penpencool

#define SCL_PIN 5 //Default SDA is Pin5 PORTC for the UNO -- you can set this to any tristate pin
#define SCL_PORT PORTC
#define SDA_PIN 4 //Default SCL is Pin4 PORTC for the UNO -- you can set this to any tristate pin
#define SDA_PORT PORTC
#define I2C_TIMEOUT 100 //Define a timeout of 100 ms -- do not wait for clock stretching longer than this time
/*
I have included a couple of extra useful settings for easy reference.
//#define I2C_CPUFREQ (F_CPU/8)//Useful if you plan on doing any clock switching
#define I2C_FASTMODE 1 //Run in fast mode (400 kHz)
#define I2C_SLOWMODE 1 //If you do not define the mode it will run at 100kHz with this define set to 1 it will run at 25kHz

penpencool

// Example testing sketch for various DHT humidity/temperature sensors
// Written by ladyada, public domain

// REQUIRES the following Arduino libraries:
// - DHT Sensor Library: https://github.com/adafruit/DHT-sensor-library
// - Adafruit Unified Sensor Lib: https://github.com/adafruit/Adafruit_Sensor

#include "DHT.h"

#define DHTPIN 2     // Digital pin connected to the DHT sensor

penpencool

void setup() {
  Serial.begin(9600);
  pinMode(2, OUTPUT);
  pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
  Serial.println("ArduinoAll TESTED VERY EASY");
  digitalWrite(2, 0);
  digitalWrite(LED_BUILTIN, LOW);
  delay(1000);

penpencool

//ตัวส่ง ESP32
#include <esp_now.h>
#include <WiFi.h>

// แก้ไขค่า mac ตัวที่ต้องการส่งไปหา
 uint8_t broadcastAddress[] = {0xEC, 0x94, 0xCB, 0x6F, 0x11, 0x60};//ส่งไปหาเฉพาะ mac address
//uint8_t broadcastAddress[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};//ส่งไปหาทุกตัว

typedef struct struct_message { // สร้างตัวแปรแพ็จเกจแบบ struct
  char a[32];

penpencool

#include <ESP8266WiFi.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h>

ESP8266WebServer server(80);

void handleRoot() {
  server.send(200, "text/plain", "hello ALL esp8266!");
}

penpencool

#include <ESP8266WiFi.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h>
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  WiFiManager wifiManager;
  Serial.println("Connecting...");
  if (!wifiManager.startConfigPortal("All")) {

penpencool

// สร้างโดย Allnewstep.com รายละเอียดเพิ่มเติมที่นี่ https://www.allnewstep.com/p/146
#include <Wire.h>
#include <PN532_I2C.h>
#include <PN532.h>
#include <NfcAdapter.h>

PN532_I2C pn532i2c(Wire);
PN532 nfc(pn532i2c);

void setup(void) {

penpencool

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // pixel ความกว้าง
#define SCREEN_HEIGHT 64 // pixel ความสูง 

// กำหนดขาต่อ I2C กับจอ OLED
#define OLED_RESET     -1 //ขา reset เป็น -1 ถ้าใช้ร่วมกับขา Arduino reset

penpencool

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SH1106.h>

#define OLED_RESET 4
Adafruit_SH1106 display(OLED_RESET);

#define NUMFLAKES 10
#define XPOS 0

penpencool

/////////////////////////////////////////////////////////////////////////////////////////////////////
// BMP280_DEV - I2C Communications (Alternative Address), Default Configuration, Normal Conversion
/////////////////////////////////////////////////////////////////////////////////////////////////////

#include <BMP280_DEV.h>                           // Include the BMP280_DEV.h library

float temperature, pressure, altitude;            // Create the temperature, pressure and altitude variables
BMP280_DEV bmp280;                                // Instantiate (create) a BMP280_DEV object and set-up for I2C operation

void setup()