#I2C:R,90,2 #read 2 bytes
#I2C:W,90,2,0 #write 2 bytes
#I2C:S,0a,0 #scan in write mode 
#I2C:S,0a,1 #scan in read mode
#I2C:T,90,2,3,0,0 #WriteRead with W:2 R:3 Wbyte0,Wbyte1
SLEEP:500
