Martin FasaniSamuel Archibald
Published © CC BY-NC-SA

CALE esp32 screen manager

Screen manager Web Service and Firmware that let's you compose dynamic API mashups to feed your Displays with images

IntermediateShowcase (no instructions)2 hours29
CALE esp32 screen manager

Things used in this project

Hardware components

Generic ESP32 IC
Espressif Generic ESP32 IC
Epaper Waveshare 7.5 800x480 b/w
Can be any of the Epaper displays supported by gxEPD library

Software apps and online services Calendar Low Energy
CALE receives a request from the ESP32 and responds with the bitmap that is rendered on your Eink display

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)


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Custom parts and enclosures

Thingiverse 7.5 Case STL 3D model

Please find CALE cases for 7.5 Waveshare (800*480)

Thingiverse 4.2 Case STL 3D model

4.2 Dalian Good Display case (400x300)


ESP32 Schematic

Please check the repository for wiring examples


CALE Eink Firmware

A very easy, almost zero-configuration, ESP8266/ESP32 E-ink calendar


Martin Fasani

Martin Fasani

1 project • 0 followers
Web developer that likes tinkering with Electronics and programming in C++
Samuel Archibald

Samuel Archibald

0 projects • 0 followers
Thanks to Jean Marc Zingg.