Usually, almost all 7-segment decoder ICs have a blanking input (RBI ... As a bonus, you can build your own LED display brightness controller circuit using the ubiquitous 555 chip!

By combining 49 of them he’s put together a soda bicarb diode steering circuit for a 7-segment display capable of showing the digits 0 to 9. He takes the idea for his diode from electrolytic ...

A while back, [limpfish] bought a few four-digit seven-segment displays from a seller on eBay. A month or two later, thirty displays ended up in [limpfish]’s mailbox. Instead of using the one or ...