The following steps will describe how to modify the Mini Round Robot Blynk app you built in Chapter 2, Building a Mini Round Robot with Original ESP8266, to read and display the distance traveled and average speed of the chassis:
- Open the Mini Round Robot Blynk app (Figure 3.5). Switch the app to the EDIT mode if it is in the PLAY mode:
- Tap on the Widget Box icon to get the list of widgets. Then, tap on the Labeled Value widget under the DISPLAYS section (Figure 3.6):