I was attempting one of the project of DHT11 and connected the sensor to my arduino board but when the current passed the sensor became very hot and i think it is damaged now. Please help me
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help you with what? ... what is your question? ... please add your question to your post above ... do not use comments – jsotola Feb 23 '23 at 17:35
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From how you describe your issue, it sounds like you caused a short circuit. You probably hooked it up wrong. (backwards perhaps?)
If that's the case, you probably fried your sensor and you'll need to get a new one.
Mistakes happen, I've cooked my fair share of electronics. Just try to be careful to wire things up properly.
VCC is positive, GND is ground.
Andrew George
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Throw the old one away, get another then check the wiring. If it is the same do not power it up. You can leave the data and VCC leads off, then place the black lead of your meter on gnd and the red on VCC wire if you get a positive voltage it is oriented the correct way. Now be sure the ground is on the pin marked ground. Now just connect VCC and be sure all is OK. If so now connect the data. Be sure the data is connected to a pin that is set as an input. On reset it will be initialized as an input, be sure to do the same in your setup() part of your program.
Gil
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