YYA-3 DC 12V Cycle Delay Timer Relay Adjustable Time Control Switch review (Urdu/Hindi) 

How its work 5 volt relay and complete review and testing (Urdu/Hindi)
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How a 555 timer ic works (Urdu/Hindi)
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How to use 555 timer to control Refrigerator between Solar and Government Electricity (Urdu/Hindi)
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Software and Devices
Laptop:ASUS CORE i7 Model: A53S
Video Editing: Adobe Premiere Pro CC 2018
Audio Editing: Audacity SW
Sound Card: Creative Sound Blaster
Mic: Blue Snowball Ice
Headphone: Sony MDR ZX110AP
Information: Books and internet
Picture Sources: Internet+Camera
Camera: redmi note 8 pro
Voice over: Nauman
Backround music: NIVIRO - Flares [NCS Release]
Backround music Link https: • NIVIRO - Flares | Hous...
Contact: naumanazeem@gmail.com
naumanazeem@hotmail.com
#relay #arduino #timer