C.K. builds an IR light barrier intrusion alarm kit from Whadda 

An infrared transmitter and receiver with a buzzer and LED to indicate when the light it blocked.
Simple kit, but a good one to learn from, and a useful thing when you’re done!
0:0 open
0:10 intro
0:27 What’s in the box
08:10 transmitter build begins
19:58 receiver board build begins
31:47 demo
Product link
whadda.com/pro...
Making the silicon rubber solder helper used in this build video;
• C.K. makes a silicone ...
Intro music by C.K. Haun (me), you can listen on RU-vid
/ @ravenwaremusic5295

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