In the figure we have a simple thermometer with NTC, using an analog current indicator. The adjustment is made in the trimpot and the power is done by batteries.
The components of this circuit from the 70's are no longer common on the market, but it is...
This circuit produces rectangular and triangular signals using two 741 operational. The source must...
The basis of this 90s circuit is a CA3130 operational amplifier. The circuit does not need a...