Power Supplies

This is a pretty neat way to glow up. Light in the fiber optic cable zooms through the core by constantly bouncing off of the edge of the molded...

Simple 4 Cell AA Battery holder with 5" tinned leads, square configuration. SPECIFICATIONS Battery Quantity: 4 Battery typ...

Silicon Type Matt black Case TIP122 NPN TO-220 Specifications Type of Transformer ...

With this USB breakout you will finally be able to incorporate a USB-C connector into your projects without needing to solder each tiny SMD pad....

A switch is a switch, and an LED is an LED, but this LED illuminated button is a lovely combination of both! It's a medium sized button, large enou...

Push once to turn on, push again to turn off! This clicky switch makes a great power switch or mode toggler. We like this switch because it's bread...

Ah the venerable 7805, who amongst us has not used this popular linear regulator? This big chunky regulator will help you get your 7-35V battery...

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-pos...

This battery holder can hold 6 AA battery which can make 7.2 V rechargeable battery pack from NiMH / NiCd cells or 9V battery pack from alkaline c...

If you need to connect a DC power wall wart to a board that doesn't have a DC jack - this adapter will come in very handy! There is a 2.1mm DC jack...

This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlights first, which is fa...

With some development boards, low power usage is an afterthought. Especially when price and usability is the main selling point. So what should you...

Introducing a reliable and multifunctional emergency radio that is perfect for you and your family's safety, no matter the weather conditions or...

This battery holder can hold four AA batteries and comes with a DC 2.1 jack that offers a simpler and more secure wire connection. It is RoHS compl...

This cable will let you get rid of all those wall adapters you have stashed in the plastic bin in the basement. Instead of multiple wall warts with...

This small 8~32V to 5V 3A dual USB power step-down converter supports all 5V main controllers. Its two USB ports can output 5V/3A at the same time....

This little buck converter based on the AP3429A is super handy, taking up to 5.5V input and providing a 3.3V output with up to 1.2A current. It's g...

Here's a hand-held-size rechargeable battery pack for your Raspberry Pi (or Metro, or anything else that uses 5V!). This pack is intended for pr...

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged ...

Still using a big, bulky, traditional power adapter to charge your lithium battery? DFRobot provides you with a compact and efficient 7.4V lithi...

This brilliant invention is a blessing for makers designing or using boards with standard 2.1mm DC barrel jacks. Many devices opt against a p...

Do you want your cup to runneth over with USB ports? Do you want it to also be filled with the sweet, sweet nectar of an on-off switch? If the a...

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 s...

 INTRODUCTIONSimple 4 Cell AA Battery holder with 5" tinned leads, square configuration. This holder features a sliding, removable cover as well as...