# 3Button Transistor Toggle Switching
## Description
Welcome to your new project. Imagine what you can build here.
## Project Details
- **Owner:** epicamps
- **Created:** 8/30/2024
- **Last Updated:** 9/4/2024
- **Visibility:** Public
## Key Components
### LED1 — [CTL1206FYW1T](https://www.flux.ai/jharwinbarrozo/ctl1206fyw1t~cql.md)
- Part Type: LED
- Manufacturer Part Number: CTL1206FYW1T
- Manufacturer Name: Venkel
- Forward Voltage: 1.70V
- Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf
**Pins:**
- A [pin 2]
- K [pin 1]
### Q2 — [BC547B](https://www.flux.ai/jharwinbarrozo/bc547b~3mr.md)
- Datasheet URL: https://datasheet.lcsc.com/lcsc/2008011835_LGE-BC547B_C713613.pdf
- Manufacturer Part Number: BC547B
- Manufacturer Name: LGE
- Part Type: Transistor
**Pins:**
- B
- C
- E
### Q3 — [BC547B](https://www.flux.ai/jharwinbarrozo/bc547b~3mr.md)
- Manufacturer Part Number: BC547B
- Datasheet URL: https://datasheet.lcsc.com/lcsc/2008011835_LGE-BC547B_C713613.pdf
- Part Type: Transistor
- Manufacturer Name: LGE
**Pins:**
- B
- C
- E
### S1 — [BD01](https://www.flux.ai/jecstronic/bd01~tx1.md)
- Datasheet URL: https://www.ckswitches.com/media/1331/bd.pdf
- Manufacturer Part Number: BD01
- Part Type: Switch
- Manufacturer Name: C&K
**Pins:**
- P1
- P2
### S2 — [BD01](https://www.flux.ai/jecstronic/bd01~tx1.md)
- Manufacturer Part Number: BD01
- Datasheet URL: https://www.ckswitches.com/media/1331/bd.pdf
- Manufacturer Name: C&K
- Part Type: Switch
**Pins:**
- P1
- P2
### S3 — [BD01](https://www.flux.ai/jecstronic/bd01~tx1.md)
- Datasheet URL: https://www.ckswitches.com/media/1331/bd.pdf
- Manufacturer Part Number: BD01
- Manufacturer Name: C&K
- Part Type: Switch
**Pins:**
- P1
- P2
### U2 — [ATTINY841-MMH](https://www.flux.ai/adrian95/attiny841-mmh~ywp.md)
- Manufacturer Name: Microchip
- Part Type: Microcontroller
- Manufacturer Part Number: ATTINY841-MMH
- Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8495-8-bit-AVR-Microcontrollers-ATtiny441-ATtiny841_Datasheet-Summary.pdf
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- ~RESET~/PB3 [pin 13]
- AREF/PA0 [pin 5]
- GND [pin 21]
- GND [pin 8]
- NC [pin 10]
- NC [pin 6]
- NC [pin 18]
- NC [pin 7]
- NC [pin 19]
- NC [pin 17]
- PA1 [pin 4]
- PA2 [pin 3]
- PA3 [pin 2]
- PA4 [pin 1]
- PA5 [pin 20]
- PA6 [pin 16]
- PA7 [pin 15]
- PB2 [pin 14]
- VCC [pin 9]
- XTAL1/PB0 [pin 11]
- XTAL2/PB1 [pin 12]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/epicamps/3button-transistor-toggle-switching~iq](https://www.flux.ai/epicamps/3button-transistor-toggle-switching~iq).*
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*Generated from [https://www.flux.ai/epicamps/3button-transistor-toggle-switching~iq](https://www.flux.ai/epicamps/3button-transistor-toggle-switching~iq)*