硬件改动
本次程序是基于ESP-01S模块,之前都是NodeMCU模块。程序区别不大,有区别的在于烧录配置。
Arduino 项目配置
开发板:Generic ESO8266 Module
Flash Size:1M(64K SPIFFS)
Flash Mode:DOUT
这几项很重要,不对的话会出问题。此坑已踩
IO配置
ESP-01S的IO配置如下:
GPIO0 – 0
GPIO2 – 2
本次采用IO2引脚与传感器通讯,因此配置为: #define DHTPIN 2
代码
/* *****************************************************************
*
* Download latest Blinker library here:
* https://github.com/blinker-iot/blinker-library/archive/master.zip
*
*
* Blinker is a cross-hardware, cross-platform solution for the IoT.
* It provides APP, device and server support,
* and uses public cloud services for data transmission and storage.
* It can be used in smart home, data monitoring and other fields
* to help users build Internet of Things projects better and faster.
*
* Make sure installed 2.5.0 or later ESP8266/Arduino package,
* if use ESP8266 with Blinker.
* https://github.com/esp8266/Arduino/releases
*
* Make sure installed 1.0.2 or later ESP32/Arduino package,
* if use ESP32 with Blinker.
* https://github.com/espressif/arduino-esp32/releases
*
* Docs: https://doc.blinker.app/
* https://github.com/blinker-iot/blinker-doc/wiki
*
* *****************************************************************
*
* Blinker 库下载地址:
* https://github.com/blinker-iot/blinker-library/archive/master.zip
*
* Blinker 是一套跨硬件、跨平台的物联网解决方案,提供APP端、设备端、
* 服务器端支持,使用公有云服务进行数据传输存储。可用于智能家居、
* 数据监测等领域,可以帮助用户更好更快地搭建物联网项目。
*
* 如果使用 ESP8266 接入 Blinker,
* 请确保安装了 2.5.0 或更新的 ESP8266/Arduino 支持包。
* https://github.com/esp8266/Arduino/releases
*
* 如果使用 ESP32 接入 Blinker,
* 请确保安装了 1.0.2 或更新的 ESP32/Arduino 支持包。
* https://github.com/espressif/arduino-esp32/releases
*
* 文档: https://doc.blinker.app/
* https://github.com/blinker-iot/blinker-doc/wiki
*
* *****************************************************************/
#define BLINKER_WIFI
#define BLINKER_MIOT_SENSOR
#include <Blinker.h>
#include <ESP8266WiFi.h>
int count = 0;
bool WIFI_Status = true;
char auth[] = "09403eac3fdc";
BlinkerNumber HUMI("humi");
BlinkerNumber TEMP("temp");
#include <DHT.h>
#define DHTPIN 2
#define DHTTYPE DHT11 // DHT 11
DHT dht(DHTPIN, DHTTYPE);
uint32_t read_time = 0;
float humi_read, temp_read;
/* 智能配网模式 */
void smartConfig()
{
WiFi.mode(WIFI_STA);//设置STA模式
Serial.println("\r\nWait for Smartconfig...");//打印log信息
WiFi.beginSmartConfig();//开始SmartConfig,等待手机端发出用户名和密码
while(1)
{
Serial.println(".");
digitalWrite(LED_BUILTIN,HIGH);//指示灯闪烁
delay(1000);
digitalWrite(LED_BUILTIN,LOW);//指示灯闪烁
delay(1000);
if(WiFi.smartConfigDone())//配网成功,接收到SSID和密码
{
Serial.println("SmartConfig Success");
Serial.printf("SSID:%s\r\n", WiFi.SSID().c_str());
Serial.printf("PSW:%s\r\n", WiFi.psk().c_str());
break;
}
}
}
void miotQuery(int32_t queryCode)
{
BLINKER_LOG("MIOT Query codes: ", queryCode);
heartbeat();
switch (queryCode)
{
case BLINKER_CMD_QUERY_PM25_NUMBER :
BLINKER_LOG("MIOT Query PM25");
BlinkerMIOT.pm25(20);
BlinkerMIOT.print();
break;
case BLINKER_CMD_QUERY_HUMI_NUMBER :
BLINKER_LOG("MIOT Query HUMI");
BlinkerMIOT.humi((int)humi_read);
BlinkerMIOT.print();
break;
case BLINKER_CMD_QUERY_TEMP_NUMBER :
BLINKER_LOG("MIOT Query TEMP");
BlinkerMIOT.temp((int)temp_read);
BlinkerMIOT.print();
break;
default :
BlinkerMIOT.temp((int)temp_read);
BlinkerMIOT.humi((int)humi_read);
BlinkerMIOT.pm25(20);
BlinkerMIOT.co2(20);
BlinkerMIOT.print();
break;
}
}
void dataRead(const String & data)
{
BLINKER_LOG("Blinker readString: ", data);
Blinker.vibrate();
uint32_t BlinkerTime = millis();
Blinker.print("millis", BlinkerTime);
}
void heartbeat()
{
HUMI.print(humi_read);
TEMP.print(temp_read);
}
void setup()
{
Serial.begin(115200);
BLINKER_DEBUG.stream(Serial);
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, LOW);
Serial.println("\r\n正在连接WIFI...");
while(WiFi.status()!=WL_CONNECTED)//判断是否连接WIFI成功
{
if(WIFI_Status)
{
Serial.print(".");
digitalWrite(LED_BUILTIN, HIGH);
delay(500);
digitalWrite(LED_BUILTIN, LOW);
delay(500);
count++;
if(count>=5)//5s
{
WIFI_Status = false;
Serial.println("WiFi连接失败,请用手机进行配网");
}
}
else
{
smartConfig(); //微信智能配网
}
}
Serial.println("连接成功");
Serial.print("IP:");
Serial.println(WiFi.localIP());
Blinker.begin(auth,WiFi.SSID().c_str(),WiFi.psk().c_str());
Blinker.attachData(dataRead);
BlinkerMIOT.attachQuery(miotQuery);
Blinker.attachHeartbeat(heartbeat);
dht.begin();
}
void loop()
{
Blinker.run();
if (read_time == 0 || (millis() - read_time) >= 1000)
{
read_time = millis();
float h = dht.readHumidity();
float t = dht.readTemperature();
if (isnan(h) || isnan(t)) {
BLINKER_LOG("Failed to read from DHT sensor!");
return;
}
float hic = dht.computeHeatIndex(t, h, false);
humi_read = h;
temp_read = t;
BLINKER_LOG("Humidity: ", h, " %");
BLINKER_LOG("Temperature: ", t, " *C");
BLINKER_LOG("Heat index: ", hic, " *C");
heartbeat();
}
}