Institute Newton C. Braga

Circuit Bench

Humidity Relay 555 CMOS (CB15869E)
In the figure we have an example of an application of a monostable in which the shot is made by...
Microammeter (CB23614E)
We found in Radio Electronics magazine from June 1959 this current amplifier circuit for measuring very...
Centigrade Thermometer (CB14333E)
The presented centigrade thermometer shown uses a National Semiconductor sensor. The operational...