# [Example] Simulation of Astable Multivibrator Circuit
## Description
A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator.
## Project Details
- **Owner:** evan
- **Created:** 11/16/2021
- **Last Updated:** 12/1/2021
- **Visibility:** Public
## Key Components
### D1 — [LED](https://www.flux.ai/jharwinbarrozo/led-tht.md)
- Saturation Current: 93.2e-12A
- Forward Voltage: 2
- Breakdown Voltage: 0V
- Series Resistance: 0.42Ω
- Emission Coefficient: 3.73
**Pins:**
- ANODE
- CATHODE
### Q1 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md)
- Leakage Current: 1e-13A
- Beta / hFe: 100
**Pins:**
- B
- C
- E
### Q2 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md)
- Leakage Current: 1e-13A
- Beta / hFe: 100
**Pins:**
- B
- C
- E
### VCC — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply.md)
- Voltage: 5V
**Pins:**
- ANODE
- CATHODE
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/evan/example-simulation-of-astable-multivibrator-circuit](https://www.flux.ai/evan/example-simulation-of-astable-multivibrator-circuit).*
---
*Generated from [https://www.flux.ai/evan/example-simulation-of-astable-multivibrator-circuit](https://www.flux.ai/evan/example-simulation-of-astable-multivibrator-circuit)*