UsbMorseKeyboard2 componente value qtd Vero Board 25/9 DIV 2 1 C1 100nF 15V 1 D1 1N4148 1 IC1 ATTINY45 1 R1 470Ω 0,5W 1 R2 1K 0,5W 1 R3, R4 100Ω 0,5W 2