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  1. C

    HOWTO - Make a BrewPi Fermentation Controller For Cheap

    That isn't probably. The conexions are OK, and it worked sure for me very well during 3 batches. Now, the problem comes when the Brewpi script order to fire the heater (relay 2) then the relay's led in board changes to red normally, but when that order to stop, led becomes off but the heater...
  2. C

    HOWTO - Make a BrewPi Fermentation Controller For Cheap

    I've got the similar problem with SainSmart 2 Channel Relay board, but in inverse. Mi brewpi was running ¡BOTH! channel 1 (freezer) and 2 (heater) at the same time all night long. The result is a fermenting beer at 154F!, :( in appearance because the relay 2 (heater) doesn't stop ever (perhaps...
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