# ATtiny85 Termo Buzzer board
## Description
The ATtiny85 Thermo Buzzer Board is a small but powerful tool that can help you prevent dangerous situations caused by high temperatures, making it an essential device for safety-conscious individuals.
#safetyfirst #hightemperaturewarning #electronicsafety #attiny85project #makerscommunity
## Project Details
- **Owner:** vasyl
- **Created:** 3/12/2023
- **Last Updated:** 3/30/2023
- **Visibility:** Public
- **Stars:** 1
- **Forks:** 5
- **Copies:** 4
## Key Components
### BZ1 — [GT-0905A](https://www.flux.ai/vasy_skral/gt-0905a~82.md)
- Manufacturer Part Number: GT-0905A
- Part Type: Buzzers
- Datasheet URL: https://www.soberton.com/wp-content/uploads/2019/02/GT-0905A-19-Feb-2019.pdf
- Manufacturer Name: Soberton Inc.
**Pins:**
- -
- +
### J1 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md)
- Part Type: Connector
**Pins:**
- P1
- P2
### Q4 — [2N3904S-RTK-PS](https://www.flux.ai/adrian95/2n3904s-rtk-ps~8gp.md)
- Manufacturer Part Number: 2N3904S-RTK/PS
- Part Type: Transistor
- Manufacturer Name: KEC Semicon
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1806151220_KEC-Semicon-2N3904S-RTK-PS_C18536.pdf
**Pins:**
- B
- C
- E
### U1 — [ATTINY85-20SU](https://www.flux.ai/adrian95/attiny85-20su~t3s.md)
- Manufacturer Name: Microchip
- Part Type: Microcontroller
- Manufacturer Part Number: ATTINY85-20SU
- Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2586-AVR-8-bit-Microcontroller-ATtiny25-ATtiny45-ATtiny85_Datasheet-Summary.pdf
**Pins:**
- ~RESET~/PB5 [pin 1]
- AREF/PB0 [pin 5]
- GND [pin 4]
- PB1 [pin 6]
- PB2 [pin 7]
- VCC [pin 8]
- XTAL1/PB3 [pin 2]
- XTAL2/PB4 [pin 3]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasyl/attiny85-termo-buzzer-board~k0i](https://www.flux.ai/vasyl/attiny85-termo-buzzer-board~k0i).*
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