โ Versatile ESP32-S3 microcontroller with Wi-Fi and Bluetooth
๐ค It suits DIY enthusiasts and smart home hobbyists who want a custom, low-power dashboard.
Price updated
68/100๐ Worth a lookInstaShop Score
Rating
Sales volume
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Computed by InstaShop from the product's real rating, sales volume and discount - an independent editorial signal, not a guarantee. How it is calculated
Build your own low-power information dashboard with this versatile 7.5-inch E-Ink DIY kit. Perfect for makers and smart home enthusiasts, it integrates seamlessly with Home Assistant to display weather or calendars without glare. It is the ideal project for any creative hobbyist.
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๐ Price history
Tracking just started: we measured the price once, on 29.10.2026 ($49.82). We check it daily - the chart, the lowest price and a verdict appear here after 3 measurements.
29.10.2026$49.82
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Based on InstaShop's daily price tracking on AliExpress since 29.10.2026 ยท 1 measurements
๐ In-depth analysis
The TRMNL BYOD 7.5-inch OG E-Ink DIY kit is a specialized hardware package designed for enthusiasts who want to build their own low-power information display. Centered around the XIAO ESP32-S3 PLUS microcontroller, this kit provides the core components needed to create a custom dashboard. Because it utilizes an E-Ink monochromatic screen, it excels at displaying static data like weather, calendars, or smart home statuses without the constant power drain or glare of a traditional LCD. It is explicitly marketed as compatible with Arduino and Home Assistant, making it a versatile choice for the maker community.
While the kit includes a rechargeable battery and the essential processing unit, it is important to remember that this is a DIY-oriented product. The high number of orders and solid buyer rating suggest a reliable hardware foundation, but the user experience will largely depend on your ability to code or configure the software. It offers a clean, paper-like aesthetic that fits well in minimalist setups or as a dedicated smart home controller.
โ Pros
Uses the capable XIAO ESP32-S3 PLUS, offering strong processing power and connectivity for a DIY kit.
Large 7.5-inch E-Ink display provides excellent readability and very low power consumption for static images.
Strong community proof with over a thousand orders and a high average rating, indicating consistent hardware quality.
Native compatibility with popular platforms like Home Assistant and Arduino simplifies the integration process.
Cons and cautions
Monochromatic display means no color support, which limits the visual depth of complex graphs or icons.
As a DIY kit, it requires a time investment for setup and software configuration compared to finished consumer products.
This analysis is written with an AI model from the product data (name, category, price, rating and orders), not from a hands-on test. How we choose and score
Who it's for: This kit is ideal for hobbyists, developers, and smart home enthusiasts who enjoy hands-on projects. If you use Home Assistant and want a dedicated, low-power display for your dashboard, this provides the necessary hardware to get started.
Who should skip it: It is not suitable for users looking for a plug-and-play tablet or a high-refresh-rate screen. If you are uncomfortable with flashing firmware or basic electronics assembly, this DIY approach may be frustrating.
๐ Check before you buy
Confirm the exact battery capacity and estimated runtime between charges with the seller.
Verify if a physical enclosure or frame is included in this specific kit or if it is just the internal components.
Ask the seller for the documentation link to ensure the libraries are compatible with your specific project needs.
Check if the necessary connection cables for the ESP32-S3 are included in the package.
๐ฐ Value verdict: Given the high volume of successful orders and the positive rating, this kit offers fair value at its current price point. The inclusion of the ESP32-S3 and a large E-Ink panel justifies the cost for makers, especially considering the current discount compared to the original listing.
๐ก Tips
Optimize your refresh intervals in your code to significantly extend the battery life of the E-Ink panel.
Look for community-made 3D printable cases if the kit arrives as bare components to protect the fragile screen edges.
Test your Home Assistant integration over Wi-Fi before final assembly to ensure signal strength is sufficient for the ESP32.
Questions about this product
Can this screen play video or fast animations?
No, E-Ink technology has a slow refresh rate and is designed for static or slowly changing information, not video.
Does it come with pre-installed software?
While it is built for TRMNL and Home Assistant, you should expect to flash or configure the firmware yourself as part of the DIY process.
Is the screen readable in direct sunlight?
Yes, one of the primary benefits of this monochromatic E-Ink display is that it remains perfectly legible even in bright, direct light.
โ Questions & Answers
What does it cost in US dollars?
$49.82 - AliExpress's international price at our latest check (29.10.2026). The exact amount in your currency, with shipping, is shown at AliExpress checkout.
Shipping and import taxes to my country?
Delivery to your address, its cost and time depend on the seller and your country; import duty/VAT depends on your country's rules (in the EU, the UK and Australia VAT/GST is usually collected at AliExpress checkout). All of it is shown before you pay.