Seeed Studio XIAO PowerBread power supply meter for XIAO dev boards

Seeed Studio XIAO PowerBread power supply meter for XIAO dev boards
Shipping & Delivery Information
🚚 In-Stock Items: Orders for in-stock products are shipped within 24 hours after the order is placed.
📦 Pre-order Items: If a product is marked as "Pre-order", it means it is currently out of stock. We'll dispatch your order once we have restocked, usually within 10 working days. For special pre-sale items, the expected arrival date will be noted in the product description.
✈️ Express Shipping: Need your order urgently? Please contact us via email or live chat, and we’ll help arrange express delivery for you.
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.
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).
- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.
- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
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Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
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Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
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We can ship all in-stock orders within 1 business day as your order has been confirmed.
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All items are inspected before dispatch and are carefully hand-packed.
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With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
2. Shipping Options for Germany, EU* countries and US
(For Products in Munich Warehouse, Long Beach Warehouse)
2.1 Shipping options for an order value of up to €30 inside Germany, €50 inside the EU* or €45 in the U.S.:
Shipping Options:
Shipping Options | Germany | EU* |
---|---|---|
Deutsche Post |
€3.5 Arrive in 3-4 Business Days |
€6 Arrive in 5-9 Business Days |
DHL Paket |
€6 Arrive in 2-3 Business Days |
€15 Arrive in 3-7 Business Days |
DHL Express |
€14 Arrive in 1-2 Business Day |
€65 Arrive in 2-3 Business Days |
Shipping Options | Continental U.S. | Non-Continental U.S. |
---|---|---|
USPS Ground Advantage |
€4.95 Arrive in 3-7 Business Days |
€6.95 Arrive in 5-9 Business Days |
UPS Express |
€11.95 Arrive in 2-4 Business Days |
€13.95 Arrive in 3-7 Business Days |
2.2 Free shipping options for an order value of above €30 inside Germany, €50 inside the EU* or €45 in US :
Free Shipping Options | Germany | EU* |
---|---|---|
Deutsche Post |
Free Above €30 | Free Above €50 |
DHL Paket |
+ €2 for Above €30 / Free Above €60 | + €8 for Above €50 / Free Above €80 |
DHL Express |
+ €10 for Above €30 | + €60 for Above €50 |
Free Shipping Options | Continental U.S. | Non-Continental U.S. |
---|---|---|
USPS Ground Advantage |
Free above €45 | Free above €60 |
UPS Express |
+ € 8.95 for Above €45 | + € 11.95 for Above €45 |
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Certain EU Countries are not included in our EU Zone definition: United Kingdom (excluding Ireland), Switzerland, Liechtenstein, Vatican City, Albania, Belarus, Norway, Ukraine, and Iceland. For the above countries, the International Shipping Rule applies.
- The regions in the Non-Continental U.S. include: Alaska, American Samoa, Guam, Hawaii, the Marshall Islands, the Northern Mariana Islands, Palau, Puerto Rico, the U.S. Virgin Islands, the Armed Forces of America, the Armed Forces in Europe, the Armed Forces in the Pacific, and the U.S. outlying islands. The shipping and delivery to these areas are subject to the Non-Continental U.S. shipping rules.
2.3 Shipping Options for International Countries:
(via Deutsche Post or YunExpress)
Order Amount | International |
---|---|
€0 - €15 | €8 |
€15 - €30 | €7 |
€30 - €50 | €6 |
€50 and above | €4 |
Important Notice:
- Please verify the inventory location on the product page before placing your order to confirm delivery timeframes.
- For products in the Shenzhen warehouse, we will typically first ship the products from the Shenzhen warehouse to our Munich warehouse or Long Beach warehouse, which will take around 1.5 weeks. After we receive the shipment in Munich/ Long Beach, we will send the items to you. We will only arrange YunExpress shipping from Shenzhen for orders with products in the Shenzhen warehouse worth more than €50.
- If you place an order with products from both Munich and Shenzhen warehouses, we will first ship the products in the Munich warehouse, and then send the remaining products to you when we receive them from Shenzhen.
3. International Warehouse
3.1 German Warehouse
3.2 US Warehouse
3.3 Chinese Warehouse
4. Customs and Taxes
4.1 How are customs handled by OpenELAB for import or export?
4.2 How is VAT charged when the Customer places an order from OpenELAB?
4.3 What kind of fee will be charged except VAT?
Effective Date: August 7, 2025
At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 30 days of the shipment date.
1. Warranty Disclaimer
Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.
2. Warranty Policy
Warranty Period
The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.
Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.
If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.
After the warranty period, support may still be available at a reasonable fee.
Warranty Exclusions
The warranty does not apply in the following cases:
- The product is beyond the 12-month warranty period.
- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
- Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
- Unauthorized repair attempts by the customer.
- The product is not defective but has been opened and is non-returnable by policy.
3. Returns & Refunds
If you're not satisfied with your purchase, you may be eligible for a return or exchange:
- Return for Refund: Within 15 days of receipt (unopened).
- Return for Replacement: Within 30 days of receipt (damaged or defective).
- Exchange Window: Up to 30 days from receipt.
Please email us at info@openelab.io for a return authorization before sending anything back.
Return Conditions
- Items must be in original, clean, and mint condition with packaging intact.
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Shipping & Fees
- Customers are responsible for return shipping to our warehouses in Europe, the US, or China.
- If a return is requested due to customer reasons (e.g., change of mind, incorrect order, etc.), both the original shipping cost and the return shipping cost will be deducted from the refund amount.
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Payment Platform Fees
For all refunds requested due to customer reasons, a standard service fee will be deducted from the refund amount, which is charged by the payment platforms. The specific fees are as follows:
Shopify Payments: 1.8% + €0.3
PayPal: 4.4%