sparkfun

The credit-card-sized computer has become even smaller! The Raspberry Pi Zero W is still the Pi you know and love, but at a largely reduced size of...

This shake brings an easy-to-use earthquake monitor to the yard! Developed and made on a literal volcano, the Raspberry Shake is a highly accurate ...

Raytac's MDBT53 is a BT5.2 stack (Bluetooth® low energy or BLE) module designed based on Nordic nRF5340 SoC solution, which incorporates: GPIO, SPI...

Raytac’s MDBT42T-AT is a BT 5.4 stack (Bluetooth® low energy or BLE) module designed based on Nordic nRF52805 SoC solution, which incorporates a UA...

Raytac’s MDBT42TV-PAT is a BT 5.4 stack (Bluetooth® low energy or BLE) module designed based on Nordic nRF52805 SoC solution, which incorporates a ...

RCA cables are super handy for moving analog signals around. This is a great way to connect a composite video capable device, like the Raspberry Pi...

RTC stands for real time clock folks. The DS3234 is a low-cost, extremely accurate SPI bus RTC with an integrated temperature compensated crystal ...

In this kit, you'll build an open source communication device - a "conversation machine." Once your kit is complete, you'll be able to make pattern...

The BLE Nano from RedBearLab is one of the smallest Bluetooth 4.1 Low Energy (BLE) development boards in the market. At each BLE Nano’s core is ...

This is a small device called a reed switch. When the device is exposed to a magnetic field, the two ferrous materials inside the switch pull to...

This is a small device called a reed switch. When the device is exposed to a magnetic field, the two ferrous materials inside the switch pull to...

This is a 10 meter (33 ft) long Male TNC to Male SMA cable with injection molded stress-relief boots. This is an excellent cable for connecting one...

This is a 300mm (1 foot) Male TNC to Male SMA cable with injection molded stress-relief boots. This is an excellent cable for connecting one of our...

This Relay Shield v2.0 from Evil Mad Scientist is a simple Arduino add-on that gives your Arduino the ability to control a single electromechanical...

These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current devices. This relay’s ...

These are massive single pole - double throw (SPDT) sealed relays. This means that when current is applied to the coil it throws a simple changeove...

This is a handy little device that can save your system from smoking. A resettable fuse (also known as a PTC) is a resistor that has very unique pr...

1.0M Ohm, ¼th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards.We’ve opted for a new and more breadboard-frien...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 1.0M resistors make excellent pull-ups, pull-dow...

These are your run-of-the-mill ¼ Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and other prototyping applications, these 10...

These are ¼th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 100 Ohm resistors make excellent pull-up...

These are your run-of-the-mill ¼ Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and other prototyping applications, these...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-d...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-down...