We found this circuit in the August 1990 issue of Radio Electronics magazine. The two-digit circuit uses a pressure sensor and is powered by a 9V battery.
In the figure we have a transmitter and a simple remote-control receiver for tests found in a 90s...
This circuit makes use of a Texas Instruments LinMOS operating system and requires the use of a...
The circuit we have just described has been mounted in the car of the author of the project for...