Skip to main content


Emma is an eight-digit alphanumeric display with 2.3-inch high digits. Each digit is a 17-segment “ultrabright” display digit from evilMadScience. Emma is powered by a 5V DC supply and includes a Taos 856-TSL2561FN digital light-level sensor.


Device Firmware and Example Code

Revision-controlled firmware to test and use the Emma board is available on the Electric Imp GitHub examples page.

Hardware Design Files