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Thread: Problem with FB Relays not working

  1. #1
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    Problem with FB Relays not working

    I just received the relays in the mail today, and tried to test them out. When I connect them to the FB, and run the FB software, I turn the relays on with the skin, and the LED's on the board light for each one plugged into 0 and 1 on the FB.

    I noticed there was no click sound when turning the relays on and off, even when holding one of them up to my ear. The temperature, Photocell and potentiometer are all working and showing correct readings on the analog in's, so communication with the FB is working perfectly.

    I first thought maybe the wires were soldered to the incorrect place so I grabbed the multimeter, and it is showing .0023 volts on the header pins on the relays for both Digital 0 and Digital 1. Trying to narrow down further, thinking the plugs could be bad, I tested and get the same voltage readings directly fro the pins on the FB itself. The yellow lights are on for both the digital outs I am testing.

    Isn't there supposed to be 5v on the pins when the digital out is on?

    So, thinking that it was possibly a bad board, I grabbed the other FB I have here. I get the same exact thing with that one. The analog in's work, but nothing on the digital outs.

    What am I doing wrong here, or is this a rare chance where both boards are not working correctly somehow? They are the 2 boards you guys sent me to replace the ones that were destroyed in my car accident. Thank you again! you guys are great!
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  2. #2
    Fusion Brain Creator 2k1Toaster's Avatar
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    Quote Originally Posted by JohnWPB View Post
    I just received the relays in the mail today, and tried to test them out. When I connect them to the FB, and run the FB software, I turn the relays on with the skin, and the LED's on the board light for each one plugged into 0 and 1 on the FB.

    I noticed there was no click sound when turning the relays on and off, even when holding one of them up to my ear. The temperature, Photocell and potentiometer are all working and showing correct readings on the analog in's, so communication with the FB is working perfectly.

    I first thought maybe the wires were soldered to the incorrect place so I grabbed the multimeter, and it is showing .0023 volts on the header pins on the relays for both Digital 0 and Digital 1. Trying to narrow down further, thinking the plugs could be bad, I tested and get the same voltage readings directly fro the pins on the FB itself. The yellow lights are on for both the digital outs I am testing.

    Isn't there supposed to be 5v on the pins when the digital out is on?

    So, thinking that it was possibly a bad board, I grabbed the other FB I have here. I get the same exact thing with that one. The analog in's work, but nothing on the digital outs.

    What am I doing wrong here, or is this a rare chance where both boards are not working correctly somehow? They are the 2 boards you guys sent me to replace the ones that were destroyed in my car accident. Thank you again! you guys are great!
    Just as before, the outputs do not match the pins. Refer to this table for the correct pinout: http://www.fusioncontrolcentre.com/F...rdware_004.php
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  3. #3
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    Sorry, I never saw that correction.

    On the link above the table looks like this:

    Port # Pin #
    0= 4
    1 = 5
    2 = 6
    3 = 3
    4 = 1
    5 = 2
    6 = 7
    7 = 0
    8 = 8
    9 = 9
    10= 10
    11 = 11


    What I have on my board differs a lot from the table above. I just went through 1 by switching each digital out on in the skin, and plugging in a relay till it clicked. The ones in BOLD below, are the ones that differ from what is above. Either there are different boards, with varying errors, or the below table can replace the one above for reference.

    0=4
    1=7
    2=5
    3=3
    4=0
    5=1
    6=2
    7=6
    8=8
    9=9
    10=10
    11=11
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  4. #4
    FLAC Dougw133's Avatar
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    Mine is different from the table above as well, and also than what you have shown.

  5. #5
    Constant Bitrate
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    I assume you all know I have been hacking the brain for a while now, and the model that I have the LED's and outputs mismatch as follows:
    (which I think is the recent one V3)

    Name:  FB_PINS.gif
Views: 150
Size:  4.2 KB

    This also does not agree with the values stated with the FBdemo test software.
    I have seen at least 3 different versions of these mismatch tables which is very strange indeed!

    I would be very interested if any other FB's do not conform to the above table.

  6. #6
    Constant Bitrate mx270a's Avatar
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    The FBdemo program is the way it is because that is how the pin layout is on my FBs.

  7. #7
    FLAC Dougw133's Avatar
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    I'm not complaining, I just assume 2k and greenman get these made by someone and if they are getting messed up they should know about it.

  8. #8
    Fusion Brain Creator
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    Quote Originally Posted by Dougw133 View Post
    I'm not complaining, I just assume 2k and greenman get these made by someone and if they are getting messed up they should know about it.
    It was actually our fault, but we decided that rather that we should just redesign the whole board... and thus, V4 was born... which by the way ships to us tomorrow!

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