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Logic voltage first, then pins, then the wireless it really has · review

ELEGOO UNO R3 Board review

An Uno-compatible board with the same ATmega328P and ATmega16U2 USB chip as the original, with a USB cable, for about $17.

By

Compatible

The ATmega16U2 means normal Arduino USB behavior.

Value

A saving of about $10.

Note

Breadboards and sensors are not included.

Prices quoted in this text are dated readings and can differ from the live price in the buy box.

Where it earns its place, and where it falls short

Strengths

  • $10 less than the original
  • Same USB chip as the original
  • Cable included

Compromises

  • Not genuine Arduino
  • No wireless
  • Board only

Specifications

MCUATmega328P + ATmega16U2
Clock16 MHz
Memory32 KB flash
I/O14 digital, 6 analog
IncludedUSB cable
Amazon ASINB01EWOE0UU

Questions makers ask before buying

Does it work with Arduino IDE?

Yes.

Is a USB cable included?

Yes.

Our score

8.5/ 10

The best value Uno.

This one against the other workshop machines

workshop machines from the same category, at nearby prices. Only what all of them publish is shown: a column with holes compares nothing.

Model Price MCU
ELEGOO UNO R3 Board $17 ATmega328P + ATmega16U2
Raspberry Pi Pico 2 W $17 RP2350: Cortex-M33 or RISC-V, 150 MHz
Arduino Nano ESP32 with Headers $19 ESP32-S3, dual-core, 240 MHz
FREENOVE ESP32 2-Pack $19 ESP32, dual core, 240 MHz

What sets the models apart, in workshop machines

  • If price decides: this model, at $17.

What use this one answers, among workshop machines

A learner on a budget.

Sources

Specifications: the manufacturer sheet for maker machines and tools and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.

What we judge these workshop machines on

More from the workbench

All microcontroller boards compared