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| /* An ESP32 or ESP8266 provides a sensor client that uploads sensor data to a sensor server | ||
| The 'MIT License (MIT) Copyright (c) 2018 by David Bird'. | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated | ||
| documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, | ||
| distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the | ||
| following conditions: | ||
| The above copyright ('as annotated') notice and this permission notice shall be included in all copies or substantial portions of the Software and where the | ||
| software use is visible to an end-user. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR OR COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| See more at http://www.dsbird.org.uk | ||
| */ | ||
| #ifdef ESP8266 | ||
| #include <ESP8266WiFi.h> // Built-in | ||
| #include <ESP8266WiFiMulti.h> // Built-in | ||
| #else | ||
| #include <WiFi.h> // Built-in | ||
| #include <WiFiMulti.h> // Built-in | ||
| #endif | ||
| #include <WiFiClient.h> // Built-in | ||
| #include <WEMOS_SHT3X.h> // https://github.com/wemos/WEMOS_SHT3x_Arduino_Library | ||
| #include <Wire.h> // Built-in | ||
|
|
||
| // Local ESP web-server address | ||
| String UploadData; | ||
| float sensor_temperature, sensor_humidity, sensor_pressure, sensor_spare; | ||
|
|
||
| /* Instructions: | ||
| * 1. Check which pin your sensor is conencted to, if not a WEMOS D1 Mini, then change D4 to the pin number | ||
| * 2. Change 'SensorNumber' to your requirements | ||
| * 3. Change 'SensorType' to match your sensor e.g. SHT30, SHT31 or SHT35 | ||
| * 4. Adjust the DHT sensor type on line 8-10 above | ||
| * 5. Adjust sleep time as required. Maximum of 1-hour on an ESP8266 | ||
| * 6. Change the sensorserver host address to match your server's setting | ||
| */ | ||
|
|
||
| // This is device 'sensor-1' adjust these definitions to make each sensor unique | ||
| #define SensorNumber 3 | ||
| #define SensorType "SHT30-1" // You can make these sensor names unique e.g. SHT30-1 and SHT30-2, or your own choice | ||
| // ************************************************************************************************************* | ||
| // **** NOTE: The ESP8266 only supports deep sleep mode by connecting GPIO 16 to Reset | ||
| // Wiring: ESP8266 16 -> ESP8266 RST (or D0 for GPIO16 on most ESP8266 Dev Boards | ||
| // | ||
| // !!!!! REMEMBER TO REMOVE THE GPIO16 to RST link for (re) programming, otherwise it remains in a RESET state.. | ||
| // | ||
| // ************************************************************************************************************* | ||
| int SleepTime = 30 * 60 * 1000000; //SleepTime of 30mins | ||
| //This is the central servers address, all sensors need to know this | ||
| const char* ServerHost = "192.168.0.99"; // this is the IP address of the central sensor server | ||
|
|
||
| WiFiClient client; | ||
|
|
||
| #ifdef ESP8266 | ||
| ESP8266WiFiMulti wifiMulti; | ||
| #else | ||
| WiFiMulti wifiMulti; | ||
| #endif | ||
|
|
||
| SHT3X sht30(0x45); // SHT30 object to enable readings (I2C address = 0x45) | ||
|
|
||
| void setup() { | ||
| Serial.begin(115200); | ||
| Serial.println("...Connecting to Wi-Fi"); | ||
| WiFi.mode(WIFI_STA); | ||
| // AP Wi-Fi credentials | ||
| wifiMulti.addAP("ssid_for_AP_1", "your_password_for_AP_1"); | ||
| wifiMulti.addAP("ssid_for_AP_2", "your_password_for_AP_2"); | ||
| wifiMulti.addAP("ssid_for_AP_3", "your_password_for_AP_3"); | ||
| // Etc | ||
| while (wifiMulti.run() != WL_CONNECTED) { // Wait for the Wi-Fi to connect: scan for Wi-Fi networks, and connect to the strongest of the networks above | ||
| delay(250); | ||
| Serial.print('.'); | ||
| if (millis() > 40000) ESP.restart(); // If more than 40-secs since start-up, then Restart | ||
| } | ||
| Serial.print("\n\rWi-Fi connected\n\rIP address: "); | ||
| Serial.println(WiFi.localIP()); | ||
| Serial.println("\n\r...Wi-Fi connected"); | ||
| sht30.get(); // Update temp and humi | ||
| sensor_temperature = sht30.cTemp; | ||
| sensor_humidity = sht30.humidity; | ||
| while (isnan(sensor_temperature) && isnan(sensor_humidity)) { | ||
| Serial.println(sensor_temperature); | ||
| sensor_temperature = sht30.cTemp; | ||
| sensor_humidity = sht30.humidity; | ||
| } | ||
| CollectUploadData(); | ||
| SendHttpPOST(); | ||
| Serial.println(UploadData); | ||
| #ifdef ESP8266 | ||
| ESP.deepSleep(SleepTime, WAKE_RF_DEFAULT); // Sleep for the time set by 'UpdateInterval' | ||
| #else | ||
| ESP.deepSleep(SleepTime); // Sleep for the time set by 'UpdateInterval' | ||
| #endif | ||
| } | ||
|
|
||
| void loop() { | ||
| } | ||
|
|
||
| void SendHttpPOST() { | ||
| // Loop until we're reconnected | ||
| while (!client.connected()) { | ||
| Serial.print("Attempting connection..."); | ||
| if (client.connect(ServerHost,80)) { | ||
| Serial.println("connected"); | ||
| } else { | ||
| Serial.println(" try again in 500 ms"); | ||
| delay(500); // Wait 0.5 seconds before retrying | ||
| } | ||
| } | ||
| client.println("GET /"+UploadData+" HTTP/1.1\n\r"); | ||
| client.println("Host: "+String(ServerHost)); | ||
| client.println("Connection: close"); | ||
| client.stop(); | ||
| } | ||
|
|
||
| void CollectUploadData() { | ||
| Serial.println("...Submitting Upload request"); | ||
| UploadData = "sensor?Sensor="+String(SensorNumber); | ||
| UploadData += "&temperature="+String(sensor_temperature); | ||
| UploadData += "&humidity="+String(sensor_humidity); | ||
| UploadData += "&pressure="+String(sensor_pressure); | ||
| UploadData += "&spare="+String(sensor_spare); | ||
| UploadData += "&sensortype="+String(SensorType); | ||
| Serial.println("...Information to be uploaded: "+UploadData); | ||
| } | ||
| /* An ESP32 or ESP8266 provides a sensor client that uploads sensor data to a sensor server | ||
| The 'MIT License (MIT) Copyright (c) 2018 by David Bird'. | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated | ||
| documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, | ||
| distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the | ||
| following conditions: | ||
| The above copyright ('as annotated') notice and this permission notice shall be included in all copies or substantial portions of the Software and where the | ||
| software use is visible to an end-user. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR OR COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| See more at http://www.dsbird.org.uk | ||
| */ | ||
| #ifdef ESP8266 | ||
| #include <ESP8266WiFi.h> // Built-in | ||
| #include <ESP8266WiFiMulti.h> // Built-in | ||
| #else | ||
| #include <WiFi.h> // Built-in | ||
| #include <WiFiMulti.h> // Built-in | ||
| #endif | ||
| #include <WiFiClient.h> // Built-in | ||
| #include <WEMOS_SHT3X.h> // https://github.com/wemos/WEMOS_SHT3x_Arduino_Library | ||
| #include <Wire.h> // Built-in | ||
|
|
||
| // Local ESP web-server address | ||
| String UploadData; | ||
| float sensor_temperature, sensor_humidity, sensor_pressure, sensor_spare; | ||
|
|
||
| /* Instructions: | ||
| * 1. Check which pin your sensor is conencted to, if not a WEMOS D1 Mini, then change D4 to the pin number | ||
| * 2. Change 'SensorNumber' to your requirements | ||
| * 3. Change 'SensorType' to match your sensor e.g. SHT30, SHT31 or SHT35 | ||
| * 4. Adjust the DHT sensor type on line 8-10 above | ||
| * 5. Adjust sleep time as required. Maximum of 1-hour on an ESP8266 | ||
| * 6. Change the sensorserver host address to match your server's setting | ||
| */ | ||
|
|
||
| // This is device 'sensor-1' adjust these definitions to make each sensor unique | ||
| #define SensorNumber 3 | ||
| #define SensorType "SHT30-1" // You can make these sensor names unique e.g. SHT30-1 and SHT30-2, or your own choice | ||
| // ************************************************************************************************************* | ||
| // **** NOTE: The ESP8266 only supports deep sleep mode by connecting GPIO 16 to Reset | ||
| // Wiring: ESP8266 16 -> ESP8266 RST (or D0 for GPIO16 on most ESP8266 Dev Boards | ||
| // | ||
| // !!!!! REMEMBER TO REMOVE THE GPIO16 to RST link for (re) programming, otherwise it remains in a RESET state.. | ||
| // | ||
| // ************************************************************************************************************* | ||
| int SleepTime = 30 * 60 * 1000000; //SleepTime of 30mins | ||
| //This is the central servers address, all sensors need to know this | ||
| const char* ServerHost = "192.168.0.99"; // this is the IP address of the central sensor server | ||
|
|
||
| WiFiClient client; | ||
|
|
||
| #ifdef ESP8266 | ||
| ESP8266WiFiMulti wifiMulti; | ||
| #else | ||
| WiFiMulti wifiMulti; | ||
| #endif | ||
|
|
||
| SHT3X sht30(0x45); // SHT30 object to enable readings (I2C address = 0x45) | ||
|
|
||
| void setup() { | ||
| Serial.begin(115200); | ||
| Serial.println("...Connecting to Wi-Fi"); | ||
| WiFi.mode(WIFI_STA); | ||
| // AP Wi-Fi credentials | ||
| wifiMulti.addAP("ssid_for_AP_1", "your_password_for_AP_1"); | ||
| wifiMulti.addAP("ssid_for_AP_2", "your_password_for_AP_2"); | ||
| wifiMulti.addAP("ssid_for_AP_3", "your_password_for_AP_3"); | ||
| // Etc | ||
| while (wifiMulti.run() != WL_CONNECTED) { // Wait for the Wi-Fi to connect: scan for Wi-Fi networks, and connect to the strongest of the networks above | ||
| delay(250); | ||
| Serial.print('.'); | ||
| if (millis() > 40000) ESP.restart(); // If more than 40-secs since start-up, then Restart | ||
| } | ||
| Serial.print("\n\rWi-Fi connected\n\rIP address: "); | ||
| Serial.println(WiFi.localIP()); | ||
| Serial.println("\n\r...Wi-Fi connected"); | ||
| sht30.get(); // Update temp and humi | ||
| sensor_temperature = sht30.cTemp; | ||
| sensor_humidity = sht30.humidity; | ||
| while (isnan(sensor_temperature) && isnan(sensor_humidity)) { | ||
| Serial.println(sensor_temperature); | ||
| sensor_temperature = sht30.cTemp; | ||
| sensor_humidity = sht30.humidity; | ||
| } | ||
| CollectUploadData(); | ||
| SendHttpPOST(); | ||
| Serial.println(UploadData); | ||
| #ifdef ESP8266 | ||
| ESP.deepSleep(SleepTime, WAKE_RF_DEFAULT); // Sleep for the time set by 'UpdateInterval' | ||
| #else | ||
| ESP.deepSleep(SleepTime); // Sleep for the time set by 'UpdateInterval' | ||
| #endif | ||
| } | ||
|
|
||
| void loop() { | ||
| } | ||
|
|
||
| void SendHttpPOST() { | ||
| // Loop until we're reconnected | ||
| while (!client.connected()) { | ||
| Serial.print("Attempting connection..."); | ||
| if (client.connect(ServerHost,80)) { | ||
| Serial.println("connected"); | ||
| } else { | ||
| Serial.println(" try again in 500 ms"); | ||
| delay(500); // Wait 0.5 seconds before retrying | ||
| } | ||
| } | ||
| client.println("GET /"+UploadData+" HTTP/1.1\n\r"); | ||
| client.println("Host: "+String(ServerHost)); | ||
| delay(500); // Delay needed for ESP32 | ||
| client.println("Connection: close"); | ||
| client.stop(); | ||
| } | ||
|
|
||
| void CollectUploadData() { | ||
| Serial.println("...Submitting Upload request"); | ||
| UploadData = "sensor?Sensor="+String(SensorNumber); | ||
| UploadData += "&temperature="+String(sensor_temperature); | ||
| UploadData += "&humidity="+String(sensor_humidity); | ||
| UploadData += "&pressure="+String(sensor_pressure); | ||
| UploadData += "&spare="+String(sensor_spare); | ||
| UploadData += "&sensortype="+String(SensorType); | ||
| Serial.println("...Information to be uploaded: "+UploadData); | ||
| } | ||
|
|