2023-7-6: * Compatible with different username, userhome * Fix bug of Ezb_Service send "debug" 2022-11-30: * Add congfigure parameter of auto-start user block program in /opt/ezblock/ezb-info.ini,default:disable auto start block program * Change tts engine to pico2wave * Fix bug of spider calibration 2022-7-14: * System apt full-update, fix the problem that the new batch of Raspberry Pi can't use Bluetooth properly 2022-7-7: * Optimize the calibration of picar-x, picrawler, and pisloth * Fix the function of saving high-resolution pictures in the camera 2022-6-13: * Fix the IO conflict between ADC battery reading and ADC joystick * Change the address of update package detection and download 2022-5-31: * Use Raspberry Pi's onboard Bluetooth to communicate with the app * Some changes related to app interaction * Add connection status sound effect and LED indicator * Add Bluetooth name and hosstname modification function 2021-01-11: * Download code speed than ezblock2.0.