compact double-row, 4-pin socket strip designed to mate with standard 0.1″ pitch male headers. Its small 2×2 footprint is ideal for simple p...

This single-row, 11-pin straight female header with 0.1" (2.54mm) pitch is designed to mate with standard 0.1" male headers. It provides a reliable socket connection for board-to-board and board-to...

A sturdy ratcheting crimping tool for making custom wiring harnesses with crimp pins and cable housings. The ratchet mechanism ensures consistent, reliable crimps every time — simply squeeze the ha...

The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on...

A compact 30× magnification loupe with built-in LED illumination for inspecting circuit boards, solder joints, fine print, and small components. The fold-out design is pocket-friendly, making it a ...

If you've ever had to remove a stripped bolt or screw, you know how incredibly frustrating it can be. Normal pliers slip when trying to grip onto the screw head. Unless you're careful, you can easi...