Door alarm
About the Door alarm PCB
Door alarm is an open source PCB design by RoiCorporation, published on GitHub under the MIT license. It is a 2-layer board measuring 49.5 × 85.5 mm, with 16 components from 11 distinct parts.
Other key parts include the TLC555xP. By type, the board carries 5 resistors, 3 diodes, 2 capacitors, 1 IC, 1 buzzer and 1 switch.
From the project
Repository with the PCB design for the door alarm project.
Main components on the Door alarm
Door alarm bill of materials (BOM)
16 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TLC555xP | DIP-8_W7.62mm | U1 |
| 1 | Buzzer | Buzzer_TDK_PS1240P02BT_D12.2mm_H6.5mm | BZ1 |
| 1 | R_Potentiometer_Trim | Potentiometer_Bourns_3266Z_Horizontal | RV1 |
| 1 | SW_Reed | SW_SPDT_REED_MSDM-DT | SW1 |
| 2 | 3 V | BatteryHolder_Keystone_3002_1x2032 | V1, V2 |
| 3 | LED | LED_D5.0mm | D1, D2, D3 |
| 1 | 10 nF | C_Disc_D5.0mm_W2.5mm_P5.00mm | C1 |
| 1 | 10 µF | C_Disc_D5.0mm_W2.5mm_P5.00mm | C2 |
| 3 | 180Ω | R_1206_3216Metric | R2, R3, R4 |
| 1 | 110kΩ | R_1206_3216Metric | R6 |
| 1 | 47kΩ | R_1206_3216Metric | R7 |
Door alarm design files
The KiCad project lives in the RoiCorporation/door-alarm repository on GitHub; these links point at the commit this page was built from.
Door alarm: common questions
How big is the Door alarm PCB?
The Door alarm measures 49.5 × 85.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Door alarm?
16 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the Door alarm design files?
From the RoiCorporation/door-alarm repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Door alarm design in my own project?
Yes, under the terms of its MIT license, which RoiCorporation chose for the repository.