patb/i96: Documentation and apps for the OrangePi-i96 board. Fixes the GPIO access, and includes notes to help make the board more useable

Pat Beirne c271c4cca8 README.md is beefed up; i2c demo scripts are included		2 년 전
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i2cscan.py	c271c4cca8 README.md is beefed up; i2c demo scripts are included	2 년 전
i2cscan2.py	c271c4cca8 README.md is beefed up; i2c demo scripts are included	2 년 전
lcd.py	c271c4cca8 README.md is beefed up; i2c demo scripts are included	2 년 전
lcd_ip.py	c271c4cca8 README.md is beefed up; i2c demo scripts are included	2 년 전
smbus.py	c271c4cca8 README.md is beefed up; i2c demo scripts are included	2 년 전