XIAO PowerBread is a compact, high-power breadboard supply with built-in monitoring. It offers stable 3.3V and 5V outputs and real-time tracking of voltage, current, and power on its LCD display. Fully compatible with Seeed Studio XIAO dev boards and breadboards, it’s perfect for prototyping with visibility. Fully open-source and actively maintained by the designer, with easy-to-use documentation and customizable code. Proudly designed by Nicho D and brought to you by Seeed Fusion Co-Create. Feature Real-Time Monitoring: View essential power metrics at a glance—no multimeter needed. The built-in display shows real-time voltage, current, and power data. High-Current Output: Deliver up to 1.5A of stable 3.3V power, ideal for most breadboard-based electronics projects. Built-in LCD Display: Stay informed with real-time power monitoring, displayed with line charts and statistics clearly on the integrated LCD. Plug-and-Play Design: Compatible with standard breadboards, simply plug in, power up, and start prototyping without extra setup. Open-Source and XIAO Dev Boards Compatibility: Compatible with almost all Seeed Studio XIAO dev boards (XIAO RP2040/RP2350, ESP32C3/S3/C6), this open-source design provides flexibility for future extensions. Dual-Channel Voltage and Current Sensing: Equipped with the INA3221 sensor for dual-channel voltage and current monitoring—know what’s happening with every aspect of your power supply. Compact Powerhouse: This compact design delivers both 3.3V and 5V outputs, optimizing your breadboard space without compromising on power. Multiple UI functions Long press the dial to switch channels in chart and statistic mode Rotate the dial to adjust the UI for different viewing angles Maximize Your Experience with the Active and Open-Source Firmware The firmware is actively maintained by the designer and is fully open-source on GitHub. Currently, Nicho is working on exciting add-on features, including PWM generation, ADC reading, and serial monitor. It is highly recommend checking out the GitHub repo to learn more about the updates. [Github Repo] A Community Design Scaled up by Fusion Co-Create This cool creation is designed by Nicho D, a maker based in China. We're excited to work with him to bring this impactful design to the market via our Fusion Co-Create. It's a program where we applied the Fusion Prototype, Produce, and Promote services to scale up cool community projects, while the designers gets comission for each single piece sold. Specification Parameter Description Input Voltage Powered via USB-C through the XIAO Output Voltages Provides 5V and 3.3V outputs, with a maximum current of 1.5A for the 3.3V rail Display LCD screen for real-time power monitoring Current Sensing The built-in TI INA3221 triple-channel current/voltage/power monitor provides real-time measurements for both output channels simultaneously Compatible Microcontrollers Compatible with the versatile XIAO Dev Boards, including XIAO RP2040, XIAO RP2350, XIAO ESP32C3, XIAO ESP32S3, and XIAO ESP32C6(The support for XIAO SAMD21 and XIAO RA4M1 will be coming soon) PCB Dimensions Designed for seamless integration with standard breadboards while minimizing space usage Hardware Overview Input Voltage: Powered via USB-C through the Seeed Studio XIAO. Output Voltages: Provides 5V and 3.3V outputs, with a maximum current of 1.5A for the 3.3V rail. Current Sensing: The built-in INA3221 sensor measures voltage, current, and power for real-time display. Microcontroller: Driven by the RP2040, handling sensor data, display control, and enabling future features like USB-serial communication and PWM generation. Display: LCD screen for real-time power monitoring. PCB Dimensions: Designed for seamless integration with standard breadboards while minimizing space usage. Application Grab your XIAO dev board and the PowerBread module—plug them in, and in just 2 minutes, you’ll have a cutting-edge, powerful breadboard supply ready to go! Students learning electronics while using Servo, LEDs, Motors, etc. Engineers debugging power issues. IoT prototype development. Anyone who loves beautiful tech! Part List XIAO - PowerBread x1 Pin header 2X2 x2 Pin header 2X3 x1 * Seeed Studio XIAO is not included. You can choose any board from the Seeed Studio XIAO Dev Boards mentioned above as the main controller (Please note the support for XIAO SAMD21 and XIAO RA4M1 is still in the process).
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