You will require the following for this chapter:
- The Raspberry Pi Robot and the code from the previous chapters
- Two HC-SR04 ultrasonic sensors
- Male to female jumpers
- Breadboard pre-cut jumper wires kit
- Two additional bidirectional level shifters (I2C safe), soldered, as shown in Chapter 9, Programming RGB Strips in Python.
- Two brackets for the HC-SR04 sensor
- A crosshead screwdriver
- Miniature spanners or small pliers
- The code for this chapter will be available on GitHub
Check out the following video to see the Code in Action: