Waveshare RP2040‑Zero

Name: Waveshare RP2040‑Zero
Brand: Waveshare RP2040‑Zero

Compact, low‑cost board with RP2040 performance and extra I/O

hardwareDevelopment Boards microcontrollerRP2040development board

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Our Verdict

Best for

Budget‑conscious makers needing RP2040 with many I/O

Skip if

You require integrated Wi‑Fi, Bluetooth, or battery management

What is Waveshare RP2040‑Zero?

The RP2040‑Zero is a tiny development board that brings the dual‑core RP2040 microcontroller to a Pico‑compatible form factor with added peripherals. It offers 264 KB of SRAM, 2 MB of flash, and a rich set of GPIO pins, making it ideal for hobbyist projects and embedded prototypes. Built with a USB‑C connector, on‑board LEDs, and optional external antenna, the board supports Arduino, MicroPython, and the official Raspberry Pi Pico SDK. Its small footprint and affordable price make it a versatile choice for wearables, sensor hubs, and educational kits.

SpecificationsAI-estimated

msrp$4.99

weight2.5 g

warranty1 year

dimensions27 x 18 x 2.5 mm

open source✅ Yes

power sourceUSB Powered

Key Features of Waveshare RP2040‑Zero

Dual-core Arm Cortex‑M0+ processor running up to 133 MHz for high‑speed processing.

264 KB of SRAM and 2 MB of on‑board QSPI flash for ample program and data storage.

USB‑C connector provides power, programming, and serial communication in a compact package.

40 programmable GPIO pins, including PWM, I2C, SPI, and UART interfaces.

Compatible with the Raspberry Pi Pico SDK, Arduino IDE, and MicroPython for flexible development.

On‑board RGB LED and user‑programmable status LED for easy debugging and visual feedback.

Optional external antenna connector for extended Wi‑Fi or LoRa modules via add‑on boards.

Fully open‑hardware design with schematics and reference designs available on GitHub.

Use Cases for Waveshare RP2040‑Zero

Wearable Sensors

Create low‑power health or motion sensors that fit into clothing or accessories.

IoT Edge Nodes

Deploy small, network‑connected devices for data collection and actuation.

Educational Kits

Teach microcontroller programming and electronics in classrooms or workshops.

Prototype Controllers

Build custom input devices or game controllers with responsive inputs.

Pros & Cons of Waveshare RP2040‑Zero

Pros

Very low price for RP2040 performance
Compact size with USB‑C connector
Rich GPIO and peripheral support
Open‑hardware with full documentation

Cons

No built‑in Wi‑Fi or Bluetooth; requires external module
Limited flash compared to some larger boards
No built‑in battery management

Frequently Asked Questions

Does the RP2040‑Zero have built‑in Wi‑Fi?

No, Wi‑Fi or Bluetooth must be added via external modules or shields.

Can I program it with the Arduino IDE?

Yes, the board is Arduino‑compatible and can be programmed using the standard RP2040 core.

What power sources are supported?

It can be powered via USB‑C (5 V) or an external 3.3 V regulator; battery support requires additional circuitry.

Is the hardware design open source?

Yes, all schematics, PCB files, and firmware examples are released under an open‑hardware license.

Pricing Overview

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Paid (One-time)

RP2040‑Zero

$3.99 - $4.99

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Pimoroni Pico Explorer Base

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The Pico Explorer Base adds a breadboard-friendly layout and a suite of useful connectors to the Raspberry Pi Pico, making prototyping faster and more organized. It includes built-in power management, a reset button, and convenient pin headers for easy access to all GPIOs. Designed for makers, educators, and hobbyists, the board supports a wide range of add‑on modules and sensors, allowing you to build everything from simple LED blinkers to complex IoT devices. Its compact size fits neatly on a standard breadboard, while the robust PCB ensures reliable connections for long‑term projects.

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