Homework

In this topic we are using thermistors as our heat sensors.

1. What two words are combined to make the word ‘thermistor’?

2. What are the advantages and disadvantages of using thermistors?

3. What are the two main types of thermistors?

4. What is a thermocouple?

5. What is a bimetal thermostat?

6. Complete the following sentences:

Thermistors are used as _____________ sensors, for example, in fire alarms. Their resistance ___________ as the temperature ____________.

At _____ temperatures, the resistance of a thermistor is high, and ______ current can flow through them.

At _____ temperatures, the resistance of a thermistor is low, and _____ current can flow through them.

High low little more temperature increases decreases

In this topic we are using a positional rotation servo.

1. What are the other two types of servo?

2. Find 5 different industrial applications for servos?

3. What is the difference between a stepper motor and a servo motor?

4. What is the difference between a DC motor and a servo motor?

5. Label the below diagram.

1. Upload a Pinout diagram of a Genie 08 PIC chip and label each pin.

2. Describe how each pin is used and give an example of what it would be connected to.

Upload your work and upload it to www.bournetolearn.com homework 3 badge.