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Description:
- Generate square wave output using IC555
- Pulse width modulation with diodes
- Adjust frequency with resistors
Components:
- NE555P x 1
- 10kOhm resistor x 2
- 1N4007 diodes x 2
- 10uF capacitors x 2
- Red LED x 1
- Jumper wires
(Optional – to compare LEDs) - 1kOhm resistor x 1
- Red LED x 1
Schematic:
Breadboard:
Data:
- LED frequency: 6.07Hz
- Duty cycle: 50/50
Resources:
IC 555 Timer Working: Pin Diagram & Specifications
https://electronicsforu.com/resources/learn-electronics/555-timer-working-specifications
How a 555 Timer Works
How to Control the Duty Cycle of a 555 Timer
Schematic Simulation
http://falstad.com/circuit/circuitjs.html