This is simple signal injector circuit, used two transistors join together as astable multivibrator, signal output frequency 1,000Hz in square wave form.
Category: Mini Projects
Here are 250+ Mini Electronics Projects have Circuit diagram and PCB layout. Simple for ECE,EEE and electronics students,Suitable for those who are interested as a hobby or also home school study same me. You can easily make!
This regulator is 0-50v variable power supply circuit,3A that adjust output voltage 0V to 50 volts, and important is the overcurrent protection at 3 A.
This is IC 4060 Timer circuit. When rises time that is set, Suppose set 5 minutes time. after all time to 5 minutes. the circuit will emit a sound of buzzer once.
This is timer circuit uses a 555 IC timer. it small,compact,portable. For the snooze alarm by buzzer when some 5 to 30 minutes. It make easy with pcb layout
This is small integrated amplifier at 20W using a TDA2004 or TDA2005 IC,use 12V supply for BCL car audio amps