UNO R3-Compatible ATmega328P Development Board
UNO R3-Compatible ATmega328P Development Board
UNO R3-Compatible ATmega328P Development Board
Learning Electronics
Research-based profileNot hands-on tested unless explicitly stated.Page updated Sep 11, 2026.How we evaluate

UNO R3-Compatible ATmega328P Development Board

From $3.78

A research-based profile of a third-party UNO R3-compatible ATmega328P board, with explicit compatibility, driver, bootloader, voltage, cable, and project-completeness checks.

Before opening the merchantConfirm the exact board or circuit, power, components, tools, instructions, software, and total project cost.
Check the complete project cost

View current listing (non-affiliate)

SKU: GJ-AE-1005007390158859 Category:
Quick take: Our take: a solid Learning Electronics option at $3.78 ? compare it with the alternatives in our guide before buying. Read our buying guide.
Best forCircuit building, microcontroller projects, soldering practice, and functional electronics.
EvidenceNo marketplace feedback sample was captured. Verify the current seller, buyer feedback, kit variant, and return terms.
Check before buyingConfirm whether this is a complete project or a component, plus tools, power, instructions, board revision, and software.

Non-affiliate merchant link: no commission is currently tracked for this listing. Price, bundle, shipping, and availability are set by the seller.

Independent buying context · STEM learning

How to evaluate UNO R3-Compatible ATmega328P Development Board

Use this as a low-cost controller candidate only if you already have the sensors, breadboard, wires, power hardware, and project guidance. It is a third-party compatible board, not an official Arduino UNO and not a complete starter kit.

Good fit when

Makers replacing a board or assembling their own parts list who understand 5 V logic, can verify the USB interface and bootloader, and accept limited seller support.

Pause before buying when

The USB interface chip, bootloader, board revision, included cable, voltage behavior, pin labeling, driver requirement, seller quality control, or return route is unclear.

Current specification snapshot

Listing identityThe seller describes an ATmega328P UNO R3-compatible development board with pin headers and a cable.
Official reference baselineArduino documents the official UNO R3 as a 5 V ATmega328P board with 14 digital I/O pins, 6 analog inputs, 6 PWM outputs, and a 16 MHz clock.
Compatibility warningA third-party board may use a different USB-to-serial chip, components, connector, bootloader, or quality-control process.
Project completenessA controller board alone does not include the breadboard, sensors, actuators, power components, or instructions needed for most projects.

Verify the selected listing variant

  • ATmega328P marking, board revision, 5 V logic, headers, pin labels, and oscillator
  • USB connector, USB-to-serial chip, driver requirement, bootloader, and upload test
  • A data-capable cable is included rather than a charging-only cable
  • Required breadboard, wires, sensors, actuators, power, tools, and project instructions
  • The seller does not imply official Arduino manufacture; inspect recent feedback and returns
Evidence and testing limit: The official Arduino documentation is used only as a design-reference baseline. GadgetJoy has not verified that this third-party board matches official electrical behavior, component quality, certification, or support. GadgetJoy has not hands-on tested this item. Marketplace price, bundle, software, and availability can change. Profile reviewed Sep 11, 2026.

Primary or technical references: Official Arduino UNO R3 documentation · Official Arduino UNO Rev3 specifications

Check the true project costExplore STEM learning

Related products

Scroll to Top