We found this circuit in an English publication from 1963. The circuit uses germanium transistors of the time.
This circuit is suggested by Texas Instruments in his Optoelectronics Sourcebook. The transistors...
This well-crafted speed game setup for two competitors was found in a 1998 Poptronics. The circuit...
August 2016 - Mouser Electronics is already providing new MKR1000 Arduino board, a practical...