#include #include void setup() { Serial.begin(115200); Serial.println("ESP32-Arduino-CAN Receive Basic Demo"); ESP32Can.CANInit(GPIO_NUM_5, GPIO_NUM_4, ESP32CAN_SPEED_500KBPS); } void loop() { twai_message_t rx_frame; ESP32Can.CANReadFrame(&rx_frame); Serial.print(rx_frame.identifier, HEX); Serial.print(" "); Serial.print(rx_frame.data_length_code); for (int i=0; i