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+---- Wątek: DTH22 showing ZERO (/showthread.php?tid=707)
DTH22 showing ZERO - seramea - 03-28-2016
Hello,
From time to time DTH22 sensor is showing zero humidity and zero temperature. Any ideea why? I am having conected to "LAN CONTROLER" an relay board which is having a heater and two ventilators. I have to restart the board to fix the problem.
Thanks for your answer.
Cześć,
Od czasu do czasu czujnika DTH22 wykazuje zerową wilgotności i temperatury zera . Wszelkie ideea dlaczego? Mam conected do "LAN Controler " deska do przekaźnika , który jest o grzałkę oraz dwa wentylatory . Muszę ponownie uruchomić płytę , aby rozwiązać problem .
Dzięki za odpowiedź.
Re: DTH22 showing ZERO - seramea - 04-04-2016
Any ideea?
Re: DTH22 showing ZERO - wilkxt - 04-13-2016
you must restrt board to fix problem? Or value 0 are only by moment?
Re: DTH22 showing ZERO - levykrak - 04-14-2016
First you should try disconnect power to DHT. If this fix your problem buy new one sensor
Re: DTH22 showing ZERO - seramea - 04-18-2016
Thank for your answer. I have to unplug the power for the board. Restarting from the webpage is not fixing the problem. I have seen that the problem is starting when an relay is going on ON. I have an relay board with four power relay. I will try to buy a new sensor. I even try to add an capacitor between vcc and gnd but is not fixing the problem