Seeed Studio TRMNL 7.5" (OG) DIY Kit
Shipping within 72 hours
*Excluding pre-order items
- • EU & US Delivery: 10 working days
- • Other Countries: 15 working days
Need it faster? Contact us via phone or email for expedited delivery.
Seeed Studio TRMNL 7.5" (OG) DIY Kit
📖 Introduction
The TRMNL 7.5" (OG) DIY Kit is an open-source hardware solution designed for makers, developers, and smart home enthusiasts who want to build their own custom e‑Ink dashboard from scratch. Featuring a 7.5-inch high-resolution e‑Ink display, XIAO ESP32-S3 Plus Dev Board, and full compatibility with Home Assistant and Arduino IDE, this kit empowers you to visualize data, integrate 375+ plugins, and design dashboards without coding. With its energy-efficient design, long battery life, and open-source enclosure options, the TRMNL DIY Kit combines flexibility, functionality, and creativity—making it the perfect platform for both personal and commercial applications.
Note:
- This open-source kit is shipped without an enclosure. Images with enclosures are for demo only.
- The TRMNL 7.5" (OG) DIY Kit requires a TRMNL BYOD license ($50) to unlock 300+ ready-to-use plugins for building your dashboard. Get your BYOD license here.
✨ Features
🔗 Compatible with TRMNL (Access Required)
This kit is the official TRMNL BYOD solution, designed to let you build the TRMNL 7.5" OG device from scratch. With BYOD access, you can use over 375+ plugins and choose from 8 layouts to create dashboards for daily or commercial use—without coding. Examples include Calendar, Shopify, and GitHub integrations.

🖥️ 7.5" e-Ink Display for Your Custom Dashboard
This kit features a 7.5" monochrome e-Ink display (800×480 resolution), capable of showing sensor data, weather, and calendars at a glance. The glare-free design ensures readability in any light while reducing eye strain.

🔋 Energy-Efficient Design
Powered by a 3.7V 2000mAh rechargeable Li-ion battery, it can run up to 3 months in deep sleep mode (6-hour refresh).
🏠 Home Assistant & Arduino IDE Compatibility
Includes a XIAO ESP32-S3 Plus based ePaper Dev Board, fully compatible with ESPHome for Home Assistant integration. As an open-source kit, it also supports Arduino IDE, enabling developers to build custom dashboards with Arduino C.
📦 Open-Source Enclosures
The kit does not include enclosures, but we provide three open-source designs on Printables, Thingiverse, and Maker World. These designs combine aesthetics and functionality to enhance your project.

📊 Specifications
🧩 Driver Board Specification
| Parameter | Description |
|---|---|
| MCU | XIAO ePaper Display Dev Board with XIAO ESP32-S3 Plus onboard |
| Display | 7.5-inch Monochrome ePaper Display |
| Resolution | 800 × 480 |
| Operating Voltage | 3.3V to 5V |
| Battery | 2000mAh Rechargeable Li-ion Battery (up to 3 months battery life in deep sleep mode on a single charge) |
| Operating Temperature | -40°C to 85°C |
| Enclosure | Not included. Open-source designs available on Printables and Thingiverse for custom remix. |
🖼️ Hardware Overview

📒 Note Change Record
2025/11/21 — Upgrade the PMIC from ETA6003 to SY6974B.
📑 Documents
📜 Certification
| HSCODE | 8543709990 |
| USHSCODE | 8524119000 |
| UPC | |
| EUHSCODE | 8543709099 |
| COO | CHINA |
🧾 Part List
| XIAO ePaper Display Dev Board with XIAO ESP32-S3 Plus onboard | 1 |
| 7.5-inch Monochrome ePaper Display (800×480 Pixels) | 1 |
| FPC Extension Cable (10 cm) | 1 |
| FPC Connector | 1 |
| 2000mAh Rechargeable Li-ion Battery | 1 |
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
- Shipping addresses must be entered in English without special symbols to help the courier company recognize your address in the system. We will ship strictly according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
- 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.
- We can ship all in-stock orders within 1 business day after your order has been confirmed.
- All items are inspected before dispatch and are carefully hand-packed.
- 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.
🚀 Need Faster Shipping?
If you require expedited shipping (Express), please contact our customer support team at info@openelab.io for a customized quote tailored to your location.
2. Shipping Rates & Options
Our shipping rates are calculated based on the order value and destination. Please refer to the tables below for details.
2.1 Germany (Domestic)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| Deutsche Post | €0 - €50.00 | €4.95 | 2-4 Business Days |
| Deutsche Post | Over €50.00 | Free | 2-4 Business Days |
|
DHL Paket (Faster Delivery) |
€0 - €50.00 | €6.95 | 1-3 Business Days |
|
DHL Paket (Faster Delivery) |
€50.00 - €100.00 | €2.00 | 1-3 Business Days |
|
DHL Paket (Faster Delivery) |
Over €100.00 | Free | 1-3 Business Days |
2.2 European Union (EU)*
*Including:
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| Deutsche Post | €0 - €100.00 | €7.95 | 5-9 Business Days |
| Deutsche Post | Over €100.00 | Free | 5-9 Business Days |
|
DHL Paket (Faster Delivery) |
€0 - €100.00 | €15.95 | 3-7 Business Days |
|
DHL Paket (Faster Delivery) |
€100.00 - €250.00 | €7.95 | 3-7 Business Days |
|
DHL Paket (Faster Delivery) |
Over €250.00 | Free | 3-7 Business Days |
2.3 United States
| Region | Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|---|
|
Continental U.S. (50 States) |
USPS Ground Advantage | €0 - €45.00 | €5.95 | 3-7 Business Days |
| USPS Ground Advantage | Over €45.00 | Free | 3-7 Business Days | |
| USPS Priority Mail | €0 - €45.00 | €16.95 | 1-4 Business Days | |
| USPS Priority Mail | Over €45.00 | €14.95 | 1-4 Business Days | |
|
Non-Continental U.S. (AK, HI, PR, etc.) |
USPS Ground Advantage | €0 - €60.00 | €6.95 | 5-9 Business Days |
| USPS Ground Advantage | Over €60.00 | Free | 5-9 Business Days |
* 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, and all U.S. Armed Forces addresses. The shipping and delivery to these areas are subject to the Non-Continental U.S. shipping rules.
2.4 International (Outside EU)
For specific international destinations, including Switzerland, United Kingdom, and Norway.
| Order Amount | Shipping Cost |
|---|---|
| €0 - €300.00 | €19.95 |
| Over €300.00 | Free |
Important Notice:
- Inventory Status: Please check the inventory status on the product page. Our system displays real-time stock for our Munich and Arlington warehouses. If an item is out of stock in these locations, it will be marked as "Pre-order". You can still place an order for these items.
- Pre-order Fulfillment: For "Pre-order" items, we arrange the most efficient logistics solution to ensure you receive your goods as quickly as possible. Your package may be shipped directly from our Shenzhen warehouse. Alternatively, as part of our standard restocking process, we may transport the goods to our Munich or Arlington warehouse first (typically taking 5-10 business days) before dispatching them to you.
- Split Shipments: If your order contains both in-stock and Pre-order items, we will prioritize shipping the in-stock items from the local warehouse immediately. The remaining Pre-order items will be sent to you in a separate shipment once they are ready.
3. International Warehouse
Our products are stored in our Munich, Arlington, and Shenzhen warehouses to provide more flexible logistics solutions tailored to different regions and customer needs. On each product's description page, we indicate the specific warehouse location to help you better plan your purchase and delivery schedule.
3.1 German Warehouse
For products stored in our warehouse in Munich, we use either Deutsche Post or DHL for shipping, depending on the size of the package. Logistics within Germany are very efficient, with an estimated delivery time of 2-4 business days, ensuring you receive your order quickly and conveniently. For Western EU countries, the estimated delivery time is 4-6 business days. For Eastern EU countries, the estimated delivery time is 6-8 business days.
3.2 US Warehouse
For products stored in our warehouse in Arlington, we use either USPS or UPS for shipping, depending on the size of the package. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days, ensuring you receive your order quickly and conveniently.
3.3 Chinese Warehouse
For Pre-order items or orders fulfilled directly from our Shenzhen warehouse, we utilize YunExpress for reliable international shipping. Given the complexities of international shipping, the estimated delivery time for these packages is around 10 business days, though this may vary slightly due to customs processes or other uncontrollable factors. Otherwise, products will be restocked to our Munich or US warehouses before final delivery, as detailed in the "Important Notice" above.
4. Customs and Taxes
4.1 How are customs handled by OpenELAB for import or export?
For EU Member States: Whether shipped from Germany or China, we cover all import duties and taxes (DDP), ensuring that you receive your package without any additional costs or hassle with customs.
For countries outside of the European Union, such as Switzerland and Norway, you may be subject to import duties, taxes, and/or customs fees charged upon delivery. These fees vary from country to country and are the sole responsibility of the recipient.
⚠️ Refusal of Delivery: If you refuse to pay these fees upon delivery and the package is returned to us, the refund amount will be calculated after deducting the original shipping costs, return shipping costs, and any applicable customs or storage fees.
4.2 How is VAT charged when the Customer places an order from OpenELAB?
In accordance with the newest VAT e-commerce rules in the EU, OpenELAB shall have the right to charge the amount of VAT at checkout. The standard rate of actual VAT applied is subject to the destination country's regulations. No additional VAT will be charged upon delivery for these orders.










