This circuit with pressure sensor was obtained from the Encyclopedia of Electronic Circuits volume 5 of 1995. Note the construction of the sensor with rubber and conductors.
This circuit, which appears from other sources in this section, allows you to control a load...
This circuit is suggested by National Semiconductor and has an excellent gain, for a photodiode as a...
This simple expandable circuit was obtained from a Popular Electronics from the 80's. The supply...