A
Anonymous
Mar 07, 2026
Rating: 4/5
Good Value
Works well for the price. Just note that the USB cable is not included in the box.
Description
For Arduino Expert Improved Mainboard ATmega328P Compatible with UNO Development Board R3 Module
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller | ATmega328P |
| Operating Voltage | 5V |
| 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 |
| Clock Speed | 16 MHz |
5 reviews
A
Anonymous
Feb 18, 2026
Rating: 5/5
Works Great
Exactly what I needed for my robotics project. Pinout matches the official board perfectly.
A
Anonymous
Feb 09, 2026
Rating: 5/5
Excellent Quality
Pins are solid and soldering points are clear. Great for custom shield development.
A
Anonymous
Jan 23, 2026
Rating: 5/5
Fast Shipping
Board arrived quickly and functions perfectly. Using it for home automation sensors.
A
Anonymous
Jan 19, 2026
Rating: 5/5
Perfect Clone
Recognized immediately by my Mac. No driver issues encountered during setup.
5 FAQ
Q: Do I need to install specific drivers?
A: CH340 driver may be required for Windows systems. Mac and Linux usually recognize it automatically.
Q: Does this board have a 3.3V output pin?
A: Yes, there is a 3.3V pin available on the power header for external sensors.
Q: Will this fit on a standard breadboard?
A: Yes, standard pin spacing fits most full-size and half-size breadboards.
Q: Is there overcurrent protection on the USB port?
A: Yes, includes a polyfuse for USB overcurrent protection to safeguard your computer.
Q: Is this compatible with the official Arduino IDE?
A: Yes, works with standard Arduino IDE versions 1.8.x and 2.0.x.
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