What do you do with 144 7-segment ... 0-9 and a colon. [Frugha] picked a nice font and hand-coded lookup tables for each digit. The lookup tables are stored in ROM, saving precious RAM on the Arduino.

We’re used to seeing all manner of seven-segment displays, be they mechanical ... The sensors are connected to an Arduino Nano via a 74HC165 parallel-load shift register, which lets multiple ...