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.
This circuit was obtained in an Argentine publication in 1976. It consists of a series voltage...
This circuit was found in a. transistor Manual from 1958. This is an amplifier stage with a...
This regulator circuit was found in the June 1984 issue of Radio Electronics magazine. The LM11 is a...