# invisible bugrlar alarm
## Description
invisible buglar alarm.
## Project Details
- **Owner:** emsi
- **Created:** 5/11/2024
- **Last Updated:** 5/11/2024
- **Visibility:** Public
## Key Components
### BAT1 — [Battery Holder Keystone 1076 1xAAA](https://www.flux.ai/vasy_skral/battery-holder-keystone-1076-1xaaa.md)
- Voltage: 9V
- Manufacturer Part Number: 1076
- Part Type: Connector
- Datasheet URL: https://www.keyelco.com/userAssets/file/M65p24.pdf
- Manufacturer Name: Keystone Electronics
**Pins:**
- NEGATIVE [pin -]
- POSITIVE [pin +]
### BZ1 — [Buzzer](https://www.flux.ai/jecstronic/buzzer.md)
- Part Type: Buzzer
**Pins:**
- -
- +
### LED1 — [IR LED THT D5.0mm Black](https://www.flux.ai/jharwinbarrozo/ir-led-tht-d5p0mm-black.md)
- Part Type: Sensor
**Pins:**
- A [pin 2]
- K [pin 1]
### Q1 — [L14F1](https://www.flux.ai/adrian95/l14f1.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Transistor
- Manufacturer Name: onsemi
- Manufacturer Part Number: L14F1
- Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/2591/L14F1,%20L14F2.pdf
**Pins:**
- B [pin 2]
- C [pin 3]
- E [pin 1]
### Q2 — [BC557](https://www.flux.ai/adrian95/bc557.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: BC557
- Part Type: Transistor
- Manufacturer Name: onsemi
- Datasheet URL: https://www.onsemi.com/pdf/datasheet/bc556bta-d.pdf
**Pins:**
- B [pin 2]
- C [pin 1]
- E [pin 3]
### VR1 — [PA16potentiometer](https://www.flux.ai/pbh2/pa16potentiometer.md)
- Datasheet URL: https://www.vishay.com/docs/51063/p16spa16s.pdf
- Part Type: Resistor
- Manufacturer Part Number: PA16NM103MLB15
- Manufacturer Name: Vishay
**Pins:**
- P1
- P2
- Wiper
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/emsi/invisible-bugrlar-alarm](https://www.flux.ai/emsi/invisible-bugrlar-alarm).*
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