hiletgo badusb beetle bad usb microcontroller atmega32u4 development board virtual keyboard for arduino leonardo r3 dc 5v 16mhz hiletgo the equipment we provided for the use of the test, not for illegal purposes, or peril.<br> microcontroller: atmega32u4<br> clock speed: 16 mhz<br> operating voltage: 5v dc<br> digital i/o pins: 10<br> pwm channels: 4<br> analog input channels: 5<br> uart: 1<br> i2c: 1<br> micro usb: 1<br> flash memory: 32 kb of which 4kb used by bootloader<br> sram: 2.5 kb<br> eeprom: 1 kb<br><br> <b>package included:</b><br> 1 * badusb beetle usb atmega32u4 development board module