Esp 8266-01 relay module review & not working problem solving

this is a short review of Esp 8266 - 01 single channel wifi module.
here is a problem-solving solution if your Esp 01 relay module is not working.
I found a problem on this board when working with it. in this video, I clearly discuss how to solve the problem of this esp 01 single channel relay module.
this small board can be used for different IoT-based projects, for making Alarms & IoT-based security systems.
How to program esp 01 easily - • ESP 8266 - 01 Programm...
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[@vernonpedersen5990]

Thanks for this. I was in the process of tracking down the error myself (I had already discovered the lack of 3.3V to the Enable pin) until I thought to check for other people's experience. Saved me a bunch of time!😀

[@qwertyqwerty-yn2tt]

You make me happy! Thank so much! My issue is solved!

[@talwarjatin]

Hi, Very informative . Thanks , KIndly let us know , what is the Mobile App u are using ? which is seen at 2:40 timeline. Thanks a lot

thanks a lot خیلی خیلی ممنون

[@jumbo999614]

My relay is labeled "SRD-03VDC". So I have to connect only 3v to VCC of the module right?

[@bmcgorakhpur5787]

Hi, i wish to use it for home sadety, but not have much idea,
Can you tell me what application i need to run it? And do i need to program it?

[@technoreview85]

Sure.. you can program it using Arduino ide. You can use esp8266 nodemcu which is upgraded version of this. This module for IoT based project so operation app depends on your IoT platform

[@shilmohan5437]

How do I program this with Raspberry pi 3 model B ?

[@aimusic164]

How to delete esp 01 program

[@madhusudanm6529]

Router is required?? Or directly we can use mobile wifi

[@technoreview85]

It depends on code on esp 01. Otherwise you can use your mobile Wi-Fi hotspot threatening

[@omarenabi-h4f]

nice bro
can I add a timer for it ?!

[@technoreview85]

Thanks.. yes you can

[@girishpanchal9072]

Hi, thanks for nice video. Can I connect to esp01 which is on home wifi from my smartphone which is on other network maybe in some other region?

[@technoreview85]

Yes..you can use your smartphone Wi-Fi Hotspot also

[@awdhootkanawade]

This is my assumption but while designing pcb someone added resister pads for smd switch and and nobody corrected it , that r2 pad supposed to be boot button

[@saadshah285]

i have same problem but my controller is nodmcu can i try or not ?

[@saadshah285]

i tried with arduino controller its working nice but with nodmcu always on the output what should i do ?

[@akemals42]

👍

[@johnmarkliguit10]

What app did you use?

[@santiagomoreno696]

Blynk