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Raspberry Pi RP2040-Zero Mini MCU Board

₦ 15,000

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+ shipping from ₦ 1,000 to LEKKI-AJAH (SANGOTEDO)

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Product details

The Raspberry Pi RP2040-Zero is an ultra-compact, low-cost microcontroller board designed by Waveshare. It packs the high-performance RP2040 dual-core ARM Cortex-M0+ processor into a form factor roughly the size of a postage stamp, making it a highly popular alternative to the larger Raspberry Pi Pico.

Specifications:

Feature	Specification
Processor	Dual-core Arm Cortex M0+ running up to 133 MHz
Memory	264KB SRAM + 2MB Onboard Flash
Interface	USB Type-C (for power and programming)
GPIO Pins	29× multi-function GPIO (20 via edge pins, 9 via solder pads)
Peripherals	2× I2C, 2× UART, 4× 12-bit ADC, 16× PWM channels
Onboard Extras	WS2812 RGB LED, Boot & Reset buttons
Software Support	MicroPython, C/C++ SDK, and Arduino IDE

Standout Features:

SMD-Friendly Castellated Module: The board features castellated edges. This lets you solder it flat as a surface-mount component directly onto custom carrier boards.
Upgraded USB-C Interface: Unlike the micro-USB connector on the standard Raspberry Pi Pico, the RP2040-Zero integrates a modern USB Type-C connector.
Onboard RGB LED: Built-in programmable WS2812 RGB LED provides instant visual feedback without needing external hardware.
Dedicated Reset Button: Includes an independent reset button next to the boot button, eliminating the need to constantly unplug the USB cable to reset the board.
Programmable I/O (PIO): Features 8 state machines that enable you to emulate custom hardware communication protocols directly on the chip.

Pinout Mapping and Architecture:

The 29 GPIO pins are split to preserve the microscopic layout. Out of these, 20 pins are easily accessible via the outer edge pinouts. The remaining 9 pins are located as internal solder points on the back or middle of the PCB. It operates efficiently using an onboard ME6217C33M5G low-dropout linear regulator (LDO), which safely supplies a maximum current of 800mA.

How to Flash Firmware:

You can seamlessly program the board using drag-and-drop mass storage over USB.

Connect a USB Type-C cable to your computer.
Press and hold the BOOT button on the board.
Plug the other end of the cable into the board while holding the button, then release it.
The board will mount to your computer like a USB flash drive.
Drag and drop your compiled .uf2 firmware file (MicroPython or C/C++) directly onto the volume.

Specifications

Key Features

Application & Project Use Cases

Due to its pocket size, hardware-level USB support, and low power sleep modes, the RP2040-Zero excels in several specific real-world domains:

1. Custom Mechanical Keyboards & Macro Pads

The RP2040 chip includes native USB circuitry, meaning the board can natively act as a Human Interface Device (HID) (a keyboard, mouse, or game controller) when plugged into a PC.

Desk Macro Pads: Makers frequently design custom 3D-printed 6-button or 9-button shortcut pads for video editing, streaming layout switches, or CAD shortcuts.
Firmware Support: It fully supports popular open-source keyboard firmwares like QMK and KMK (via CircuitPython), making per-key RGB matrices or rotary encoder knobs highly customizable.

2. Miniature Wearables & Cosplay Props

Its 23.5 × 18 mm footprint is exceptionally ideal for integration into clothing, jewelry, or props where bulk must be minimal.

Smart Garments: The board can easily handle data from tiny IMU (inertial measurement unit) sensors to track movement.
Complex Light Displays: Driving matrices of addressable RGB LEDs (WS2812B/NeoPixels) is simple using the hardware PWM channels or PIO blocks.

3. Custom PCB Carrier Boards (SMD Projects)

Because the outer pins are castellated (concave half-holes), the RP2040-Zero acts like a modular surface-mount chip component.

Engineers use it as an affordable "brain sub-assembly" for custom electronics. Instead of designing a complex circuit board with a raw RP2040 chip, crystal oscillators, voltage regulators, and USB ports, they simply drop the pre-certified RP2040-Zero onto their custom carrier PCB and reflow-solder it.

4. Retro Gaming Hardware Mods []

The RP2040-Zero has become incredibly popular within the console modding community.

Its size allows it to fit inside the tight internal casings of classic video game consoles (such as the Nintendo GameCube, Wii, or Switch).
It is often flashed with custom low-level code (like Picoboot) to bypass optical drives or load homebrew software natively.

5. IoT & Compact Smart Home Nodes

Utilizing its hardware I2C and buses, it can read various ambient sensors and talk to tiny external communication modules.

Sensor Nodes: It can pull data from air quality, temperature, or light sensors and transmit them through attached mini RF (LoRa, Zigbee) or compact Wi-Fi chips.
Actuator Control: It manages micro-servos, small relays, or mini electronic locks using its 16 PWM lines.

Software Development & Ecosystem

Getting a project running on this mini board is streamlined because it plugs directly into the massive Raspberry Pi Pico ecosystem. You can write applications using:

MicroPython / CircuitPython: Best for rapid prototyping, reading sensors, and handling macro pad logic.
C/C++ (Official Pico SDK): Essential for high-performance applications, console modding, or low-latency operations.
Arduino IDE: Highly accessible for developers moving over from standard Arduino environments.