This basic TTL watch and minute clock circuit was found in European documentation from the 1970s. The power supply is not included and is given in CB19635E. The circuit uses common anode displays.
The traditional circuit was taken from a French magazine Radio Plans that no longer exists but can...
This astable TTL with the 7400 integrated circuit appears elsewhere in this section. This version is...
June 2016 - It can be obtained from Mouser Electronics this new chip for motor control, motion,...