This is the receiver for the earlier system published in the August 1988 Radio Electronics magazine. Optical capabilities can be used for extended range.
This circuit provides a multiplexed signal to be applied to the input of an FM transmitter. The...
This simple TTL circuit indicates which was the first to press one of the four pressure switches. The...
We found this circuit in a documentation from the 90s, which can be adapted in most cars of the...