Automatic Loudness Control Circuit
To get good audio quality, tone settings must be considered, one of which is good bass and treble tones. For … Read more
Automatic shut-off circuit
This alarm circuit is very simple, if triggered once, will keep on sounding until either the battery is drained off … Read more
Burglar Alarm Circuit with CMOS
A burglar alarm operates by opening or closing of an electrical contact. For example, in a house, the doors and … Read more
Simple water level alarm circuit based CMOS
The type of alarm shown in the figure is useful in applications such as monitoring the water level in the … Read more
Transistor Power Amplifier Circuit Based 2N3055
This circuit is designed with a simple and low cost. The optimal working voltage for this amplifier is +55 Volts. … Read more
Audio metronome circuit with led indicator
The metronome circuit of circuit below produces audible ticks from 40 ticks per minute to 400 ticks per minute by … Read more
1 MHz Crystal Oscillator based CMOS 4011
Many electronic circuits requiring precision control of time use crystal oscillators. A simple crystal oscillator using only one NAND gate … Read more
Simple Pulse Generator Circuit
The output waveform of oscillator circuits shown in picture circuit below is square wave because capacitor C charges and discharges … Read more
Astabil Multivibrator circuit using CMOS
The astable multivibrator shown in above picture operates in a manner very similar to a free-running multivibrator using two cross-coupled … Read more