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– No additional optics
Since this chip is a special bidirectional level change
As a result
it has integrated MCU
NOTE: Batteries once sold are non-returnable and non-exchangeable
DHT11 Temperature and Humidity Module Style:Sensor – No additional opticsThe DHT11 is a basic, ultra low cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so when using our library, sensor readings can
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