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Driver circuit LED Chaser

Driver circuit LED Chaser CD74HC4017, MM74C14 Driver circuit LED Chaser CD74HC4017, MM74C14 Parts List IC1 MC14584BCP IC2 CD74HC4017N T1 2N3904 or 2N4401 NPN transistor D1 to D8 1N4148 or 1N914 Diodes 10 LEDs Blue, green or white Ultra-Bright LEDs with Vf = 3.2V or less at 20mA R1 100K 1/4W resistor R2 1M Linear-taper potentiometer […]

It is a termostat for a peltier cooler !

It is a termostat for a peltier cooler ! using LM358, IFR530 It is a termostat for a peltier cooler ! Piezo buzzer Circuit using LM358, IFR530

RF network analyzer

RF network analyzer circuit

Touch switch Circuit using 555

Touch switch Circuit using 555

Engine Wiring Harness – Automotive Wiring and Electrical Systems

Engine Wiring Harness – Automotive Wiring and Electrical Systems

audio distribution amplifier

audio distribution amplifier using UM66, BC547, AC187, 1N4148

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