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The PiJuice is a fully uninterruptible power supply HAT that will always keep your Raspberry Pi powered.
The SparkFun Qwiic Quad Relay is a unique power accessory board, used for switching 4 high powered devices from your Arduino …
A solid state relay (SSR) allows you to control high-curent AC loads from lower voltage DC control circuitry. Solid state rel…
The SparkFun Qwiic Single Relay provides you with the easiest to use relay yet, handling up to 5.5A at 240VAC for long period…
The RELAYplate from Pi-Plates is the first dedicated relay board for the Raspberry Pi designed to meet the safety requirement…
This USB Relay Controller / Data Acquisition Module, from [Cana Kit](http://www.canakit.com/), allows computer controlled swi…
Your 5V system can wield great power with this big, beefy relay board. How does 10A on the NC contacts and 20A on the NO cont…
These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current …
This breakout board uses the LTC3588 Piezoelectric Energy Harvester from Linear Technologies. This board can be used not only…
6 pin SOT-23 to DIP adaptor. Created to take SOT23 of various pin sizes breakout to DIP. This will work with 3-pin MOSFETs, B…
Do you want to control a standard wall outlet device with your microcontroller, but don’t want to mess with the high-voltag…
The SparkFun Variable Load is a quick to assemble kit that has been designed to allow users to draw a specific amount of curr…
The KTA-223 Relay Board is a USB or RS485 controlled module that can interface a PC to eight or more SPDT relays. This could …
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 per…
MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy …
This R-78E DC/DC Converter is a switching regulator module that has been designed to offer all the advantages of a switching …
This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barr…
The Power Dock 2 allows you to use any 3.7V LiPo battery to power your Omega and then charge the battery when it’s out of j…
This Relay Shield v2.0 from Evil Mad Scientist is a simple Arduino add-on that gives your Arduino the ability to control a si…
This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1…
These are massive single pole - double throw (SPDT) sealed relays. This means that when current is applied to the coil it thr…
The SparkFun ESP32 Thing Power Control Shield enables the ESP32 Thing to switch up to 5A of a DC load, providing a wide varie…
This is a right-angle, 24-pin Molex Mini-Fit Jr.™ connector, commonly used as the power supply connector on [ATX](http://en…
These are high quality, general purpose, Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, an…
The Relay Expansion Board enables your Omega to control two other independent electrical circuits. The circuits are isolated …
This is a 24-pin Molex Mini-Fit Jr.? connector, commonly used as the power supply connector on [ATX](http://en.wikipedia.org/…
The Powercast P2110B Powerharvester is an RF energy harvesting device that converts RF to DC. Housed in a compact SMD packa…
These are handy two pole - double throw (2PDT) sealed relays.
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