Skip to main content
Home / Development Boards & Control Boards / UNO R3 Improved Development Board CH340 Driver ATmega328P Microcontroller Module Compatible with Arduino

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller ATmega328P
Operating Voltage 5V DC
Input Voltage (Recommended) 7-12V
Input Voltage (Limits) 6-20V
Digital I/O Pins 14
PWM Channels 6
Analog Input Pins 6
DC Current per I/O Pin 20 mA
Flash Memory 32 KB
USB Interface Chip CH340

5 reviews

A

Anonymous

Apr 01, 2026

Rating: 5/5

Excellent for Learning

Great board for students and hobbyists. Works flawlessly with the Arduino IDE after installing the CH340 driver.

A

Anonymous

Mar 30, 2026

Rating: 5/5

Great Bulk Price

Bought 10 for our robotics club. All boards were functional and consistent in performance.

A

Anonymous

Mar 25, 2026

Rating: 4/5

Works as Expected

Had to install drivers manually on Windows 10, but once set up, it functions perfectly for my projects.

A

Anonymous

Mar 18, 2026

Rating: 4/5

Standard Layout

Fits all my existing shields without modification. Pinout matches the standard Uno R3 specification.

A

Anonymous

Jan 22, 2026

Rating: 5/5

Reliable Performance

Using this for home automation sensors. Stable connection and good build quality for the price point.

5 FAQ

Q: Does it come with a USB cable?

A: No, this listing is for the board only. USB cable is sold separately.

Q: What driver do I need?

A: You need to install the CH340 USB-to-Serial driver for your operating system.

Q: Can it handle 12V input?

A: Yes, 12V is within the recommended input voltage range of 7-12V.

Q: Is this Arduino IDE compatible?

A: Yes, fully compatible. Simply select Arduino Uno from the board manager.

Q: Is the chip removable?

A: Yes, the ATmega328P is mounted in a DIP socket and can be replaced.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Automatic Feeder - Stainless Steel Food Machinery Accessory Equipment

Automatic Feeder - Stainless Steel Food Machinery Accessory Equipment

$20,150.00

Henkel Loctite Super Glue Series: 401, 406, 460, 480, 495, 4011, 4161, 496, 382, 410

Henkel Loctite Super Glue Series: 401, 406, 460, 480, 495, 4011, 4161, 496, 382, 410

$28.00

Over-Toilet Storage Rack with Tissue Organizer for Bathroom, Vanity, and Shower Gel - Multi-Use Bathroom Shelf

Over-Toilet Storage Rack with Tissue Organizer for Bathroom, Vanity, and Shower Gel - Multi-Use Bathroom Shelf

$27.66

15-inch Carbon Fiber FPV Drone Frame - High-Strength Quadcopter Aerial Photography Chassis Direct Sale

15-inch Carbon Fiber FPV Drone Frame - High-Strength Quadcopter Aerial Photography Chassis Direct Sale

$396.44

Petal-Shaped Ceramic Tea Scoop and Holder for Gongfu Tea Ceremony

Petal-Shaped Ceramic Tea Scoop and Holder for Gongfu Tea Ceremony

$97.00

Scented Candle Waxing Cotton Wick with Base Wick Fixer Sticker DIY Materials

Scented Candle Waxing Cotton Wick with Base Wick Fixer Sticker DIY Materials

$0.35

Stainless Steel Fish Tank Converter - Bucket to Aquarium Adapter with Inverted Stand and Faucet Spout for Mineral Water Jugs

Stainless Steel Fish Tank Converter - Bucket to Aquarium Adapter with Inverted Stand and Faucet Spout for Mineral Water Jugs

$13.58

Non-woven Cleaning Cloths, Lint-free Wiping Rags, Oil-absorbing Paper, Machine Cleaning Cloth, Dust Removal Cloth for Subway Use (No Washing Required)

Non-woven Cleaning Cloths, Lint-free Wiping Rags, Oil-absorbing Paper, Machine Cleaning Cloth, Dust Removal Cloth for Subway Use (No Washing Required)

$138.00

Large Paint Brush Set - Watercolor Pen Kit for Children's Day Art and Drawing

Large Paint Brush Set - Watercolor Pen Kit for Children's Day Art and Drawing

$31.25

Foldable Car Tire Stone Removal Tool, Explosion-Proof Scraper Hook for Extracting Pebbles from Tires

Foldable Car Tire Stone Removal Tool, Explosion-Proof Scraper Hook for Extracting Pebbles from Tires

$19.53

Black Swan Watercolor, Gouache, and Acrylic Paint Brush Set - Professional Art Painting Tools for Numbered Paint-by-Number Kits

Black Swan Watercolor, Gouache, and Acrylic Paint Brush Set - Professional Art Painting Tools for Numbered Paint-by-Number Kits

$6.80

Jiangchuan 800 Roll-to-Roll Oil-Heated Roller Heat Transfer Machine – Digital Sublimation Printer for Curtain Fabric Rolls

Jiangchuan 800 Roll-to-Roll Oil-Heated Roller Heat Transfer Machine – Digital Sublimation Printer for Curtain Fabric Rolls

$147,743.75

Traditional Handcrafted Wooden Rattle for Newborns – Safe for Teething, Intangible Cultural Heritage Toy

Traditional Handcrafted Wooden Rattle for Newborns – Safe for Teething, Intangible Cultural Heritage Toy

$10.10

All-Season Quiet and Comfortable Vacuum Tires for Buick Enclave 2013-2014 - Custom Fit, Wear-Resistant

All-Season Quiet and Comfortable Vacuum Tires for Buick Enclave 2013-2014 - Custom Fit, Wear-Resistant

$458.00

Mia Core Paper Stump and Blending Knife Set, Double-Ended Blending Pen for Sketching, Art Student Drawing Tools (S/M/L)

Mia Core Paper Stump and Blending Knife Set, Double-Ended Blending Pen for Sketching, Art Student Drawing Tools (S/M/L)

$4.28

Feileniao Gongbi Painting Draft Sheets – Pre-Outlined Bird-and-Flower Designs on Sized Xuan Paper for Color Filling Practice

Feileniao Gongbi Painting Draft Sheets – Pre-Outlined Bird-and-Flower Designs on Sized Xuan Paper for Color Filling Practice

$8.42

Automatic Retractable Air Hose Reel, Electronic Drum, Water Drum, Yarn Clamp, Air Pump Hose for Auto Repair, Beauty, Gardening, and Washing

Automatic Retractable Air Hose Reel, Electronic Drum, Water Drum, Yarn Clamp, Air Pump Hose for Auto Repair, Beauty, Gardening, and Washing

$280.00

LA Curved Surface Screen Printing Machine - Automatic Cup Printer, Cylindrical Net Printer for Cosmetic Bottles

LA Curved Surface Screen Printing Machine - Automatic Cup Printer, Cylindrical Net Printer for Cosmetic Bottles

$26,750.00

Bathroom Toilet Storage Rack - Over-Toilet Shelf for Bathroom, Restroom, Washing Machine with Flip Lid - Space-Saving Organizer

Bathroom Toilet Storage Rack - Over-Toilet Shelf for Bathroom, Restroom, Washing Machine with Flip Lid - Space-Saving Organizer

$59.00

Heavy-Duty Chain Slings for Lifting Rebar and Steel - Manganese Steel Lifting Chains

Heavy-Duty Chain Slings for Lifting Rebar and Steel - Manganese Steel Lifting Chains

$113.00

Toilet Storage Rack - No-Drill Bathroom Organizer for Restrooms and Washrooms

Toilet Storage Rack - No-Drill Bathroom Organizer for Restrooms and Washrooms

$14.80

Shuhai Blanching and Scalding Machine Fully Automatic Fresh Steam FVJ Vegetable Cooking and Cooling Equipment Enoki Mushroom Shiitake Blanching Flow Cooling

Shuhai Blanching and Scalding Machine Fully Automatic Fresh Steam FVJ Vegetable Cooking and Cooling Equipment Enoki Mushroom Shiitake Blanching Flow Cooling

$18,900.00

PELICAN 1020 Waterproof Case - Compact Protective Box for Earphones with Free Shipping

PELICAN 1020 Waterproof Case - Compact Protective Box for Earphones with Free Shipping

$40.00

Marie's Collapsible Brush Washing Bucket Art TEP Watercolor Chinese Painting Brush Rinser Portable Silicone Extendable Small Paint Washing Bucket for Art Students

Marie's Collapsible Brush Washing Bucket Art TEP Watercolor Chinese Painting Brush Rinser Portable Silicone Extendable Small Paint Washing Bucket for Art Students

$12.50

Duosoduoxi Black Series Paper Blending Stumps (6-Pack) - Elastic Xuan Paper Tools for Art Exams and Sketch Highlighting

Duosoduoxi Black Series Paper Blending Stumps (6-Pack) - Elastic Xuan Paper Tools for Art Exams and Sketch Highlighting

$5.10

Factory Direct 502 Super Glue - Instant Adhesive, 3-Second Bond, High-Strength Fast-Drying Glue for Furniture and Wood Repair

Factory Direct 502 Super Glue - Instant Adhesive, 3-Second Bond, High-Strength Fast-Drying Glue for Furniture and Wood Repair

$1.28

NORTON Industrial Red Scouring Pad for Stainless Steel Brushing, Polishing, and Rust Removal – Fine Grit Abrasive Cloth

NORTON Industrial Red Scouring Pad for Stainless Steel Brushing, Polishing, and Rust Removal – Fine Grit Abrasive Cloth

$17.50

Bucket Pack Soft-Tip Glitter Markers, Non-Toxic Washable Color Pens for Student Art and Drawing, Gel Highlighters

Bucket Pack Soft-Tip Glitter Markers, Non-Toxic Washable Color Pens for Student Art and Drawing, Gel Highlighters

$2.99

6-Piece Nylon Brush Set for DIY Aromatherapy Candles, Plaster Coloring, Outlining, Detailing, Gouache, Acrylics, and Baking

6-Piece Nylon Brush Set for DIY Aromatherapy Candles, Plaster Coloring, Outlining, Detailing, Gouache, Acrylics, and Baking

$1.28

Activated Carbon Filter, Quartz Sand Filter, Fiber Ball Filter, Wastewater Filter, Environmental Protection Equipment

Activated Carbon Filter, Quartz Sand Filter, Fiber Ball Filter, Wastewater Filter, Environmental Protection Equipment

$45,000.00