# [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. It also includes PCB layout of the project.
## Project Details
- **Owner:** bnc3998
- **Created:** 4/21/2022
- **Last Updated:** 4/21/2022
- **Visibility:** Public
## Key Components
### BATT1 — [1070TR](https://www.flux.ai/jharwinbarrozo/1070tr.md)
- Datasheet URL: https://www.keyelco.com/userAssets/file/M65p5.pdf
- Manufacturer Part Number: 1070TR
- Voltage: 3V
- Manufacturer Name: Keystone Electronics
**Pins:**
- -
- +
### LED1 — [CTL1206FYW1T](https://www.flux.ai/jharwinbarrozo/ctl1206fyw1t.md)
- Forward Voltage: 1.70V
- Manufacturer Part Number: CTL1206FYW1T
- Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf
- Part Type: Power Source
- Manufacturer Name: Venkel
**Pins:**
- A
- K
### Q1 — [MMBT3904](https://www.flux.ai/jharwinbarrozo/mmbt3904.md)
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT3904.pdf
- Part Type: Transistor
- Manufacturer Part Number: MMBT3904
- Manufacturer Name: MDD
**Pins:**
- B
- C
- E
### Q2 — [MMBT3904](https://www.flux.ai/jharwinbarrozo/mmbt3904.md)
- Manufacturer Name: MDD
- Manufacturer Part Number: MMBT3904
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT3904.pdf
- Part Type: Transistor
**Pins:**
- B
- C
- E
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/bnc3998/example-simulation-of-astable-multivibrator-circuit](https://www.flux.ai/bnc3998/example-simulation-of-astable-multivibrator-circuit).*
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*Generated from [https://www.flux.ai/bnc3998/example-simulation-of-astable-multivibrator-circuit](https://www.flux.ai/bnc3998/example-simulation-of-astable-multivibrator-circuit)*