Answer following questions based on the circuit 1. By connecting Pins 1 and I at the 'Range Selection’ terminal, the output of the temperature sensor is fed into the Arduino Nano via a buffer (voltage follower) (Fig. 1). The gain of the buffer (voltage follower) is: …………….., and thus, the amplified output voltage range of the sensor is: ………………………. The purpose of the buffer (voltage follower) is: 2. The output of the temperature sensor is fed into Arduino Nano and digitised by a 10-bit ADC (analogue to digital converter). (a) What is the theoretical resolution of the 10-bit ADC is (assuming ADC VREF = 5.00V): …………………. (mV/bit) (b) If the non-inverting amplifier is applied, the sensitivity of the temperature measurement in bit is roughly: ………………… (bits per °C) (c) If the buffer amplifier is applied, the sensitivity of the temperature measurement in bit is roughly: …………………. (bits per °C) (d) Comment on your calculation in terms of the sensitivity of the measurement.

Answer following questions based on the circuit

1. By connecting Pins 1 and I at the 'Range Selection’ terminal, the output of the temperature sensor is fed into the Arduino Nano via a buffer (voltage follower) (Fig. 1).

The gain of the buffer (voltage follower)  is: ……………..,

and thus, the amplified output voltage range of the sensor is: ……………………….

The purpose of the buffer (voltage follower) is:

2. The output of the temperature sensor is fed into Arduino Nano and digitised by a 10-bit ADC (analogue to digital converter).

(a) What is the theoretical resolution of the 10-bit ADC is (assuming ADC V_REF = 5.00V):

…………………. (mV/bit)

(b) If the non-inverting amplifier is applied, the sensitivity of the temperature measurement in bit is roughly:

………………… (bits per °C)

(c) If the buffer amplifier is applied, the sensitivity of the temperature measurement in bit is roughly:

…………………. (bits per °C)

(d) Comment on your calculation in terms of the sensitivity of the measurement.