Power Supplies

3W 4R speaker Diameter 40MM 4CM thickness 5MM with PH2.54 terminal wire length 20CName：speaker 4 ohms 3 WattDiameter      ： 40MMthickness ：5MM  Ter...

This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed regulator provides a grea...

This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed regulator provides a l...

The UPS HAT (D) is a powerful uninterruptible power supply designed for Raspberry Pi, offering seamless charging and power output with dynamic path...

Oh so handy, this little lipo charger is so small and easy to use you can keep it on your desk or mount it easily into any project! Simply plug it ...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-down...

Classic 9V connector terminated with 2-pin polarized Molex connector. 15cm in length. To supply the power to Arduino, we recommend the DC Power...

Multiple-output DC–DC converters are essential in a multitude of applications where different DC output voltages are required.This DC-DC step-down ...

Note: Includes Solar Power Manager 5V and Semi Flexible Monocrystalline Solar Panel (5V 1A). The DFRobot Solar Power Manager series are designed...

This USB to RS485 converter module( USB 1.1，USB 2.0，USB 3.0 compatible) can expand one RS485 asynchronous communication interface from a computer’s...

This battery holder is used to hold 3 zinc-manganese batteries (non-rechargeable) or 3 NiMH / NiCd batteries, which can change into a 4.5V battery ...

DFRobot is launching a brand new series - Sunflower, focusing on high-efficiency, small power solar energy management for IoT projects and renewabl...

Overview The 2 x AA Battery Holder with Switch puts a nice finishing touch on your battery powered project. This holder features a removable slidi...

Oh so adorable, this is the tiniest little lipo charger, so handy you can keep it any project box! Its also easy to use. Simply plug in the gold...

Ever go to a diner and they give you a bottle of ketchup and it says "Extra Fancy" and you're thinking to yourself "what makes this ketchup 'extra ...

Now for all of your coin cell battery surface mount needs, the 20mm SMD Coin Cell Holder. This holder fits our 20mm Lithium Ion coin cell battery a...

Electrolytic decoupling capacitors 100uF/25V. These capacitors are great transient/surge suppressors. Attach one between the power and ground of yo...

This is a 9V battery pack with on/off switch and a pre-attached 5.5mm/2.1mm center-positive barrel plug. Use this to battery-power your Arduino ...

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-positiv...

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

This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is sec...