DORHEA TF Micro SD Card Slot Badusb USB Virtual Keyboard ATMEGA32U4 Module for Arduino Leonardo R3 Bad USB CJMCU

Controller: ATmega32u411 Frequency: 16 MHz Working voltage: 5V Digital IO port: 20 PWM channels: 7 Analog inputs: 12 5V digital / analog maximum allowable current: 40 mA 3.3V digital / analog maximum allowable current: 50 mA Flash Memory: 32 KB (ATmega32u4) of which 4 KB used by bootloader SRAM: 2.5 KB (ATmega32u4) EEPROM: 1 KB (ATmega32u4) The module has 6 buffers 7HC4050 on board, leading out serial UART, IIC, SPI, reset pin and button. Small board size: 29.5mm * 21.3mm with MicroSD card slot (excluding memory card) Package Included: 1 x ATMEGA32U4 Virtual Keyboard Module 1 x Pin header