The YD-RP2040 , often referred to as the "long piece" because of its extended form factor compared to the official Raspberry Pi Pico, is a development board that breaks out additional pins and includes extra features like a built-in WS2812 RGB LED and a User Button. Schematic and Pinout Overview
The core design follows the standard RP2040 microcontroller architecture, which requires a 3.3V supply for I/O and an internal 1.1V regulator for the digital core.
Extra GPIOs: Unlike the standard Pico, the YD-RP2040 typically exposes more pins, including GPIO23, which is often pre-wired to the RGB LED via a resistor (R68).
Power & Ground: It features standard 5V (VBUS), 3.3V, and multiple ground connections to ensure stable power delivery for complex projects.
Connectivity: Most versions use a USB-C connector instead of Micro-USB, which is more durable and supports modern cables. Key Component Specifications
Based on the board's design, several critical components support the RP2040 chip:
Flash Memory: Typically equipped with 4MB to 16MB of QSPI flash, significantly more than the standard 2MB on the original Pico.
Oscillator: Uses a 12 MHz crystal/resonator, which is the recommended speed for the RP2040's Phase-Locked Loop (PLL) and USB operation.
RGB LED: A built-in WS2812 LED is usually connected to GPIO23.
Detailed technical drawings and KiCad files for various versions can be found on repositories such as the initdc/YD-RP2040 GitHub.
For engineers reviewing the YDRP2040 schematic before PCB fabrication, follow this checklist:
Unlike standard microcontrollers, the RP2040 has no internal flash. The YDRP2040 must include an external QSPI Flash chip (e.g., W25Q16). The schematic will show a dedicated SPI interface:
Warning: If this flash connection is broken, the board will not enumerate over USB.
The YDRP2040 schematic is your roadmap to custom firmware, hardware mods, or debugging. Whether you’re adding an external sensor, re-routing I2C, or fixing a power issue, always keep a copy of the schematic (and a multimeter) nearby.
Next step: Download a schematic viewer (like KiCad or Altium) and trace the USB power path from the connector to the RP2040. You’ll learn more in 10 minutes than reading specs for an hour.
Have a specific question about a component on your YDRP2040 board? Drop a comment below or check our forum thread for pinout corrections.
, a high-performance development board by VCC-GND Studio, is based on the Raspberry Pi RP2040 microcontroller. Below are the key schematic details and resources for this specific board. Schematic Resources
You can find the official schematic and design files through these repositories: Official PDF Schematic : The full circuit diagram is available on the initdc YD-RP2040 GitHub PCB Design Files
: Altium/KiCad compatible files, including the base board layout, are hosted on vcc-gnd GitHub Technical Discussions
: Detailed hardware differences and power schematic analysis can be found on the Raspberry Pi Forums Key Design Features
differs from the standard Raspberry Pi Pico in several hardware aspects: USB Connection USB Type-C connector instead of the Pico's Micro-USB. Power Pin Labeling instead of VSYS. instead of VBUS. Integrated WS2812 RGB LED By default, the RGB LED resistor ( ) is often not connected to keep GPIO23 free for other uses.
To use the built-in LED, you must solder the two pads at the R68 position together to link it to Reset & User Buttons : Includes a dedicated Reset button
and a User button (labeled "KEY"), whereas the original Pico only has a BOOTSEL button. Arduino Forum Core RP2040 Specifications
The heart of the board follows the standard RP2040 architecture: Dual-core Arm Cortex-M0+ : Runs at up to 133 MHz.
: 264KB on-chip SRAM; typically paired with 4MB or more external Flash memory on the YD version.
: Requires 3.3V for I/O and uses an internal regulator to generate 1.1V for the core. Raspberry Pi C++ firmware to this specific board? YD-RP2040 built-in W2812 - #2 by bertrandvandeportaele
The is a popular, low-cost microcontroller board from VCC-GND Studio that serves as a feature-rich alternative to the official Raspberry Pi Pico. Understanding its schematic is essential for developers who want to leverage its added hardware, such as the USB-C port, RGB LED, and physical reset button. Core Architecture At its heart, the
uses the Raspberry Pi RP2040 chip, a dual-core ARM Cortex-M0+ processor. The schematic follows the standard minimal hardware design recommended by Raspberry Pi but introduces several optimizations for usability. Processor: Dual ARM Cortex-M0+ @ 133MHz.
Flash Memory: Available in 4MB, 8MB, or 16MB variants (W25Q series), significantly larger than the Pico’s 2MB.
Voltage Regulation: Converts 5V input (from USB or Vin) to 3.3V for the IO and 1.1V for the internal core. Key Schematic Differences
The YD-RP2040 schematic diverges from the original Pico in several functional areas: 1. Enhanced User Interface
Reset Button: Connects the RUN pin to ground via a tactile switch, allowing for easy firmware updates without unplugging the cable. USRkey: A dedicated user button connected to GPIO24. RGB LED: A built-in WS2812 RGB LED is mapped to GPIO23. 2. Power and Connectivity vcc-gnd-yd-rp2040 - crates.io: Rust Package Registry
was just missing a few creature comforts—like a reset button or a modern USB port—you likely found your way to the
. While it maintains 100% code compatibility with the Pico, its hardware layout offers several distinct advantages for developers. 1. The Core Architecture At the heart of the board is the Raspberry Pi-designed RP2040 microcontroller Go to product viewer dialog for this item.
, featuring a dual-core ARM Cortex-M0+ processor running at 133 MHz. The official YD-RP2040 Schematic reveals how this chip is integrated with its supporting components. ydrp2040 schematic
Memory: Most YD-RP2040 variants come with 16MB of QSPI Flash, significantly more than the standard 2MB on the original
Power Rail: The board utilizes an internal voltage regulator to convert 5V (from USB-C) down to the 3.3V required for I/O and the 1.1V core voltage. 2. Key Schematic Differences vs. The Original Pico
schematic includes several "quality of life" additions that change how you interact with the hardware:
USB-C Port: Replaces the older Micro-USB, providing a more robust physical connection for power and data. Reset Button (RUN Pin): On a standard , you often have to unplug the cable to reset. The
schematic breaks out the RUN pin to a physical button, allowing for easy restarts during debugging. RGB LED (WS2812B): Unlike the single-color user LED on the
includes a multi-color RGB LED, often connected to GPIO 23 or similar, allowing for complex status indicators without extra wiring. 3. Pinout & Peripheral Support
The board exposes 30 multi-function GPIO pins, four of which can serve as analog inputs. The schematic confirms support for:
The YD-RP2040 is a popular, cost-effective alternative to the official Raspberry Pi Pico, designed by VCC-GND Studio. It includes several "quality of life" improvements over the standard Pico, such as a USB-C connector, a physical Reset button, and a built-in WS2812 RGB LED. Helpful Blog Posts & Design Guides
If you are looking for technical guides or a blog-style walkthrough of the schematic, these sources are highly recommended:
Hardware Design with the RP2040 Part 1: Schematic (DigiKey): This is the gold standard for anyone designing an RP2040 board. It covers the 1.1V internal regulator, crystal requirements, and specific pin connections.
RP2040 Minimal Circuit Design (Schemalyzer): A modern guide focusing on creating custom, cost-optimized RP2040 boards from scratch.
Starfish: A Control Board with the RP2040 (Thea.codes): A detailed project blog that walks through the hardware design decisions for an RP2040-based board, including USB-C integration. Direct Schematic Links
You can find the official schematic files for the YD-RP2040 on GitHub: Official YD-RP2040 Schematic (PDF) YD-RP2040 Lite PCB/Project Files Key Differences from the Standard Pico
When working with the YD-RP2040 schematic, keep these unique hardware features in mind:
RGB LED (GPIO 23): By default, the RGB LED (WS2812) might require a solder bridge (labeled R68) to be enabled. If left open, GPIO 23 is free for other uses.
Reset Button (RUN): Unlike the official Pico, which requires you to pull the RUN pin to ground manually, the YD-RP2040 has a dedicated reset button onboard.
USB-C: The board uses a USB-C interface and includes 5.1k resistors on the CC1/CC2 pins to ensure it works correctly with USB-C to USB-C cables.
User Key (GPIO 24): There is an extra user-definable button connected to GPIO 24.
Are you planning to design a custom PCB using the RP2040 chip, or are you just looking for the pinout and wiring of the pre-made YD-RP2040 board? YD-RP2040 built-in W2812 - #2 by bertrandvandeportaele
The (often referred to as the "VCC-GND Studio" version) is a budget-friendly alternative to the Raspberry Pi Pico. While it maintains the core hardware design of the RP2040, it includes several enhancements like a USB-C port, a reset button, and an on-board RGB LED. Key Technical Specifications
Based on official documentation and community findings from sources like GitHub and VCC-GND Studio , the board differs from the standard Pico in several ways:
USB Interface: Upgraded from Micro-USB to USB-C for modern connectivity.
Storage Options: Available in various flash memory capacities, including 4MB (W25Q32), 8MB (W25Q64), and 16MB (W25Q128).
Built-in RGB LED: Connected to GPIO23. Note that a zero-ohm resistor (R68) might need to be soldered if the LED is not functioning by default.
Buttons: Includes a dedicated Reset (RUN) button and a User (BOOT) button (mapped to GPIO24).
Voltage Regulation: Utilizes an LDO to step down 5V USB power to the 3.3V required for the IO pins, while the RP2040's internal regulator handles the 1.1V core voltage. Schematic Breakdown The schematic for the Go to product viewer dialog for this item.
follows the official Raspberry Pi hardware design with minor modifications for its extra features:
Power Section: Includes standard decoupling capacitors and often a Schottky barrier diode to prevent backfeeding power into the USB host.
USB Data Lines: Uses 27-ohm series resistors placed near the chip for impedance matching.
Crystal Oscillator: A standard 12MHz crystal provides the clock signal, typically requiring a 1k ohm resistor and specific load capacitors to ensure stability.
Pin Configuration: Most GPIO pins are brought out to headers, similar to the Pico pinout, though some internal pins (like GPIO23/24) are used for the on-board LED and button. Resources for Design and Fabrication
If you are looking to integrate this into a custom project or review the layout, you can find the detailed schematic PDF on GitHub or view the project files in the YD-RP2040-Lite repository . If you'd like, I can: Find the exact pinout diagram for a specific version.
Provide a bill of materials (BOM) list for the supporting components.
Help you with code examples for the on-board RGB LED or user button. Let me know how you'd like to proceed with the report. YD-RP2040 built-in W2812 - #2 by bertrandvandeportaele The YD-RP2040 Go to product viewer dialog for
The , developed by VCC-GND Studio, is a popular third-party alternative to the official Raspberry Pi Pico. While it shares the same RP2040 microcontroller, its schematic and hardware layout include several enhancements tailored for improved usability and prototyping. Schematic & Hardware Overview
schematic follows the minimal design guidelines provided by Raspberry Pi but integrates several key hardware upgrades:
USB-C Connector: Replaces the Micro-USB port found on the original Pico for better durability and modern compatibility.
Dual Buttons: Includes both a Reset button and a User button (connected to GPIO24), eliminating the need to frequently unplug the board for firmware updates. On-board LEDs: Power (PWR) LED: Indicates the board is receiving power.
RGB WS2812 LED: Connected to GPIO23, allowing for multi-color status indications.
Blue User LED: Connected to GPIO25 (same as the standard Pico LED).
Increased Flash Memory: Offers options for 4MB, 8MB, or 16MB of off-chip QSPI Flash, compared to the standard 2MB on the original Pico. Pinout and Electrical Design
The board maintains a 40-pin DIP-style layout that is largely compatible with Pico accessories, though there are critical differences in power pinouts: Go to product viewer dialog for this item.
2x Yd-rp2040 Development Board 16mb Flash Core Board Compatible Dual-Core Microcontroller Motherboard, Size: 53.34, Black
, developed by VCC-GND Studio, is a popular alternative to the Raspberry Pi Pico that features several hardware enhancements, including a USB-C port, integrated WS2812 RGB LED, and a dedicated Reset button. CircuitPython Core Schematic & Documentation The official schematic for the YD-RP2040 (V1.1) can be found in the initdc GitHub repository
. This document details the routing for the RP2040 microcontroller, flash memory, and peripheral components. Processor & Flash
: It uses the dual-core ARM Cortex M0+ (RP2040) and typically comes with expanded flash options, such as 4MB, 8MB, or 16MB (W25Q32/64/128), compared to the Pico's standard 2MB. Power Circuitry : The board operates at internally, regulated from a input. Notably, it uses a pin instead of the Pico's Built-in Peripherals : Connected to
. Note that on some boards, you may need to solder a bridge on the "R68" pad to enable this functionality. User Button (USRkey) Reset Button
: Provides a dedicated hardware reset, which is missing from the original Pico. Arduino Forum Pinout Configuration
While the YD-RP2040 is largely pin-compatible with the Raspberry Pi Pico, there are minor differences in how specific pins are exposed or utilized. YD-RP2040 Pin / Detail USB Interface USB Type-C Replaces Micro-USB. Often requires a solder bridge to activate. User Button Labeled as USRkey. Dedicated PWR LED Indicates active power supply. Analog Pins GPIO26 - GPIO29 4 ADC channels available.
For a broader overview of the underlying chip architecture, you can refer to the official RP2040 Datasheet Further Exploration View the full technical drawings and PCB layouts in the official GitHub project folder to see how the USB-C and buttons are integrated. CircuitPython board profile
for specific firmware definitions and pin mappings used in Python development. Review community discussions on the Raspberry Pi Forums
regarding the electrical differences between the YD-RP2040 "clone" and the original Pico. power regulation circuit between this board and the original Raspberry Pi Pico YD-RP2040/YD-2040-2022-V1.1-SCH.pdf at master - GitHub
YD-RP2040/YD-2040-2022-V1. 1-SCH. pdf at master · initdc/YD-RP2040 · GitHub. Navigation Menu. Toggle navigation. YD-RP2040/YD-2040-2022-V1.1-SCH.pdf at master - GitHub
YD-RP2040/YD-2040-2022-V1. 1-SCH. pdf at master · initdc/YD-RP2040 · GitHub. YD-RP2040 built-in W2812 - #2 by bertrandvandeportaele
When reviewing an RP2040 schematic, verify the following critical points:
QSPI_SS? (Missing this = Bricked board).ADC_AVDD?This architecture provides a stable baseline for understanding the hardware design of the RP2040, whether it is the official Raspberry Pi Pico or a third-party derivative like the YDRP2040.
It sounds like you're looking for the schematic (circuit diagram) for a device labeled YDRP2040. However, this identifier is not a standard, widely known module from major brands like Raspberry Pi (RP2040), Waveshare, or Adafruit.
Based on the naming pattern, it is likely:
To find the correct schematic, please clarify:
In the meantime, here are your most practical next steps:
"YDRP2040 schematic filetype:pdf" or "YDRP2040 circuit diagram" on Google or Baidu.datasheets.raspberrypi.com/pico/pico-schematic.pdf) if the pinout matches.If you can provide a photo of the board or any additional text/codes from it, I can help identify the exact schematic or point you to a matching pinout table.
The YD-RP2040 schematic showcases a "Pico clone" featuring USB-C, a reset button, and an integrated WS2812 RGB LED while utilizing the RP2040 chip's core architecture and internal voltage regulation. Key design elements include 5.1kΩ resistors for USB-C, 27Ω termination resistors for data lines, and optional 4MB/16MB QSPI flash, according to the official technical schematic. Access the full schematic document at GitHub initdc/YD-RP2040 Raspberry Pi Forums Designing your own PCB for the RP2040 (Schematic)
The Go to product viewer dialog for this item. is a popular third-party development board that serves as an enhanced alternative to the official Raspberry Pi Pico. While it maintains pin-to-pin compatibility for all 40 main headers, its schematic includes several hardware upgrades and modifications. Core Schematic Features
The YD-RP2040 schematic is built around the RP2040 microcontroller, a dual-core ARM Cortex-M0+. Key components typically found in its design include:
Upgraded Flash Storage: Unlike the standard 2MB on a Pico, the typically features 4MB or 16MB of QSPI flash.
USB Type-C Connectivity: The schematic replaces the Micro-USB port with a modern USB-C interface for power and data. Onboard User Interface:
Reset Button: A dedicated physical button (RST) for quick rebooting without unplugging.
User Button: Connected to GPIO 24 for custom programmable inputs. Chapter 10: How to Read and Verify the
RGB LED: A built-in WS2812 addressable LED connected to GPIO 23. Blue User LED: A standard indicator connected to GPIO 25. Pinout and Logic Levels follows the standard RP2040 electrical specifications: Logic Voltage: 3.3V. The board is not 5V tolerant.
Power Input: Accepts 5V via USB-C or 3.3V - 5V via the VSYS pin.
Peripheral Support: Includes 2x SPI, 2x I2C, 2x UART, and 3x 12-bit ADC channels. Technical Documentation & Resources
You can find detailed schematic diagrams and board layout files through these verified sources:
Probots Knowledge Base: Provides detailed specifications and usage guides for the YD-RP2040 4MB and 16MB variants.
Scribd: Hosts community-uploaded PDFs for the YD-RP2040 Lite Schematic and Design Overviews.
Official RP2040 Hardware Design: For a fundamental understanding of how the core chip is integrated, the official Hardware Design with RP2040 document is the industry-standard reference.
against other variants like the RP2040-Zero or the official Pico W? Hardware design with RP2040 - Raspberry Pi
The YD-RP2040, manufactured by VCC-GND Studio, is a popular high-performance alternative to the official Raspberry Pi Pico. While it shares the same RP2040 "brain," its schematic reveals several hardware upgrades that make it a "pro" version of the standard board. Key Schematic Enhancements
The YD-RP2040 schematic differs from the standard Pico in several critical ways:
USB-C Integration: Unlike the Pico's Micro-USB, the YD-RP2040 uses a USB-C connector. The schematic includes essential pull-down resistors on the CC lines to ensure proper power negotiation with modern USB-C hosts.
Added Control Buttons: It includes a dedicated Reset button (Run) and a USRkey user button connected to GPIO24, making firmware updates and interaction much easier without unplugging the board.
RGB LED: A built-in WS2812B RGB LED is connected to GPIO23. Note that on some versions, you may need to bridge a solder pad (often labeled R68) to enable this LED.
Expanded Flash Memory: While the Pico has 2MB, the YD-RP2040 often comes in 4MB, 8MB, or 16MB variants, using QSPI flash chips like the W25Q32 or W25Q128. Core RP2040 Architecture
Despite these additions, the fundamental core of the schematic follows Raspberry Pi's official hardware design guidelines:
Power Rails: The chip requires 3.3V for I/O and 1.1V for the digital core. The internal regulator converts the 3.3V input to 1.1V, which is then fed back into the DVDD pins.
Clock Circuit: It utilizes a 12 MHz crystal oscillator (typically the Abracon ABM8 series) to drive the internal PLLs for stable USB and processing speeds.
Decoupling: Each power pin (IOVDD, DVDD, ADC_AVDD) is paired with a 0.1 μF decoupling capacitor to filter noise, placed as close to the chip as possible in the layout. Resources & Files
If you are troubleshooting or designing a carrier board, you can find official schematic files and documentation here: YD-RP2040 built-in W2812 - #2 by bertrandvandeportaele
The Go to product viewer dialog for this item. is a popular, low-cost development board based on the Raspberry Pi RP2040 microcontroller. While it is highly compatible with the original Raspberry Pi Pico, its schematic includes several hardware enhancements—such as a WS2812 RGB LED, a user programmable button, and an upgraded USB-C connector—that make it a versatile choice for makers. Understanding the YD-RP2040 Schematic
The YD-RP2040 schematic follows the core reference design provided by Raspberry Pi but introduces specific modifications to the peripheral circuitry. Below are the primary sections you will find in its circuit diagram:
RP2040 Microcontroller Core: The heart of the board, featuring the Dual-core Arm Cortex-M0+ processor. The schematic shows connections for the 12MHz crystal oscillator and the necessary decoupling capacitors for power stability.
Power Management (5V to 3.3V): Unlike the standard Pico, which uses a buck-boost converter, many YD-RP2040 schematics utilize a low-dropout (LDO) regulator to convert the 5V USB/VBUS input to the 3.3V required by the MCU.
USB-C Interface: The schematic replaces the Micro-USB port with a USB-C connector. This involves specific CC1/CC2 pull-down resistors to ensure proper power delivery negotiation with modern USB-C hosts.
Flash Memory: It typically includes 4MB or 16MB of QSPI Flash (often the W25Q series), significantly more than the standard Pico’s 2MB. Key Pinout and Peripheral Map
When reviewing the YD-RP2040 schematic, pay close attention to the pins that differ from the official Pico layout:
RGB LED (WS2812): Connected to GP23. This allows for multicolor status indications without using external wiring.
User Button (KEY): Connected to GP24. This is an active-low button that can be used for user input during runtime, separate from the Boot button.
Blue Power LED: Usually hardwired to the 3.3V rail or connected to GP25 (the same as the standard Pico onboard LED). Schematic Advantages for DIY Projects
The YD-RP2040 is often preferred in schematics for custom PCBs because it breaks out the SWD (Serial Wire Debug) pins more conveniently than the original Pico. This allows for easier debugging using a second Pico or a dedicated debugger like the CMSIS-DAP. Additionally, the inclusion of a Reset (RST) button on the board layout (connected to the RUN pin in the schematic) eliminates the need to unplug the USB cable to restart code execution. Technical Specifications Summary Schematic Reference MCU Raspberry Pi RP2040 Go to product viewer dialog for this item. Dual-core, 264KB SRAM Flash W25Q32 / W25Q128 4MB or 16MB Options USB USB Type-C Improved Durability LEDs GP25 (Blue), GP23 (RGB) Built-in status indicators Buttons Reset & GP24 (User) Enhanced interaction
The RP2040 requires a robust power architecture because it features dynamic frequency scaling and can draw significant current during heavy computation.
Even a well-intentioned schematic can hide bugs. Here are real-world issues found in cloned YDRP2040 designs:
The RP2040 requires an external crystal for accurate timing.
XIN and XOUT.