ESP32 上的程序 基于 Arduino 和 Blynk
/*************************************************************
Download latest Blynk library here:
https://github.com/blynkkk/blynk-library/releases/latest
Blynk is a platform with iOS and Android apps to control
Arduino, Raspberry Pi and the likes over the Internet.
You can easily build graphic interfaces for all your
projects by simply dragging and dropping widgets.
Blynk library is licensed under MIT license
This example code is in public domain.
*************************************************************
This example runs directly on ESP32 chip.
Note: This requires ESP32 support package:
https://github.com/espressif/arduino-esp32
Please be sure to select the right ESP32 module
in the Tools -> Board menu!
Change WiFi ssid, pass, and Blynk auth token to run :)
Feel free to apply it to any other example. It's simple!
*************************************************************/
/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "your_auth"; //改成你自己的 auth
// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "wifi_name"; //改成你自己的 wifi 名稱
char pass[] = "wifi_password"; //改成你自己的 wifi 密碼
int powerPin = 25; //dac輸出腳
BLYNK_WRITE(V1)
{
float tmpVal;
tmpVal = param.asInt();
tmpVal = tmpVal / 100; // assigning incoming value from pin V1 to a variable
tmpVal = tmpVal / 6; //根據(jù)分壓電阻調(diào)整系數(shù)
tmpIntVal = tmpVal * 256 /3.3;
dacWrite(powerPin, tmpIntVal);
}
void setup()
{
// Debug console
Serial.begin(115200);
Blynk.begin(auth, ssid, pass);
}
void loop()
{
Blynk.run();
} |
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