Power Supplies


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81 Products Found


46225

LED Voltmeter Display 2.5-30VDC, Green

Small and self-powered, this green LED voltmeter is a handy monitoring module.

$3.50 USD

17440

Barrel Power Jack socket, 2.1mm Connection

2.1mm barrel power jack socket. For connecting barrels, I mean "power leads"!

$1.00 USD

BHoldAAA 1 Cell

1-Cell AAA Holder

Holder for single AAA size battery. 1.95" long x 0.50" x 0.50" high. Unbreakable black plastic. 6" wire leads.

$0.80 USD

BHoldAA-5cell-P

5 x AA Holder With 2.1mm Barrel Plug

It's a nice 5-AA battery holder, with 5" leads and a 2.1mm DC barrel plug.

$3.75 USD

21196

Parallax BOE-Boost

Need to add more voltage to your regular 4AA battery pack? Parallax has come up with this ingenious plug in module that adds a 5th module to your AA quad-pack holder.

$2.99 USD

42000

SLVR-1 Power Supply

It's a handy power-breakout, featuring barrel-jack input, and multiple 5V regulated, unregulated, and USB-compatible power taps.

$8.50 USD

15032

SparkFun Barrel Jack Power Switch - M-F

Instead of yanking and plugging 2.1" power connectors, toggle the power with this short inline power switch.

$2.50 USD

50515

SparkFun DC/DC Converter

Need a tidy DC-to-DC converter? This SparkFun breakout board offers 6 amperes of conversion, taking any DC voltage between 4.5-14VDC, and turning it to a selectable voltage between 0.59 and 5.5VDC.

$21.95 USD

33047

Switchable Voltage Divider

Switchable Voltage Divider is a voltage divider with switches. The switches can be used to control which resistors are used in the voltage divider.

$15.00 USD

50220

10W Step Down Adjustable Switching Regulator

The DE-SWADJ is the adjustable version of the "SW0XX" step-down voltage regulators. Using the same form-factor as a standard 78LMXX style regulator, it is a much better way to give regulated voltage to your project.

$17.45 USD

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