This circuit, which can be built with several CMOS gates, was found in the March 1996 issue of Electronics Now magazine. The circuit has the base frequency determined by R1 and C1.
This intercom for the 27 MHz band was found in a recent English documentation, working with a...
We found this circuit in an old English documentation. The idea is a momentary indicator that...
This is the receiver for the previous circuit transmitter. Similarly, no information about the...