Testing A Target
Place the Mode switch to “TEST” on the main circuit board. Choose a primary color target like a red ball. Turn on the LCD, CMU-01 camera and main circuit board power.
The LCD should display “C-Bot Tracker” upon start up. Check the LCD panel you may need to adjust the contrast to see the text information, see figure 14.
![C-Bot Tracker on LCD](https://www.imagesco.com/articles/c-bot/figure14.jpg)
The next LCD display will say “Blink LED”, see figure 15. The green LED should blink several times with a time period of 200 milliseconds. This establishes that the communication link between the PIC microcontroller and CMU-01 is working properly.
![Blink Track LED](https://www.imagesco.com/articles/c-bot/figure15.jpg)
The next display states "Color & AE on" on LCD line 1 and "Wait 5 sec." on LCD line2, see figure 16. The CMU-01 camera should be facing a blank wall to help it adjust for the ambient light.
![Color and AE on Wait 5 seconds](https://www.imagesco.com/articles/c-bot/figure16.jpg)
The next display states "Place Target" on LCD line 1 and "5 sec." on LCD line 2, see figure 17. In addition the green LED will blink ten times with a period of 500 milliseconds. You have five seconds to place your target object in front of the CMU camera lens.
![Place Target 5 seconds](https://www.imagesco.com/articles/c-bot/figure17.jpg)
The next display states that the target is captured.