- pretty & powerful is an open source e-paper development board - pretty & powerful is a 4.2″ e-paper (like e-ink) development board powered by an ESP32 module. is open-source so you have the freedom to customize. The beautiful e-paper allows you to get rid of all distractions and work peacefully. If you’re a maker, hobbyist, DIYer, engineer, or student wanting to build something using e-paper display, is perfect for you.  For starters, you can sync calendars, set up your home IoT dashboard, get to-do lists, notifications, display art, and much more! is an open source e-paper development board


Non-intrusive e-paper display

The 4.2″ e-paper display has no glare, looks clean and has high contrast making it sustainable and perfect to be in the background communicating effortlessly  

undraw signal searching

Stay always connected

FCC/CE certified WiFi & Bluetooth enabled connectivity so you can update seamlessly

undraw proud coder

Open-source & customizable

Onboard CP2104 USB-UART converter so you can extend or build on top of using micropython, Arduino, or ESP-IDF.


Get alerts

Piezo buzzer for sound notifications/alerts

undraw nature benefits

Lasts long for months

With our low power design which consumes <20uA in deep sleep, you can go months without recharging 


Save & store

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

Best in class

Supported by

What people say about us

“ I've been waiting for this product ever since I saw e-paper for the first time. ”


 “ Overall, this is very close to what I've wanted. Kudos to you for making it this far. ”


 “ It looks super. Just can't wait to start developing on it. ”


 “ E-paper is like the computer is speaking in an inside voice as opposed to shouting. ”


Covered by


Yes. Each comes with a 4.2" e-paper display, PCB and a free 3D printed external enclosure.

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

No. Batteries have shipping issues in terms of regulations and need special arrangements (which also increases the cost) so we recommend you buy a battery locally or you can keep the USB plugged in. The maximum battery size should be 62 x 35 x 5 mm. You can check more about battery specs in the battery section in docs here. 

The battery is fitted inside the enclosure, behind the e-paper display screen.

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.