This circuit was found in the July 1994 issue of Electronics Now magazine. The relay can be rated at up to 12 V and 100 mA. The transistor is a general purpose transistor.
This circuit utilizes a precision operational amplifier that can be replaced with an equivalent. The...
When we connect the power supply of the circuit shown in the figure the capacitor is discharged and thus...
This circuit has a thermal chamber that acts as a stabilizer, compensating for the ambient...