Overview The Waveshare RP2040-Zero Microcontroller is an ultra-compact development board powered by the Raspberry Pi RP2040 dual-core chip. Despite its tiny size, it delivers outstanding performance and flexibility, making it ideal for embedded applications, IoT projects, and Raspberry Pi Pico-based developments. Key Features Feature Description Powerful Dual-Core Processor Equipped with a dual-core ARM Cortex M0+ running up to 133MHz, the RP2040-Zero offers efficient multitasking and fast processing for all your projects. 2MB Onboard Flash Memory Includes 264KB SRAM and 2MB Flash, providing stable storage for programs and data. Ultra-Mini Design Compact stamp-hole form factor allows direct soldering onto custom PCBs, ideal for integrating into small or space-limited designs. Rich GPIO Interface Exposes 29 multifunction GPIO pins (20 available via header) supporting SPI, I2C, UART, ADC, and PWM protocols. Easy Programming via USB Features USB Type-C connectivity and supports drag-and-drop programming, appearing as a mass storage device for effortless firmware uploads. Advanced Hardware Support Includes 8 programmable I/O (PIO) state machines, a temperature sensor, and a precise internal clock for advanced control applications. Available Versions Choose the version that best fits your workflow: RP2040-Zero (Without Header Pins) – HK$49Perfect for direct integration into custom PCB layouts. RP2040-Zero (With Pre-soldered Header Pins) – HK$59Ready to use out of the box for prototyping and breadboard projects. Ideal For Embedded system developers DIY electronics and IoT creators Robotics, automation, and hardware prototyping Why Choose Waveshare RP2040-Zero Compact yet powerful, this board delivers full RP2040 performance in a credit-card-size form, designed for engineers and hobbyists who need maximum performance in minimal space.