04
Further practice
After you learn basic usage of the Piccorobo IoT, let's learn the advanced programming with reference to the VS-RC202 manual.
You can download the manual from the following URL.
And you can also download the robot example using VS-RC202. Check it.
https://www.vstone.co.jp/products/vs_rc202/download.html
05
FAQ
●
Cannot find Generic ESP8266 Module from board manager in the Arduino IDE.
→
Install the configuration file of ESP8266 in accordance with instruction as on P16 of the VS-RC202 manual.
●
Cannot upload sketch to board with the Arduino IDE.
→
It is possible that board selection or com port selection is wrong or USB cable is not connected.
●
Robot controller page is not displayed on browser.
→
Make sure that SSID and password of the Wi-Fi router in the sketch and IP address in URL field you entered are correct. (Note)
http://
might be needed to enter prior to IP address by some browser.
●
Settings of router and IP address are correct but the robot controller page is not displayed on browser.
→
You might have forgotten to upload the HMTL file to the board. Upload the HTML file in accordance with instruction on P18 of the VS-
RC202 manual.
●
Servo motor does not work properly.
→
There is a possibility that you mistook the order of the servo motor pin connection to the board. Turn off the power immediately and check the
order of the servo motor pin connection.
●
Abnormal noise from the servo motor.
→
There is a possibility that the servo motor is locked or is under a condition of heavy load. Turn off the power immediately and check the
course of the loading like if feet touching each other.
●
Response of the robot is bad.
→
When you operate the robot with browser, some delay might occur because of a weak wireless communication environment or something like
interfering data is transferring.
●
The robot turns off suddenly.
→
The board automatically turns off its power for safety when battery voltage falling down less
than a predetermined voltage or the board is under big electrical load because of connecting
many servo motors and or motor might be locked..
10