Circuit Schematic LM35 and Arduino Interfacing

Arduino. - This is electronic Circuit Schematic LM35 and Arduino Interfacing like in Figure 1 below. In this circuit schematic the basic component used are Arduino UNO and LM35 Sensor. 

In here we will give you global description about Circuit Schematic LM35 and Arduino Interfacing and then we will give you link to continue your reading from original source as external website.

Circuit Schematic

Figure 1. Circuit Schematic LM35 and Arduino Interfacing (Source: Circuitstoday)

Component Part

1. LM335 sensor
2. Arduino UNO

Description

Circuit schematic like in Figure 1 above is Circuit Schematic LM35 and Arduino Interfacing. Circuitstoday site describe that  LM35 is an analog temperature sensor. This means the output of LM35 is an analog signal. Microcontrollers dont accept analog signals as their input directly. We need to convert this analog output signal to digital before we can feed it to a microcontroller’s input. For this purpose, we can use an ADC( Analog to Digital Converter).If we are using a basic microcontroller like 8051, we need to use an external ADC to convert analog output from LM35 to digital. We then feed the output of ADC ( converted digital value) to input of 8051. But modern day boards like Arduino and most modern day micro controllers come with inbuilt ADC. Our arduino uno has an in built 10 bit ADC (6 channel). We can make use of this in built ADC of arduino to convert the analog output of LM35 to digital output. Since Arduino uno has a 6 channel inbuilt ADC, there are 6 analog input pins numbered from A0 to A5. Connect analog out of LM35 to any of these analog input pins of arduino.

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