Esp 01 12V 2relay module from LC Tech

[Mr.Namilos]

Hello, I want to control my relay by using Blynk. Why does my relay don’t work? I used different codes from here but it’s not connecting to my Blynk. I’m using the 12V 2channel relay module LC tech. Thank you!

[PeteKnight]

Have you tried this…

ESP8266 Relay Module not working with Blynk [solved]

In my first post i wrote that I have ESP8266 relay module in which ESP01 communicates with relay board in serial sending TX command and this code work as espected that is it turn on and of my relay: .. byte relON[] = {0xA0, 0x01, 0x01, 0xA2}; //Hex command to send to serial for open relay byte relOFF[] = {0xA0, 0x01, 0x00, 0xA1}; //Hex command to send to serial for close relay .. Serial.write(relON, sizeof(relON)); // turns the relay ON Serial.write(relOFF, sizeof(relOFF)); // turns the…

Pete.

[Mr.Namilos]

Didn’t work

[PeteKnight]

Do you have a link to the exact board you are using?

Pete.

[Mr.Namilos]

https://www.google.com/search?q=esp+01+2+relay+channel&prmd=isvn&sxsrf=ALeKk02U_2ZLi6X7BbDAjOJCttdxgaYy4Q:1607770684671&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiwzKjEpMjtAhUuG6YKHXVGB18Q_AUoAXoECAIQAQ&biw=424&bih=761#imgrc=GtVCi5j0rkRv7M

[PeteKnight]

Okay, I’ll assume that you have the Arduino core installed in the IDE and have a suitable programmer for the ESP-01 and that the code is successfully compiling and uploading.

Feedback like…

@Mr.Namilos

Didn’t work

isn’t really very helpful, especially when you are the one with the hardware in front of you and the desire to get it working.
I’d suggest that you do some more research and tr6 some of the other examples that have been posted here - like this…

Garage Door: Transmit a hex code on the TX pin of ESP-01

Hi, Project: I have this Chinese 12V dual relay widget with an ESP-01 module strapped onto it. As it arrived, it had some pre-loaded code that only worked with Android (which I don’t have) so I’d like to use it with Blynk. Link to widget: 12V WiFi Relay Module although this page has a lot more info: Single relay module Now, I’ve got Blynk installed on the ESP-01, along with the virtual terminal and I can do the Marco-Polo thing. What I want to do now and just can’t find anything here in the f…

or search the internet for other code examples and test them to fine one that works with your hardware. When you have this then you can add-in the Blynk functionality.

Pete.