Fading Led Lamp with 555 TimerThis tiny circuit is a simple way to make a fading led without having to program chips or writing code.
Prototyping It Step 2 of 3
Break out the breadboard and proto it up.
Pin 1- To Ground
Pin 2- Jumper to Pin 6, Jumper to Base of NPN
Pin 3- 33k resistor to base of NPN
Pin 4- Jumper to Pin 8
Pin 5- NC
Pin 6-Jumper to Pin 2
Pin 8-Jumper to Pin 4, Connected to Positive voltage
Emitter of NPN to 470ohm resistor to LED
Base of NPN to + side of cap, then ground - side
Collector of NPN to + voltage