Here the simple traffic light controller which is could be used to educate kids rudiments of traffic light guidelines. The…
The following diagram is a very easy and simple electronic combination lock based on IC LS7220. Component Part List: C1…
Here is the wailing alarm siren circuit diagram: Components List: R1,R5___________ 4.7K R2______________ 47K R3______________ 10K R4______________ 100K Rx______________ *see…
Here is the circuit diagram of battery tester designed by Matthew B.. This circuit can be used to measure the…
This is a small 12W audio amplifier over a load of 8 Ω, that combining the NE5534 integrated with a…
The following diagram is the schematic diagram of Ni-CAD battery charger circuit which featured with current and voltage limiting to…
This is a 200W power amplifier circuit project. The circuit features high power, good definition and very low noise. It…
This is 120W power amplifier schematic using TO-3 package complementary transistors, NPN and PNP polarity. The well-known power transistor pair…
This is 220V 800W lamp flasher circuit directly connected to 220V mains. One or more lamp which has high consumption…
The following circuit is a 5W stereo audio amplifier, built based on single amplifier IC TA7227. The TA7227 can be…