Over 15 years

professional experience

Easy returns

up to 30 days

Over 1 000 000

shipped orders

Fast shipping

all across the EU

Next shipment on Friday

Wishlist

Sonoff POWR3 - smart switch with WiFi current measurement function - Android/iOS app

Index: INN-25495

3D Printer - Creality Ender-3 V2 Neo - Outlet

Index: OUT-25668

New
On sale!
Promotion

DC/AC step-up converter Green Cell 12VDC/230VAC 1000W/2000W - with modified sine wave -...

Index: GRE-24516

Neje DK-8-KZ Laser Plotter - 3000mW - Outlet

Index: OUT-25666

New
On sale!
Promotion

3D printer - Creality Hi

Index: CRL-25979

ReSpeaker Lite USB 2 Mic Array - module with 2 microphones - AI - Raspberry...

Index: SEE-25652

Numato Lab - 32-channel Ethernet GPIO module with analogue inputs - header on top -...

Index: NUM-25541

Limit switch 50mm - Pololu 1403

Index: PLL-00017

All new products

Filament Spectrum S-FLEX 90A 1,75mm 0,5kg - Pacific Blue

Index: SPC-14149

Reduced price
Promotion

Plastic case Maszczyk KM-62+PG ABS - 72x72x55mm - black

Index: MSZ-14195

On sale!
Promotion

MC33926 2-channel motor driver 28V/3A - Shield for Arduino - Pololu 2503

Index: PLL-01417

On sale!
Promotion

SM-XD cable - for auto leveling sensor - 2m

Index: DNG-21528

Reduced price
Promotion

SenseCAP M4 Square - FluxNode - SeeedStudio 110991865

Index: SEE-22487

Reduced price
Promotion

MakeBlock 90040 - Ultimate Robot Kit 2.0 - compatible with Arduino and Scratch

Index: ROB-09550

Reduced price
Promotion

Plastic case Maszczyk KM-180 ABS - 169x85x30mm black

Index: MSZ-14204

On sale!
Promotion

SparkFun MicroMod - RP2040 - DEV-17720

Index: SPF-18866

On sale!
Promotion

reTerminal E10-1 - PoE/UPS, Gigabit Ethernet, LTE/4G/5G/LoRaWAN, RS485/232, CAN, SATA...

Index: SEE-22127

Reduced price
Promotion

Pi Shield - shield for Arduino

Index: ABE-11713

Reduced price
Promotion

RP2040 Stamp Round Carrier - base board for RP2040 microcontroller - 16 NeoPixels LEDs...

Index: PIM-22456

Reduced price
Promotion

Core429I module - STM32F4 ARM Cortex M4 - Waveshare 9116

Index: WSR-07187

On sale!
Promotion

All promotion products

Arduino power supply

Arduino is a simple board of small size with great potential for extension. It can be used for simple meteorological stations as well as advanced building automation systems. Arduino modules are chosen by experienced electronics engineers and amateur DIY enthusiasts. The tiles can be used in many ways. However, in order for the resulting device to function and its potential to be fully utilized, an appropriate power supply is necessary. It is possible to choose the way of powering Arduino. The easiest way is to connect USB cable. The alternative is external power supply, which you can connect in several ways, choosing the best and most suitable one for your project and your convenience. Without proper power supply Arduino will not fulfill its intended function. The system will not work and its lifetime will be limited. It will also lose its reliability, for which Arduino is appreciated by professionals and amateurs.

Expand... Collapse...

Sort by:

Quantity:

Products: 5

Power supply justPi 12V/2. 5A for Arduino - DC plug 5,5/2,1mm

A switching power supply from justPi with parameters enabling optimal power supply of the Arduino module. This power supply is equipped with a compatible 5.5/2.1 mm DC...

5.0 (10)

Index: JUS-22694

Index: JUS-22694

Power supply 12V/1A desktop - plug DC 5,5/2,1mm

Stabilized mains power supply. Supply voltage: 100 V - 240 V. Output voltage: 12 VDC. Output current to 1.0 A. It has fittings for mounting on the desk top.

Index: ZAS-07358

Index: ZAS-07358

Solar Charger Shield v2.2 - shield for Arduino

Module for connecting a mobile power source for Arduino. It allows you to power the microcontroller from any battery voltage from 3 V to 4.2 V or solar panel voltage from 4.8 V...

Index: SEE-04429

Index: SEE-04429

Power supply 12V/5A DC 5,5/ 2,1mm

Stabilized mains power supply. Supply voltage: 100 V to 240 V. Output voltage: 12 VDC. Output current: 5 A.

5.0 (7)

Index: ZAS-06761

Index: ZAS-06761

Power supply MW Power 12V/5A - plug DC 5,5/2,1mm

Stabilized mains power supply. Supply voltage: 100 V to 240 V. Output voltage: 12 VDC. Output current: 5 A.

4.9 (9)

Index: ZAS-07356

Index: ZAS-07356

Arduino power methods

The most basic and obvious method of providing power supply to all Arduino circuits is, of course, connecting it to a computer via a USB cable. This solution immediately provides the ability to communicate via a virtual serial port, because this is how Arduino is visible in all supported operating systems. However, USB power supply has its drawbacks - in the USB 2.0 standard it can provide a current of up to 500 mA, which is not enough for most engines and many other actuating elements. In such situations, it is worth considering powering the board through the DC socket (available, among others, in Arduino UNO and Arduino Mega). In this way, more energy can be supplied to the Vin line, from which other components can be powered.

Arduino-compatible power supplies

In this category you will find a number of plug-in and desktop power supplies that will allow you to power Arduino via a 5.5/2.1 mm DC plug. Plug-in power supplies usually offer lower current capacities, but their dimensions are very small - similar to typical mobile phone chargers. Power supplies in desktop housings have slightly larger dimensions and - in most cases - have a detachable network cable terminated with one of the typical plugs (usually "eight" or "clover"). Our offer includes plug-in power supplies with a capacity of 1.5 A to 2.5 A and desktop power supplies from 1 A to 5 A; all offer an output voltage of 12V or 5V ().

Solar Charger Shield – ecological power supply for your Arduino!

If you are interested in applications of renewable energy sources or you need an inexhaustible power source for your new device, be sure to check out the possibilities of the inexpensive but very functional Solar Charger Shield. Thanks to it, you can power the Arduino board using a 1S 3.7 V lithium-polymer battery, charged by a solar panel with a voltage in the range of 4.8 to 6 V. The shield also allows you to work with batteries with a voltage of 3 to 4.2 V, and also with a micro USB port. What is very important, in the factory configuration, the power supply does not occupy any microcontroller signal lines, so it does not in any way limit the possibility of using Arduino in the target application.

Power supply for Arduino - FAQ

How is Arduino powered?

Arduino boards most often operate on power available from the USB port. It provides 5 V DC voltage and can be powered externally from a computer port, from a power supply and shield or from a portable power bank . Another interesting Arduino power option is the Solar Charger Shield .

Which battery for Arduino?

The supply voltage should be in the range of 6V-20V. The recommended range is 7V-12V. Low voltage may lead to unstable operation of the system, and high voltage may lead to overheating. You will find a wide selection of batteries at Botland - we offer lithium-polymer LiPol batteries .