The finished circuit can display numbers ranging from 0 through 1023, in connection with a 10K preset pot attached to the analog input A0 of the Arduino board. This 4 -digit 7-segment display section ...

The seven-segment display is ... A CP2102 provides a UART to USB interface to ... This modern re-imagining of the turbo button uses an Arduino microcontroller, seven-segment display and ...

One glimpse at the still images or the brief video below shows you exactly how [Eric Nguyen] managed to pull this off. Each segment of the display is made up of four 0.25″ (6.35 mm) steel balls ...