Two-Tone Humidity Sensor (CB25347E)

We found this circuit in the July 1990 issue of Radio Electronics magazine. The frequencies are given by capacitors C2 and C3, which can be changed.

| Clique na imagem para ampliar |

CUI Current Sensors
CUI Current Sensors Mouser Electronics announces in its stock Cui's line of current sensors for...
One Digit Counting Module (CB785E)
This TTL module can be used in counter and many of them can be cascaded to counts up to 99, 999,...
Light-Controlled Oscillator (I) (CIR114)
This circuit uses a phototransistor as sensor. The changes in the resistance of the transistor,...