import serial import time ser = serial.Serial('COM3', 9600, timeout=1) time.sleep(2) 0xAA 0x01 [length] [text] [checksum] message = "HELLO" cmd = bytearray([0xAA, 0x01, len(message)]) + message.encode() checksum = sum(cmd) & 0xFF cmd.append(checksum)
delayMicroseconds(columnDelay);
void loop() if (syncTriggered) for (int col = 0; col < msgLength; col++) for (int row = 0; row < 8; row++) digitalWrite(ledPins[row], messageBuffer[col][row]); how to program usb led message fan
syncTriggered = false;