Power Accessories

FT-NDRIVE

This high-power N-MOSFET module lets you switch high-current loads using a tiny microcontroller. Perfect for controlling that set of traffic lights mounted in your living room! Works brilliantly for automotive projects such as switching high-power 12V lights and high wattage L...

AF-3788

Here's another addition to our growing family of AA battery holders.

SF-PRT-14803

As one of the smallest systems around there are so many amazing things you could do with the Raspberry Pi if it was self-powered and portable.

SF-COM-15093

Have you ever wanted to control something powerful or have you ever needed to turn on/off a high power device from your Arduino or another low powered microcontroller? The SparkFun Qwiic Single Relay provides you with the easiest to use relay yet. The Single Relay board can ha...

AF-3784

Here's another addition to our growing family of AA battery holders.

AF-3842

Here's another addition to our growing family of AA battery holders.

SF-COM-15207

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

SF-KIT-14449

The SparkFun Variable Load Kit is a quick-to-assemble board designed to allow users to draw a specific amount of current from a voltage input. This kit can be used to test stability of the power supply under various loads, battery lifetime, safety cutoffs and other design elem...

SF-COM-15102

The SparkFun Qwiic Quad Relay is a unique power accessory board that has been designed for switching not one but four high powered devices from your Arduino or another low powered microcontroller using I2C. Taking a look at the board, the Quad Relay has four individual relays ...