Learning Arduino: Interfacing with Analog Devices

Take your Arduino projects to the next level. Learn how to connect analog devices—sensors and circuits, LEDs, joysticks, and stepper motors—to your Arduino board.

Introduction

• Integrating analog devices with Arduino
• What you should know before watching

1. Analog Inputs

• What are analog devices?
• Understanding analog-to-digital converters
• Exploring our temperature sensor (TMP37)
• Understanding how to interpret the sensor values
• Interpreting the sensor values
• Wiring up the temperature sensor
• Coding to read the temperature sensor
• LDR (light-dependent resistor) sensor
• Using a voltage divider with our LDR
• Wiring up our LDR circuit
• Coding to read the LDR circuit
• Joystick module
• Wiring up our joystick
• Coding the joystick circuit

2. Analog Outputs

• How Arduino generates analog output
• Understanding pulse-width modulation (PWM)
• Understanding the analogWrite function with PWM
• Wire up an LED
• Write code to use PWM with the LED
• Understanding the map() function
• Wiring a potentiometer to control LED
• Coding to control the LED with a potentiometer

3. Interfacing with a Stepper Motor

• Stepper motor introduction
• Unipolar stepper motors
• Stepper motor driver board ULN2003
• Wiring a stepper motor to Arduino
• Coding to control the motor directly
• Exploring the Stepper Library
• Coding for the stepper motor
• Coding using the Stepper() function

4. Projects

• Using the joystick to control LEDs
• Wiring up the joystick and LEDs
• Coding for the joystick and LEDs
• Using an LDR sensor to control a motor
• Wiring
• Coding the LDR and sensor
• Using a joystick to control a motor
• Wiring up the joystick and motor
• Coding the joystick and motor

Conclusion

• Next steps