We’re not sure, but the number of recognizable alphanumeric characters that a seven-segment display ... style between the boards. A Raspberry Pi drives the display through a very neatly routed ...

Dylan is using a Raspberry Pi Zero 2 W to control the operation. It's connected to an Inky Impression 7.3-inch e-ink color ...

The Raspberry Pi Picos are housed inside a custom case. The seven-segment display and matrix panel are centered in the middle, while an ultrasonic sensor is positioned on top. This sensor triggers ...