A PIC version of digital voltmeter module was created based on an AVR while showing the mini display with 3 digits. The digital voltmeter module contains general purpose I/O pins which could be used ...

For those of us who remember LED calculators, the HP 5082-7400 series red “bubble” displays hold a special charm. Available in 3, 4, or 5-digit varieties, these multiplexed 7-segment displays provided ...