• 00-BASIC-52 Example -> Develop routines by BASIC-52 V1.31+I2C extension
• 01-Keil Example -> Develop routines by Keil
• 02-Arduino Example -> Develop routines by Arduino
• 03-SDCC Example -> Develop routines by makefiles, using the SDCC compiler
• 04-HDK -> Official development materials and SCH

Hold down the P36 button and reinsert the USB Cable. For Keil&SDCC Example, the way to enter the burn mode from App is to hold down the P36 key, click the RST key, and release the P36 key 0.5S later to enter the ISP mode