This circuit of the 70's uses transistors of the time. The circuit can amplify signals from 10 Hz to 100 kHz and modern equivalent components can be used. The circuit is from Ferranti.
We found this circuit in 1964 General Electric documentation. The circuit works with mechanical...
March 21, 2016 - Mouser Electronics, Inc. is now stocking the WGM110 Wizard Gecko Wi-Fi module...
The relay used in this circuit must be of the sensitive type with a trigger current less than 10...