In order to find the temperature, we have several option but the first choice will be…
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![](https://theorycircuit.com/wp-content/uploads/2016/07/humidity-temperature-arduino.jpg)
RHT03 Humidity and Temperature Sensor with Arduino
Digital Relative Humidity & Temperature sensor RHT03 is small size, low power consumption and cheap to…
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Automatic fan speed control circuit by Arduino
Speed of fan can be varied by changing the input supply, if w…
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Arduino Internal temperature sensor
Most AVR chips (microcontrollers) have an internal temperature sensor, hence we can use this option to…
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Temperature level bar graph using LM35 with Arduino
The bar graph LED output is very easy to understand the level of output. Here we…
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Humidity Sensor with Arduino
For humidity and temperature reading the DHT22 sensor will be…
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