UNO R3 Arduino Development Board

Micro controller: ATmega328, Input Voltage (limits): 6-20V, Digital I/O Pins: 14 (of which 6 provide PWM output).

Aliexpress

There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:

Image Product (link) Price Coupons
R3 Development Board WeMos WiFi R3 ATMEGA328P/PB Chip CH340G For UNO R3  Arduino Development Board WeMos ESP8266 R3 Development Board WeMos WiFi R3 ATMEGA328P/PB Chip CH340G For UNO R3 Arduino Development Board WeMos ESP8266 $0.24
Smart Electronics  R3 Mega328P CH340G Development Board for arduino Diy Starter Kit Send shell for UNO R3 arduino Smart Electronics R3 Mega328P CH340G Development Board for arduino Diy Starter Kit Send shell for UNO R3 arduino $1.21
For UNO R3 Development Board ATMEGA328P CH340 / ATEGA16U2 Compatible For Arduino with Cable R3 Proto Shield Expansion Board For UNO R3 Development Board ATMEGA328P CH340 / ATEGA16U2 Compatible For Arduino with Cable R3 Proto Shield Expansion Board $1.32
CNC Shield V3 engraving machine 3D Printer+ 4pcs A4988 / DRV8825 driver expansion board for Arduino + UNO R3 with 30cm USB cable CNC Shield V3 engraving machine 3D Printer+ 4pcs A4988 / DRV8825 driver expansion board for Arduino + UNO R3 with 30cm USB cable $1.39
UNO R3 CH340 Official Box Case WiFi Original ATMEGA328P Chip Shell CH340G For Arduino Development Board WeMos ESP8266 UNO R3 CH340 Official Box Case WiFi Original ATMEGA328P Chip Shell CH340G For Arduino Development Board WeMos ESP8266 $1.53
MINI L293D Motor drive expansion Development board Motor drive module for Arduino UNO MEGA2560 R3 MINI L293D Motor drive expansion Development board Motor drive module for Arduino UNO MEGA2560 R3 $1.76
UNO R3 Development Board ATMEGA328P CH340 / ATEGA16U2 Compatible For Arduino R3/R4 UNO Proto Shield Expansion Board With Cable UNO R3 Development Board ATMEGA328P CH340 / ATEGA16U2 Compatible For Arduino R3/R4 UNO Proto Shield Expansion Board With Cable $1.92
New ATTINY85 Digispark Kickstarter Miniature Module For Arduino Usb ATTINY85 Development Board Compatible With UNO R3 New ATTINY85 Digispark Kickstarter Miniature Module For Arduino Usb ATTINY85 Development Board Compatible With UNO R3 $2.42
DIYTZT ESP8266 ESP-12E UART WIFI Wireless Shield Development Board For Arduino UNO R3 Circuits Boards Modules ONE DIYTZT ESP8266 ESP-12E UART WIFI Wireless Shield Development Board For Arduino UNO R3 Circuits Boards Modules ONE $2.85
No��ESP8266 ESP-12E UART WIFI Wireless Shield Development Board For Arduino UNO R3 Circuits Boards Modules ONE No��ESP8266 ESP-12E UART WIFI Wireless Shield Development Board For Arduino UNO R3 Circuits Boards Modules ONE $3.01
TZT UNO R3 LGT8F328P CH340G Development Board 16Mhz  For Arduino UNO R3 Replacement ATmega328P TZT UNO R3 LGT8F328P CH340G Development Board 16Mhz For Arduino UNO R3 Replacement ATmega328P $3.01
UNO R3 Official ATMEGA16U2 / UNO+WiFi R3 MEGA328P Chip CH340G For Arduino UNO R3 Development Board WeMos ESP8266 UNO R3 Official ATMEGA16U2 / UNO+WiFi R3 MEGA328P Chip CH340G For Arduino UNO R3 Development Board WeMos ESP8266 $3.05
Atmega328P microcontroller development board Arduino UNO R3 improved version C language programming motherboard kit Atmega328P microcontroller development board Arduino UNO R3 improved version C language programming motherboard kit $3.08
1Set UNO R3 Official Box ATMEGA16U2 / UNO+WiFi R3 MEGA328P Chip CH340G For Arduino UNO R3 Development Board WeMos ESP8266 1Set UNO R3 Official Box ATMEGA16U2 / UNO+WiFi R3 MEGA328P Chip CH340G For Arduino UNO R3 Development Board WeMos ESP8266 $3.08
ESP-12E WeMos D1 UNO R3 CH340 CH340G WiFi Development Board Based ESP8266 Shield Smart Electronic PCB For Arduino Compatible IDE ESP-12E WeMos D1 UNO R3 CH340 CH340G WiFi Development Board Based ESP8266 Shield Smart Electronic PCB For Arduino Compatible IDE $3.37
UNO R3 Development Board ATmega328P CH340 CH340G For Arduino UNO R3 With Straight Pin Header UNO R3 Development Board ATmega328P CH340 CH340G For Arduino UNO R3 With Straight Pin Header $3.42
UNO R3 CH340G+MEGA328P SMD Chip 16Mhz For Arduino UNO R3 Development Board USB CABLE ATEGA328P One Set UNO R3 CH340G+MEGA328P SMD Chip 16Mhz For Arduino UNO R3 Development Board USB CABLE ATEGA328P One Set $3.89
1-10pcs UNO R3 CH340G MEGA328P Chip UNO R3 with USB/TYPE-C CABLE ATMEGA328P-AU Development Board 16Mhz for Arduino 1-10pcs UNO R3 CH340G MEGA328P Chip UNO R3 with USB/TYPE-C CABLE ATMEGA328P-AU Development Board 16Mhz for Arduino $3.89
ESP-12 WeMos D1 UNO R3 CH340 CH340G WiFi Development Board Based ESP8266 Shield Smart Electronic PCB For Arduino Compatible IDE ESP-12 WeMos D1 UNO R3 CH340 CH340G WiFi Development Board Based ESP8266 Shield Smart Electronic PCB For Arduino Compatible IDE $3.96
For Wemos D1 Mini For Arduino For UNO R3 D1 R32 ESP32 WIFI Wireless For Bluetooth Development Board CH340 4M Memory One For Wemos D1 Mini For Arduino For UNO R3 D1 R32 ESP32 WIFI Wireless For Bluetooth Development Board CH340 4M Memory One $4.01
ESP-12E WeMos D1 R2 UNO R3 CH340 CH340G WiFi Development Board Based ESP8266 Shield Smart Electronic For Arduino Compatible IDE ESP-12E WeMos D1 R2 UNO R3 CH340 CH340G WiFi Development Board Based ESP8266 Shield Smart Electronic For Arduino Compatible IDE $4.05
ATmega328P R3 Development Board with USB Cable Compatible with Arduino IDE, WWZMDiB UNO R3 Board, 2.54mm Straight Pin Header ATmega328P R3 Development Board with USB Cable Compatible with Arduino IDE, WWZMDiB UNO R3 Board, 2.54mm Straight Pin Header $4.24
1Set UNO R3 Official Box ATMEGA16U2 / UNO+WiFi R3 MEGA328P Chip CH340G For Arduino UNO R3 Development Board WeMos ESP8266 1Set UNO R3 Official Box ATMEGA16U2 / UNO+WiFi R3 MEGA328P Chip CH340G For Arduino UNO R3 Development Board WeMos ESP8266 $4.27
UNO+WiFi R3 ATmega328P+ESP8266 CH340 (32Mb memory) 6V-9V USB-TTL CH340G For Arduino NodeMCU WeMos One Development board UNO+WiFi R3 ATmega328P+ESP8266 CH340 (32Mb memory) 6V-9V USB-TTL CH340G For Arduino NodeMCU WeMos One Development board $4.76
Development Board with CH340G USB-to-Serial Chip & ATmega328P SMD Chip for Arduino UNO R3, Includes  and ATEGA328P Chip Set Development Board with CH340G USB-to-Serial Chip & ATmega328P SMD Chip for Arduino UNO R3, Includes and ATEGA328P Chip Set $4.93
For UNO R3 Official ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE For UNO R3 Official ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE $4.93
high quality One set UNO R3 Official Box ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE high quality One set UNO R3 Official Box ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE $5.04
For UNO R3 Official ATMEGA16U2 / UNO+WiFi R3 MEGA328P Chip CH340G For Arduino UNO R3 Development Board WeMos ESP8266 For UNO R3 Official ATMEGA16U2 / UNO+WiFi R3 MEGA328P Chip CH340G For Arduino UNO R3 Development Board WeMos ESP8266 $5.38
Shield Ethernet Shield W5100 R3 UNO Mega 2560 1280 328 UNR R3 W5100 Development board for arduino Shield Ethernet Shield W5100 R3 UNO Mega 2560 1280 328 UNR R3 W5100 Development board for arduino $5.47
MassDuino UNO R3 LC MD-328D 5V 3.3V Development Board for Arduino UNO R3 Compatible Low Cost High Performance 10 12 16bit ADC MassDuino UNO R3 LC MD-328D 5V 3.3V Development Board for Arduino UNO R3 Compatible Low Cost High Performance 10 12 16bit ADC $6.14
UNO Shield Ethernet Shield W5100 R3 UNO Mega 2560 1280 328 UNR R3 only W5100 Development board For Arduino UNO Shield Ethernet Shield W5100 R3 UNO Mega 2560 1280 328 UNR R3 only W5100 Development board For Arduino $6.24
UNO+WiFi R3 ATmega328P+ESP8266 CH340 (32Mb memory) 6V-9V USB-TTL CH340G For Arduino NodeMCU WeMos One Development board UNO+WiFi R3 ATmega328P+ESP8266 CH340 (32Mb memory) 6V-9V USB-TTL CH340G For Arduino NodeMCU WeMos One Development board $6.57
UNO Shield Ethernet Shield W5500 R3 Development board FOR arduino UNO Shield Ethernet Shield W5500 R3 Development board FOR arduino $6.82
high quality One set UNO R3 Official Box ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE high quality One set UNO R3 Official Box ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE $6.99
high quality One set UNO R3 Official Box ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE high quality One set UNO R3 Official Box ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE $7.11
UNO R3 Official ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE DIYGBA UNO R3 Official ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE DIYGBA $7.48
NEW UNOR3 Development board ATmega328P/CH340 Chip 16Mhz For Arduino UNOR3 NEW UNOR3 Development board ATmega328P/CH340 Chip 16Mhz For Arduino UNOR3 $7.77
ESP-DO ESP32 Development Board 16MB Compatible With UNO R3 / UNO R4 Interface Robot Level Exam 56 Main Control Board For Arduino ESP-DO ESP32 Development Board 16MB Compatible With UNO R3 / UNO R4 Interface Robot Level Exam 56 Main Control Board For Arduino $12.11
Shield Ethernet Shield W5100 R3 For UNO Mega 2560 1280 328 UNR R3 only W5100 Development board For Arduino GOhjmy Shield Ethernet Shield W5100 R3 For UNO Mega 2560 1280 328 UNR R3 only W5100 Development board For Arduino GOhjmy $25.46
Arduino UNO R3 Compatible Development Board | with Sensors Kit, Scratch/Mixly Programming Support Arduino UNO R3 Compatible Development Board | with Sensors Kit, Scratch/Mixly Programming Support $29.47
Arduino uno r3 development board Italy imported English version controller expansion board learning kit Arduino uno r3 development board Italy imported English version controller expansion board learning kit $44.90

Click here to search by yourself. Here are coupons that you can use.

Updated: 27-06-2025

best price,uno,r3,arduino,development,board,discount

Price history and price alert

Here is price history (for all/most countries) for UNO R3 Arduino Development Board. The lowest price was: $7.43.
Price records source(s): Gearbest
Click on image to enlarge. Price history for UNO R3 Arduino Development Board
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).

Leave a Reply

Your email address will not be published. Required fields are marked *