RP2040-Zero Pico-Like MCU Development Board Based on Raspberry Pi RP2040 Microcontroller Chip

Overview The RP2040-Zero is a ultra-compact, low-cost, high-performance Pico-compatible microcontroller module built around the official Raspberry Pi RP2040 chip. Designed with a castellated edge module for seamless Surface-Mount (SMD) integration, it packs maximum computing power into a tiny footprint. Equipped with a modern USB Type-C interface, onboard RGB LED, and full support for both C/C++ and MicroPython ecosystems, the RP2040-Zero is an ideal hardware choice for DIY electronics projects, rapid prototyping, custom USB peripherals, and space-constrained embedded mass production applications. Key Features 🚀 High-Performance Microcontroller Architecture RP2040 Silicon Core: Dual-core Arm Cortex-M0+ processor running at up to 133 MHz with flexible clock options. On-Chip & External Storage: Includes 264KB of high-speed SRAM and 2MB of onboard NOR Flash memory. Programmable I/O (PIO): 8 x state machines for building custom hardware peripherals, interfaces, and protocol emulators. USB 1.1 Host & Device: Fully supports host and device operating modes with drag-and-drop UF2 programming via USB mass storage. 📏 Compact & Integration-Friendly Design Castellated Edge Module: Allows direct surface-mounting (SMD) onto custom carrier boards without pin headers. Modern Type-C Connector: USB Type-C port used for both power supply and high-speed firmware flashing. Onboard Controls & LED: Features independent BOOT and RESET buttons alongside a programmable WS2812 RGB LED for quick status indication. 🔌 Rich Multi-Function Peripherals 29 x Multiplexed GPIO Pins: 20 GPIOs brought out via standard pin headers, with the remaining accessible via soldering pads. Hardware Interfaces: Includes 2x SPI, 2x I2C, 2x UART, 4x 12-bit ADC channels, and 16x controllable PWM channels. Integrated Sensors: On-chip accurate temperature sensor, clock, and hardware timers. 🛠️ Flexible Software Ecosystem Multi-Language Support: Fully compatible with official C/C++ SDK and MicroPython. IDE Support: Works smoothly with Thonny IDE, Visual Studio Code, and Arduino IDE. Power Management: Features low-power sleep and dormant modes for battery-conscious applications. Important Usage Notes ⚠️ IMPORTANT NOTICE: 3.3V Logic Level: All GPIO pins operate at 3.3V logic level. Do NOT apply 5V signals directly to GPIO pins to prevent permanent damage. Firmware Flashing: To enter bootloader mode, press and hold the BOOT button while connecting the USB-C cable to your computer. RGB LED Pinout: The onboard WS2812 RGB LED is routed to GPIO16 by default. Power Safety: The 3V3 pin is strictly for 3.3V regulated output/input. Use VSYS or VUSB for 5V power input. If connecting an external battery to VSYS, install a blocking diode to prevent reverse current. Technical Specifications Feature Specification Core Processor Raspberry Pi RP2040, Dual-Core Arm Cortex-M0+ @ 133MHz Memory 264KB SRAM + 2MB Onboard NOR Flash GPIO Pins 29 GPIO pins (20 via pin headers, 9 via solder pads) Analog Inputs 4 x 12-bit ADC channels Hardware Peripherals 2x SPI, 2x I2C, 2x UART, 16x PWM channels, 8x PIO state machines Onboard Components BOOT Button, RESET Button, WS2812 RGB LED Interface USB Type-C (Power supply + Data transmission) Form Factor Castellated edge module (Supports direct SMD mounting) Supported Languages C/C++, MicroPython Board Dimensions 18.00 × 23.50 mm Packing List 1 x RP2040-Zero MCU Development Board Note: Power adapter, USB cable, and external sensors are not included in the package.