Open the 9V battery box and insert the 9V battery. Make sure to switch off the battery box before inserting the battery:
- Apply a piece of double tape to the battery box (Figure 2.10):
Figure 2.10: Applying a piece of double tape. Image courtesy of Adafruit Industries (https://www.adafruit.com); Image credits—John Park
- Then place the battery box on the chassis layer between the two motors (Figure 2.11):
Figure 2.11: Attaching a 9V battery box. Image courtesy of Adafruit Industries (https://www.adafruit.com); ...