paperd.ink - pretty & powerful

Say hi to paperd.ink, the 4.2″ open-source e-paper development board that’s perfect for hobbyists, makers, builders, and electronic enthusiasts. With its high battery life, fully hackable design, and wireless connectivity for WiFi and Bluetooth, paperd.ink makes it easy to build innovative projects.

Our two variants, Classic and Merlot (limited edition), offer a monochrome and tricolor e-paper display, respectively, so you can choose the perfect display for your project. 

Plus, every paperd.ink device comes with a battery and enclosure, so you can start building right away. Join the paperd.ink community and start creating amazing projects this new year in 2023!

Why paperd.ink?

Non-intrusive e-paper display

 With high-quality e-paper displays, paperd.ink devices allows for crisp and clear visuals 

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Stay always connected

FCC/CE certified WiFi & Bluetooth enabled seamless connectivity

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Open-source & customizable

Onboard CP2104 USB-UART converter so you can extend or build on top of it

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Get alerts

Piezo buzzer for notifications

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Lasts long for months

With our low power design and 1900mAh battery, you can go months without charging; consumes <20uA in deep sleep

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Save & store

MicroSD card slot for storing images, data, and much more

Gallery

All the examples shown here can be found in the examples section of our docs

Classic vs Merlot

FeatureClassicMerlot
Colors4 level grayscaleBlack, White and Red
Display resolution400×300 px400×300 px
Screen size4.2 inch4.2 inch
Full update time~ 1 sec~ 17 sec
Partial update time~ 0.5 sec (Fast partial update)~ 17 sec (Slow partial update)
I/O expander address0x380x38
Deep sleep current (Timer Wakeup)16uA17uA
Deep sleep current (Button Wakeup)1.4mA1.4mA
Battery capacity1900mAh1900mAh
Enclosure colorBlack + WhiteWhite + Red
SD card trayYesYes
Type-C Charging/Programming portYesYes
Ideal Use CasesCalendar, To-Dos, Tracking, etc.Art display, Quotes generator, etc.

Supported by

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FAQs

Both paperd.ink Classic and Merlot come with the respective E-paper Displays, Battery, and an Enclosure.

Yes, the battery is glued which can be removed or adjusted based on the enclosure fitting. 

Of course! paperd.ink is open source so you can program it in whatever way you want using micropython, Arduino, or ESP-IDF. You can visit docs.paperd.ink to get started.

We have our shipping partner doing door-to-door deliveries. In most cases, you should not need to pay anything extra but it is subject to the international conditions at that time. In case there are any additional duties involved you will have to pay for them during delivery.

Yes, all of the examples and codes in our docs work on paperd.ink Classic and Merlot devices.