Trending: laseralarmsystemAll contenthive-129948hive-196917krhive-150122hive-180932zzansteemhive-188619hive-185836hive-144064hive-183959hive-101145hive-183397hive-166405photographyhive-103599uncommonlabhive-170554hive-139150hive-184714hive-193637hive-180301bitcoinhive-179660hive-145157TrendingNewHotLikersimranhassan (72)in hive-170554 • 2 days agoSecurity System Laser Alarm Circuit | Using 555 Timer IC and Relay.Assalamualaikum Everyone. I am @imranhassan From #Bangladesh How are you all? I hope you are well. By the grace of God, I am also well. Today I will show you how to make a laser alarm…
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