Door Open Alarm ♦ Science Working Model ♦ ECE mini project ♦ School Project @KarthikProjects
Door Open Alarm ♦ Science Working Model ♦ ECE mini project ♦ School Project @KarthikProjects
Uploaded October 2017 | Updated September 2026, 1 week ago
Door open alarm using IR sensors, 9v battery, transistor and buzzer.
For Science exhibition models, science competition ideas
Bright Chip Technologies
Dharmapuri
Tamilnadu
9787681446
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Door Open Alarm ♦ Science Working Model ♦ ECE mini project ♦ School Project

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