Other

“Retro clock with seven segment display, WDC65C02 microprocessor and SP0256 voice synthesis chip. Few years ago I began my experiments with retro microprocessors. Their eventual result was a design of board consisting WDC65C02 CPU, EPROM, static RAM chip and couple …

“Reinvigorating a handsome old clock and making it super-accurate, without any internet. Uses a Raspberry Pi Pico, a radio antenna and a couple of components to emulate a signal from a Mother clock. The DCF77 signal is a radio signal …

“According to the label on the back, it is a rebranded “Electronics Tomorrow LTD.” model no. 7904. It supports DCF77 time synchronization and has been working reliably for the past 20 years. But recently I wasn’t so thrilled with …

“This project is a clock with radio receivers which can receive the exact time from the GPS satellites or from the DCF77 transmitter. This project is a clock with radio receivers which can receive the exact date and time from …