Afrter performing the following steps:
Uninstall Arduino software
Delete Documents/libraries folder
Delete Users/.../AppData/Auduino15 folder
Download 1.8.12 Windows installer from:
https://www.arduino.cc/en/Main/Software
Install Arduino software
Set boards manager URL
Install Arduino SAMD boards version 1.8.5
Install TinyCircuits SAMD boards version 1.1.0
Download libraries:
https://github.com/TinyCircuits/TinyCircuits-TinierScreen-Lib
https://github.com/TinyCircuits/TinyCircuits-GraphicsBuffer-Lib
https://github.com/TinyCircuits/TinyCircuits-Wireling-Lib/
https://github.com/adafruit/Adafruit_TCS34725/archive/master.zip
https://github.com/TinyCircuits/TinyCircuits-TinyShield_Motor_Library/archive/master.zip
Install libraries
Follow instructions at:
https://learn.tinycircuits.com/Wirelings/RobotZero_Tutorial/
I get the following error:
Arduino: 1.8.12 (Windows 10), Board: "RobotZero, Default"
RobotArmExample:17:10: fatal error: ATtiny841Lib.h: No such file or directory
#include <ATtiny841Lib.h>
^~~~~~~~~~~~~~~~
compilation terminated.
exit status 1
ATtiny841Lib.h: No such file or directory
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.