4 channel Relay with Infrared remote and external signal control - Review of QIFEI by Robojax

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Jump to different section of video by clicking on the time:
00:00 Start
01:00 Introduction
05:58 How to control
09:40 Control external push button
11:20 Control using External voltage
14:00 Lower trigger jumper
15:48 AC bulb control

Tutorial by Ahmad Shamshiri form Canada
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Really helpful.

I just bought the 8 channel version of this board and I want to use it as an audio selector. ( I know what to do) but your video helped me to understand the capabilities of the board. - Many thanks. Its Crazy that when you buy these things online the manufacturers / distributors don't send any information with the board :-) if they did then probably a lot more people would buy the boards

Ukhomecinemas
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Can we switch ON with Remote and Switch OFF on the board (and Vice versa)?

balagasrinivas
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Hello sir, I am great need of this PCB but with a timer for each relay as in case of Single channel timer relay module you have shown in other video. Please help from where to buy or how can I add a timer to this board?

mahlasutube
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Can you give me HEX CODE corresponding to its button

waqasalishah
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Where can I buy one of these controllers? I live in Canada. Are they available with 20amp and 30amp relays?

cedarclean-cedarroofcleani
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Is there way to use the trigger button as a permanent thing? To work the same way as the IR button push? If I want to control lights both way button+IR, I have to keep pushing :) and this not so good... The video was great, it helped me a lot, thank you very much!

veszti
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If you absolutely want to make reviews, then make some useful reviews.
instead of the junk you do !!!

peterrasmussen