sleep 10 sec. to wait for UART console
start i2c example - SHTC1
SHTC1_Init 
i2c_sel:1000
i2c_idx:0
RTL8195A[HAL]: ISR 0 didb't bee register!!!
SHTC1 init ok, id=0x87
temp=26.160507, humidity=40.524292, error=0
temp=26.125793, humidity=40.444946, error=0
temp=26.109772, humidity=40.370178, error=0
...