Programming # The NORVI EC-M11-EG-C4-S has a mini USB port for serial connection with the SoC for programming. Any ESP32-supported programming IDE can be used to program the controller. Follow this guide to programming NORVI ESP32-based controllers with the Arduino IDE.
SoC: ESP32-WROOM32
8-pin Connector and wire harness # Pin Description # 8P Male Wire color I/O Configuration 1 White Thermocouple + 2 Brown Thermocouple – 3 Green – 4 Yellow – 5 Gray – 6 Pink – 7 Blue Power+ 8 Red Power-
Thermocouple Input # SPI MISO GPIO19 SPI SCK GPIO18 CS GPIO5
Programming Thermocouple Inputs # #include <SPI.h>
#include "Adafruit_MAX31855.h"
#define MAXDO 19
#define MAXCS 5
#define MAXCLK 18 // Initialize the Thermocouple
Adafruit_MAX31855 thermocouple(MAXCLK, MAXCS, MAXDO);
void setup() {
Serial.begin(115200);
Serial.println("MAX31855 test"); // Wait for MAX chip to stabilize
delay(500);
Serial.print("Initializing sensor...");
if (!thermocouple.begin()) {
Serial.println("ERROR.");
while (1) delay(10);
}
Serial.println("DONE.");
}
void loop() {
Serial.print("Internal Temp = ");
Serial.println(thermocouple.readInternal());
double c = thermocouple.readCelsius();
if (isnan(c)) {
Serial.println("Thermocouple fault(s) detected!");
uint8_t e = thermocouple.readError();
if (e & MAX31855_FAULT_OPEN) Serial.println("FAULT: Thermocouple is open - no connections.");
if (e & MAX31855_FAULT_SHORT_GND) Serial.println("FAULT: Thermocouple is short-circuited to GND.");
if (e & MAX31855_FAULT_SHORT_VCC) Serial.println("FAULT: Thermocouple is short-circuited to VCC.");
}
else {
Serial.print("C = ");
Serial.println(c);
}
//Serial.print("F = ");
//Serial.println(thermocouple.readFahrenheit());
Serial.println("");
Serial.print("Analog Read : ");
Serial.print(analogRead(36));
Serial.println("");
delay(1000);
}LoRa Transceiver Module # Specification Long Range(LoRa) RF Transceiver Order depending on regional regulations SPI MISO GPIO19 SPI MOSI GPIO23 SPI SCK GPIO18 NSS GPIO26 DIO0 GPIO25 DIO1 GPIO27 DIO2 NOT CONNECTED RESET GPIO15
Programming LoRa Modules # #include <lmic.h>
#include <hal/hal.h>
#include <SPI.h>
#define CONFIRMED_MSG_RETRY_COUNT 3
static const u1_t PROGMEM APPEUI[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
void os_getArtEui (u1_t* buf) {
memcpy_P(buf, APPEUI, 8);
}
static const u1_t PROGMEM DEVEUI[8] = {0x4B, 0x11, 0x3F, 0xB1, 0x3C, 0xBE, 0xD6, 0x56};
void os_getDevEui (u1_t* buf) {
memcpy_P(buf, DEVEUI, 8);
}
static const u1_t PROGMEM APPKEY[16] = {0xF9, 0x65, 0xE4, 0xED, 0xFF, 0x8A, 0x89, 0x27, 0x23, 0xA6, 0xB7, 0x42, 0x2F, 0x05, 0x8E, 0x9F};
void os_getDevKey (u1_t* buf) {
memcpy_P(buf, APPKEY, 16);
}
static uint8_t mydata[] = "Hello, world!";
static osjob_t sendjob;
const unsigned TX_INTERVAL = 60;
const lmic_pinmap lmic_pins = {
.nss = 26,
.rxtx = LMIC_UNUSED_PIN,
.rst = 15,
.dio = {25, 27, -1},
};
void printHex2(unsigned v) {
v &= 0xff;
if (v < 16)
Serial.print('0');
Serial.print(v, HEX);
}
