Power Accessories provide the hardware to bring, manage and monitor energy in electronics projects. They include power connectors and cabling, regulation devices, soft power switches, and breakout boards that expose current and voltage information. These parts are used in robotics, sensing systems, automation, and embedded benches where reliable power rails, smooth start-up, and clear power control matter.
Expect a range of form factors and interfaces that keep wiring straightforward and compatible with common boards. Availability of breakout, extension and adapter options makes integration easier, while variations in input ranges, regulation methods, and protection features shape performance and reliability. This category focuses on delivering power cleanly and predictably, differentiating from signal conditioning or motor drive components by prioritising power delivery, monitoring, and flexibility for different sources.
Code: SKU-010710
The SparkFun Soft Power Switch is a passive, hard on/off switch with software feedback and control via USB-C connectors. More Details...
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Code: SKU-000442
This is a right-angle 24-pin Molex Mini-Fit Jr.™ connector commonly used as the power supply connector on ATX motherboards. Two rows of twelve pins are broken out two rows of through-hole male headers. See the datasheet below for pin spacing dimensions. More Details...
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Code: SKU-005898
The ATX power connector breaks out the standard 4-pin computer peripheral port for you 12V & 5V devices from one wall adaptor! More Details...
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Code: SKU-001100
Do you fear that your power may not be "far reaching" enough? How would another 3' work for you? Okay so it doesn't sound very dramatic but sometimes an extra 3' of power cable is exactly what your project needs. More Details...
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Code: SKU-001099
We use barrel jacks a lot around here and sometimes we need to pop a switch into the mix. That usually means hacking up a perfectly good barrel jack extension cable but the whole point of using the barrel jacks was so that we wouldn't have to hack things apart... More Details...
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Shipping from $9.90
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Code: SKU-008064
This 3xAA battery holder with JST connector puts a nice finishing touch on your battery powered project. More Details...
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Code: SKU-008021
Need more power? This high-efficiency buck-boost converter delivers a stable 12V at 6A (72W) from any input source between 8V and 36V. More Details...
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Code: SKU-002020
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. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well. More Details...
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Code: SKU-006321
The KR Sense 45A is a small voltage and current sense breakout board. More Details...
Not currently available
Code: SKU-007414
This adaptor allows you to power your RPi 4 with a previous usb-micro B power supply. More Details...
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