Easy IoT is a simplest IoT Solution presented by DFRobot
By andywang
hi all,

i bought 1 pcs firebeetle-ESP(DRF0478) from DFROBOT, after i upload ESP32 Deep sleep scratch, the COM feedback is "wait download", i think there is something wrong in my Arduino IDE set up sincei previous used is ESP32 DEV KIT board. anybody can tell me how to fix it?