2014-07-11
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Previous video:/youtube/video/-swETkSPyYM
More project info on Instructables:http://www.instructables.com/id/Simple-Basement-Security-System/
Parts list (affiliate links):
Aliexpress:
1x Arduino Uno (as programmer for Attiny85): https://s.click.aliexpress.com/e/_dUPNeN8
1x Attiny85: https://s.click.aliexpress.com/e/_d8xqinC
1x Reed Switch: https://s.click.aliexpress.com/e/_d8tIoDc
1x Key Switch: https://s.click.aliexpress.com/e/_d6zxguE
1x 12V Buzzer: https://s.click.aliexpress.com/e/_dWV8eG2
1x BC547 NPN Transistor: https://s.click.aliexpress.com/e/_dV0nlWa
4x 10kΩ, 1x 1kΩ, 1x 640Ω Resistor (1/4W): https://s.click.aliexpress.com/e/_dTPpXjt
2x 10µF Capacitor: https://s.click.aliexpress.com/e/_d7dOwRz
2x 0,1µF(100nF) Capacitor: https://s.click.aliexpress.com/e/_dU4FEsB
1x Push Button: https://s.click.aliexpress.com/e/_dXIIMcP
1x LM7805 (5V linear regulator): https://s.click.aliexpress.com/e/_dXSrfiP
1x DC Jack: https://s.click.aliexpress.com/e/_d6cVZVl
1x PCB (striped) : https://s.click.aliexpress.com/e/_dY2kgvt
1x Red LED 5mm: https://s.click.aliexpress.com/e/_dV63r7D
In this video I will show you how to build a simple alarm system for you basement or any other room. I use a reed switch and a key switch as inputs for an Attiny85 to check whether an intruder has entered the room.