DOIT ESP32 DEVKIT V1

Table of Contents

• General Info
• Pinout
• Setup

General Information

• The ESP32 is dual core, this means it has 2 processors.
• It has Wi-Fi and bluetooth built-in.
• It runs 32 bit programs.
• The clock frequency can go up to 240MHz and it has a 512 kB RAM.
• This particular board has 36 pins, 18 in each row.
• It also has wide variety of peripherals available, like: capacitive touch, ADCs, DACs, UART, SPI, I2C and much more.
• It comes with built-in hall effect sensor and built-in temperature sensor.

Technologies Used

• Adruino 1.8.19

Pinout

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Setup

• Purchasing a Devkit: Amazon
• In Arduino IDE Preferences, in the Additional Boards Manager URLs textbox enter

https://dl.espressif.com/dl/package_esp32_index.json

• Select the board: Tools -> Boards Manager and search ESP32. Select the ESP32 by Espressif Systems.

Libraries used:

// OLED Display
#include <Arduino.h>
#include <U8g2lib.h>
#include <SPI.h>
#include <Wire.h>
// Constructor
U8G2_SH1106_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);

// BME280
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
// Constructor
Adafruit_BME280 bme;
// Setup
void setup() { 
  if (! bme.begin(0x76, &Wire)) {
      Serial.println("Could not find a valid BME280 sensor, check wiring!");
      while (1);
  }
}

// WiFi Weather Station
#include <WiFi.h>
#include <DNSServer.h>

// SD Card NAS
#include <WiFi.h>
#include <WiFiClient.h>
#include <WebServer.h>
#include <ESPmDNS.h>
#include <SD.h> 
#include <SPI.h>
#include <WiFiAP.h>