How to Make a Door Alarm | DIY home security alarm Crazy Technique 5:48 7 years ago 251 670 Скачать Далее
How to make door alarm | Thief detector | Door alarm | Thief alert alarm | Hi power electric works Hi power electric works 6:18 2 years ago 8 456 Скачать Далее
How to make Laser Security (Theft) Alarm using SCR - 1 KM Range Anurag Projects 5:31 1 year ago 1 346 472 Скачать Далее
How to make a Door Alarm - Theft alert Alarm A2C Arts And Crafts 4:07 8 years ago 5 865 711 Скачать Далее
how to make a simple laser security alarm | amazing science project | thief detection alarm MK Smart creations 3:38 2 months ago 5 240 Скачать Далее
How to make thief alarm with nodemcu 8266 and ultrasonic sensor #iot #diy #nodemcu #homesecurity Megamind Creation 0:24 4 months ago 453 Скачать Далее
How to make a laser security (burglar) alarm using SCR - 1 KM Range ZAFER YILDIZ 2:45 1 year ago 101 351 Скачать Далее
