Arduino Power Supplies and Voltage Regulators

A compact 3.7 V 600 mAh lithium-ion polymer (LiPo) battery with a genuine 2-pin JST-PH connector. The battery includes built-in protection circuitr...

This is a very simple board that takes a 6-12V input voltage and outputs a selectable 5V or 3.3V regulated voltage. All headers are 0.1" pitch for ...

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

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

This 5V electromagnet provides 5kg of holding force when energised with approximately 5V DC (4–6V working range). When the power is switched off, t...

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...

A screw-terminal adapter that converts a 5.5 × 2.1 mm centre-positive DC barrel jack connection to bare wire terminals. Plug in a barrel jack power...

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

A simple single-slot 9V battery holder case with wire leads for soldering or connecting directly to your projects. Keeps your battery secure and or...

A standard-quality 9V battery clip with flylead connections. The holder is moulded in Delrin with corrosion-resistant nickel-plated springs and stu...

A standard 9V alkaline battery (Rayovac). Suitable for powering Arduino boards, breadboard projects, and other electronics — use with a voltage reg...

Raspberry Pi 8 channel Level Switching (3.5V to 5V) IO Module Logic Level Converter is able to convert signals from 5V down to 3.3V (and vice ve...

The SparkFun 5V Buck Regulator Breakout features the AP63357 from Diodes Inc., a 3.5A synchronous buck converter with a wide input voltage range of...

This isolated PoE splitter takes a unified Power over Ethernet signal from a single RJ-45 cable and separates it into data (Ethernet) and regulated...

Add a power switch to any project simply by plugging this between the power supply. This is the most useful thing you never knew you needed! You'll...

This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2...

A 10-wire splittable ribbon jumper cable with a male (pin) connector on one end and a female (socket) connector on the other. Each wire is colour-c...

These high capacity batteries are used in many desktop and notebook computers to retain date, time and configuration information while the compute...

A 500 mm extension cable with a JST-PH 2-pin socket on one end and a matching plug on the other. The colour-coded wires make it easy to verify corr...

This compact 2×2 AA battery holder connects four AA batteries in series, providing a nominal 6 V DC output (alkaline) or 4.8 V DC (rechargeable NiM...

A simple 2-way DC barrel jack splitter that lets you power two devices from a single power adapter. Plug in one standard 5.5mm/2.1mm DC barrel jack...

This USB to 2.1 mm barrel jack cable lets you power 5 V DC devices from any USB port. Simply connect the USB-A end to a computer, USB wall adapter,...

The DFRobot 2×2A DC Motor Shield uses the L298P dual full-bridge driver chip to control two DC motors at up to 2 A per channel. It stacks directly ...