CJMCU Badusb USB Micro SD Virtual Keyboard ATMEGA32U4 Support TF Memory

Description Badusb USB microSD virtual keyboard TF memory LeonardoSize 21mm 30mm High Performance Low Power AVR 8 Bit Microcontroller Advanced RISC Architecture 135 Powerful Instructions Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Up to 16 MIPS Throughput at 16MHz On Chip 2 cycle Multiplier Non volatile Program and Data Memories 16 32KB of In System Self Programmable Flash 1 25 2 5KB Internal SRAM 512Bytes 1KB Internal EEPROM Write Erase Cycles 10 000 Flash 100 000 EEPROM Initializing SD card Initialization failed Things to check is a card inserted is your wiring correct did you change the chipSelect pin to match your shield or module Initializing SD card Wiring is correct and a card is present Card type SDHCVolume type is FAT32Volume size bytes 3519021056Volume size Kbytes 3436544Volume size Mbytes 3356Files found on the card name date and size in bytes Package included 1 x CJMCU Badusb USB MicroSD Virtual Keyboard TF Memory