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EPD Display Working!

A project log for PIP-Watch

Pip-Watch (Personal Information Panel) is an open-source smart watch with an ePaper display, a bluetooth modem, and a Li-Ion accumulator.

JaraJara 06/18/2014 at 21:370 Comments

Today I have managed to get the GDE021A1 ePaper display (EPD) working! I used my minimal EPD-Driver board, which implements a flat-flex cable connector and a booster circuit for the display. The booster generates high voltages needed for display operation (around +-25V). The display is driven by STM32F101 Cortex-M3 CPU, mounted on a universal PCB. The picture below depicts my workbench setup:

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