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This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V while allowing a ty...

Description The PiJuice 22 Watt Solar panel is the ideal way to charge and/or power your PiJuice HAT and Raspberry Pi for free when you’re in a sun...

If you have a modern smart phone you may have noticed that it comes with built in wireless charging capability called 'Qi charging.' Qi is a tradem...

Here we have your run of the mill AA battery!  Order 1, get one battery.  Order 2, get two batteries, and so on. Brand may vary.

Description The PiJuice 12 Watt Solar panel is the ideal way to charge and/or power your PiJuice HAT and Raspberry Pi for free when you’re in a sun...

The Solar Science Station is a non-soldering solar USB charger. Use it as a tool for recording solar data in the classroom and as a power supply f...

This Mini Power Meter with Voltage, Current, Watts, mAh & mWh Display (whew that is a mouth-full) is a lot like the USB In-Line Voltage and Cur...

Here's yet another addition to our family of AA battery holders. It's a holder for five (5) AA batteries, with 5" wire leads. It's black and has a ...

This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, an...

This is a beefy switching supply, for when you need a lot of power! It can supply 12V DC up to 5 Amps, running from 110V or 220V power (the plug it...

When you need to amplify, filter, add, or otherwise manipulate analog signals you'll certainly want an operational amplifier at your side. This is ...

Make a portable power brick with plenty of juice! Use Alkaline AA's for a 12V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 9.6V supp...

Your power supply problems just got SOLVED! These DC/DC converter step-down switching regulators are drop-in replacements for inefficient 78xx line...

Turn a wall adapter into a mini power supply with this incredibly useful adapter. A high quality molded 2.1mm DC barrel jack is brought out to red ...

Your power supply problems just got SOLVED! This little circuit board may look tiny but inside is a high efficiency DC/DC step-down converter which...

If you have a modern smart phone you may have noticed that it comes with built in wireless charging capability called 'Qi charging.' Qi is a tradem...

Ah the esteemed LD1117, who amongst us has not used this popular low drop voltage regulator? This big chunky regulator will help you get your 4-15V...

This is a handy little non-rechargeable CR2016 Lithium Coin Cell Battery! Sitting at 20mm diameter and is 1.6mm thick it's small but packs a punch ...