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[Solved] Sonoff 4CH, Geek Creit - Unwanted relay activation during start-up and programming

Daro1003 1086 7
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  • #1 19838500
    Daro1003
    Level 33  
    I've dug up a few modules that go by different names Sonoff 4ch or Geek Creit but that's about it.

    On this module, one of the buttons is responsible for changing the operation of the relays.

    The problem is that if I set it to monostable on/off, the module clicks 3 (out of 4) relays when powering up and when entering programming mode it also switches 3 out of 4 relays and only switches them off after exiting programming and restarting.

    How to eliminate this problem ? In general, is it possible to eliminate this change of operating modes ? It is a pity because I have a few of them and they could be used.
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  • Helpful post
    #2 19838793
    starob
    Level 29  
    Daro1003 wrote:
    How to remove this ailment ?
    .
    This functionality is stored in an additional proc that controls the relays.
    You can remove it and make jumpers to control directly from the ESP pins.
    Sonoff 4CH, Geek Creit - Unwanted relay activation during start-up and programming .
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  • #3 19838879
    Daro1003
    Level 33  
    Cool thanks I will try to solder it but which pins to connect to which ? The ones directly from the gpio with the ones that go to the other circuit ?
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  • #4 19838971
    starob
    Level 29  
    I can't remember what to connect to what - it's been a long time since I did it.
    The board is clear enough that you will get there by the paths.
  • #5 19839348
    Daro1003
    Level 33  
    Circuit desoldered:

    Sonoff 4CH, Geek Creit - Unwanted relay activation during start-up and programming .

    Now just to pick out the relay control:
    GPIO 12 => relay 1
    GPIO 5 => relay 2
    GPIO 4 => relay 3
    GPIO 15 => relay 4

    So according to this schedule:
    Sonoff 4CH, Geek Creit - Unwanted relay activation during start-up and programming .

    Solder test.

    Effect:

    Sonoff 4CH, Geek Creit - Unwanted relay activation during start-up and programming .

    Initial tests show that it works as expected.
    Maybe it will be of use to someone.
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  • #6 19852226
    Daro1003
    Level 33  
    I also have a question about what the circuit at the ESP at the bottom of the board is responsible for ?

    Sonoff 4CH, Geek Creit - Unwanted relay activation during start-up and programming .
  • #7 19853686
    starob
    Level 29  
    It looks as if additional e.g. relays could be connected ?
  • #8 20040759
    Daro1003
    Level 33  
    Hello
    The circuit at the bottom of the board gives you the possibility to control from the remote control when soldered to the below solder points of the radio controller. They are even dedicated to this board and fit in the solder points. The module after the small modification above works nicely as a sonoff 4ch additionally has remote control after soldering the radio controller.
    Thanks gents for your help and non-directional problem.
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Topic summary

The discussion revolves around the Sonoff 4CH and Geek Creit modules, specifically addressing an issue where multiple relays activate unexpectedly during power-up and programming. Users suggest modifying the circuit by removing an additional processor that controls the relays and directly connecting the relays to the ESP pins. A user successfully desoldered the circuit and provided a pin mapping for relay control: GPIO 12 for relay 1, GPIO 5 for relay 2, GPIO 4 for relay 3, and GPIO 15 for relay 4. After these modifications, the module functioned as intended. Additionally, there is mention of a circuit at the bottom of the board that allows for remote control capabilities when connected to a radio controller.
Summary generated by the language model.
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