HardLabs

Don t touch

sohamboyythrdh6·Don-t-touch·pcb/alarm.kicad_pcb

Don t touch PCB layout, top view — open source board by sohamboyythrdh6

About the Don t touch PCB

Don t touch is an open source PCB design by sohamboyythrdh6, published on GitHub. It is a 2-layer board measuring 90 × 41 mm, with 8 components from 8 distinct parts.

By type, the board carries 2 switches, 2 resistors, 1 transistor, 1 connector, 1 battery holder and 1 buzzer.

It belongs with the power & battery designs in this gallery.

From the project

I made a little project which is help to prevent thief broke into houses like the door locks are ma de with metals and I create this project with transistor and touch module so basically when someone touch the metal lock he grounded the circuit and completed it and alarm turn on it also has a reset button to turn the alarm off .

it can really useful for those people who's doors are really silent . in my project i use a TTP223 touch sensore . when someone touch the door metal part it instantly Triger the buzzer it even have reset button to stop the alarm. to build this project you need all the components and pcb given in my BOM and pcb after getting all those parts you simpely need to solder everything on place and then scratch a little part on touch sensor and solder a wire wich connect to a metal part of your door metal part and turn on the switch that's all.

Don t touch, from the project README
From the project README

Don t touch bill of materials (BOM)

8 components, 8 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
NPN
Q1
1
TTP223
J1
1
Battery_Cell
BT1
1
Buzzer
BZ1
1
SW_Push
SW1
1
SW_DPST_x2
SW2
1
10k
R1
1
1k
R2

Don t touch design files

The KiCad project lives in the sohamboyythrdh6/Don-t-touch repository on GitHub; these links point at the commit this page was built from.

Don t touch: common questions

How big is the Don t touch PCB?

The Don t touch measures 90 × 41 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Don t touch?

8 components, from 8 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Don t touch design files?

From the sohamboyythrdh6/Don-t-touch repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Don t touch design in my own project?

The repository has no license, so all rights stay with sohamboyythrdh6. Use it as a reference, and ask the author before reusing the design.

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