Я вот так в шину FF3 отправлял:
PHP код:
unsigned char stmp0[8] = {0x80,0xC3,0x00,0x02,0x00,0x00,0x00,0x00};
unsigned char stmp1[8] = {0x80,0xC3,0x00,0x01,0x00,0x00,0x00,0x00};
void loop()
{
CAN0.sendMsgBuf(0x3A, 0, 8, stmp0);
delay(1000);
CAN0.sendMsgBuf(0x3A, 0, 8, stmp1);
delay(1000);
}