Build a Fleet of Low Power, Cloud-Connected e-Ink Displays #eink @hacksterio

Brandon Satrom posts on hackster.io on using the Blues Wireless Notecard and Notehub.io to keep a fleet of e-Ink displays synchronized across a facility.

In this article, I’ll walk through a simple, low-cost and low-power solution for connected digital signage using the Notecard, Notehub.io and e-Ink. The hardware consists of a Notecard, Swan, Notecarrier B, and an inexpensive e-Ink display. The firmware responds to Notehub environment variable changes and uses those values to update the text on the display, or show a bitmap image. Environment variables can be set on a device or at the fleet level to update any number of connected e-Ink displays at the same time.

The hardware for this project starts with the e-Ink display. There are no shortage of great displays available in one, two, three, or more colors, and I selected the Adafruit 2.13″ Tri-color FeatherWing for this project. It supports three colors, has a 250×122 pixel screen, includes a MicroSD card slot for images, and as a FeatherWing, has a socket on the back for a Feather-compatible MCU.

See the entire project on hackster.io

 


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