How to make LED chaser Circuit With NE555 Ic and BC547 NPN Transistor WOW Very Very Nice AMAZING 5channel LED Chaser LED Chaser Circuit Diagram Using ic NE555 Timer and NPN Transistor (BC547) #bc547 #led_chaser
to slowest efect capasitor 1000 - 2200 or more , old pryect very old , , my bulding 20 years older , 120 tranzistors or led , worked to day ,. but great work ,. nice simply to first projects , second my proyect to bc 238 or bc 307 high quality A class headphone amplifier , end more ,
I liked the circuit, but there is a situation like this: If you added a trimpot or potentiometer to the oscillator integrated, you could change the output frequency.
