Bootstrap
How to connect power to the board?
You can connect board with Mini USB to your power.
How long should I wait after power on?
It takes some time to boot for the board. The on board LED will blink during the boot. When the red LED is blinking, boot has been finished successfully. You can start your WiFi configuration.
Network Configuration
Why can’t the board connect 5GHz WiFi?
Only 2.4GHz is supported for now.
How to reconfigure the board WiFi if my WiFi is changed?
Simply run rap wifi again. If it still does not work, press the most right RESET over 10 seconds for factory rest.
What should I do if no device is found with rap scan？
Please make sure rap wifi with correct SSID and password. If still no device found, you can rap scan -t <second> to increase the search time, e.g. rap scan -t 15`.
Do I need to connect board and my computer with cable?
No, rap wifi uses wireless. Cable is not required. Please make sure SSID and password are correct and your board and computer are in same WiFi.
My WiFi configuration does not work. Is there any other approach to configure my network?
Refer to here to find more configuration apporoaches.
Hareware Configuration
What’s the on-board button configuration?
Refer to here。
How to connect device to board?
run rap layout --visual and it will tell you how connect. Then connect them with Dupont Line.
Can I use the device beyond the development kit?
Sure, but you need to make sure you have found driver Rap Registry, or you can write a driver for it.
Why is my sensor insensitive?
Some sensor sensitivity is adjustable. A screw can be found in sensor. Try to adjust it by yourself.
How do I know the voltage of device?
Go to Rap Registry, search your device. The voltage will be in device information page.
How to reset the board?
The on-board red button is used to restart your system. The most right black button is used for factory RESET: press it over 10 seconds.
Development
What should I do if nothing is happen for rap log?
Please make sure you run rap log in your application directory. Connected to device will be shown if connected.
What should I do if rap deploy is stuck?
Press Ctrl + C and then retry.
How can I do if no device is found for rap device add?
Please make sure the model exists in Rap Registry.
Can I customize device ID for rap device add?
Yes, it’s for you. This ID is used to control your device in application. Note: ID is different from model. Model is used to search device in Rap Registry.
Why doesn’t rap start work?
Please use rap log to check what happen.
How to update driver?
rap device update <ID>
Firmware
How can I upgrade Ruff firmware?
Refer to here.
Why can’t the board connect to WiFi after upgrade?
rap wifi is required for firmware upgrade.