SparkFun

This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1mm barrel connectors. ...

This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2...

DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5....

This is a common SMD barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5.5mm jack, with a 2.1m...

This R-78E DC/DC Converter is a switching regulator module that has been designed to offer all the advantages of a switching regulator (high effici...

Do you have an R/C vehicle battery pack that desperately needs a Deans connector? With our new M/F Deans connector pair, you’ll have just what you ...

Mini Diagonal Cutters. These are great little cutters! A must have for clipping leads and extra solder tails. 4" long.

The LM311 device is a single high-speed voltage comparator. This device is designed to operate from a wide range of power-supply voltages, includin...

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow.

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow.

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow.

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow.Features: Forward Voltage (R/G/...

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow.Features: 3.0-3.4VDC Forward Vo...

The Digi XBee 3 global cellular module is a cutting-edge, compact module engineered for rapid integration of cellular IoT capabilities. This innova...

XBee RR 802.15.4 RF Modules are embedded solutions providing wireless end-point connectivity to devices. These devices use the IEEE 802.15.4 networ...

XBee RR 802.15.4 RF Modules are embedded solutions providing wireless end-point connectivity to devices. These devices use the IEEE 802.15.4 networ...

XBee RR 802.15.4 RF Modules are embedded solutions providing wireless end-point connectivity to devices. These devices use the IEEE 802.15.4 networ...

XBee RR 802.15.4 RF Modules are embedded solutions providing wireless end-point connectivity to devices. These devices use the IEEE 802.15.4 networ...

XBee RR 802.15.4 RF Modules are embedded solutions providing wireless end-point connectivity to devices. These devices use the IEEE 802.15.4 networ...

This Digital LED Voltmeter measures the voltage at a particular point of the system it has been hooked up to and then provides a readout on its thr...

The digital multimeter (DMM) is an essential tool in every electronic enthusiasts arsenal. The SparkFun Digital Multimeter, however, is not your av...

Potentiometers are incredibly useful, whether you’re controlling the volume on your stereo or the ‘mood lighting’ in your room. The problem with tr...