Arduino GSM alarm
thingiverse
I built the Arduino GSM Alarm. Here's how it works: When you open the door and don't turn off the alarm (secret key), the alarm will start calling your phone. What you need: Arduino Pro Mini https://www.ebay.com/itm/New-Pro-Mini-atmega328-5V-16M-Replace-ATmega128-Arduino-Compatible-Nano/200957063666?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 GSM Module https://www.ebay.com/itm/GPRS-GSM-Module-SMS-A6-Speech-Bboard-Wireless-Data-Transmission-Adapter-Plate/252702614175?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 Battery Holder https://www.ebay.com/itm/For-3-X-AA-Battery-Hard-Holder-Case-Box-Plastic-Storage-With-Wire-Leads-Black/252369177049?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 Prototype PCB https://www.banggood.com/40pcs-FR-4-Double-Side-Prototype-PCB-Printed-Circuit-Board-p-995732.html?rmmds=myorder&cur_warehouse=CN H62 Brass Knurl Nuts https://www.banggood.com/100pcs-M34mm-H62-Brass-Knurl-Nuts-DIY-Accessories-p-971077.html?rmmds=myorder&cur_warehouse=CN Double Sided Tapes https://www.banggood.com/2-x-3M-Ultrathin-Waterproof-Protect-ESC-board-Double-Sided-Tapes-p-983001.html?rmmds=myorder&cur_warehouse=CN Micro Switch https://www.banggood.com/10Pcs-Micro-Limit-Switch-Roller-Lever-5A-125V-Open-Close-Switch-p-945733.html?rmmds=search&cur_warehouse=CN And some cable, M3 and M4 nut and screw. All electrical components and wiring you need is listed in the description on this site: https://astromik.org/raspi/gsmalarm/index.htm Great thanks to Milan Krúpa (author of electronics and program for Arduino GSM Alarm).
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