SunFounder Pico-4wd car, Руководство пользователя

Страница: 29 / 67

SunFounder pico_4wd_car
Note: For the next chapter, 5. Assemble the Car , the servo must be held at 0°, so after this code run, do not turn the
servo shaft until the car is complete.
In the event that you accidentally turn the servo shaft, remove the rocker arm, run this code again, and then reassemble
the servo.
1.5 5. Assemble the Car
Note: When you assemble the ultrasonic module, you need to keep the servo at 0°, which is done in
Test the Servo
.
If you accidentally turn the servo shaft, please take down the rocker arm, run
test_servo.py
code again, and then
continue to assemble.
•
(PDF)Pico-4wd Assemble Instruction
1.6 6. Examples
Here are some interesting and useful Pico-4wd projects you can follow the tutorials to accomplish.
The flowcharts in each examples and the documentation can help you better understand the internal programming
principles.
1.6.1 Motor Calibration
Because of assembly methods and other reasons, your motor may still need a calibration direction. Otherwise, when
the car moves forward, it may turn left, turn right, or even go backwards. Please follow the following steps to complete
the calibration.
How to do
1. Select Correct Interpreter. Plug the Pico into your computer with a micro USB cable and select the “MicroPython
(Raspberry Pi Pico).COMXX” interpreter in the bottom right corner.
1.5. 5. Assemble the Car 25