Arduino ESP8266 Sent Sensor data to IoT ThingSpeak
( Internet of Things )A major component of or rather the very concept, Internet of Things, is about how to connect various devices to the network so that they can both send data and receive commands. Various technologies to address the last mile connectivity, such as Bluetooth, WiFi, NFC, etc... already exist, but most of these are complicated to deploy and often need additional hardware such as a local control server or appliance.
System Diagram
Hardware
- Arduino Board or compatible board
- ESP8266 WiFi Module ( ESP-01 ) with Flash New Firmware.
- DHT11 Temperature / Humidity Sensor
Wiring Diagram
ESP8266 pin CH_PD to 3.3 V
ESP8266 pin UTXD to Arduino Pin10 ( RX1 )
ESP8266 pin URXD to Arduino Pin11 ( TX1 )
ESP8266 Module Pinouts
DHT11 pin 2 (Data ) to Arduino PIN D8
Development Kit Prototype
Development Kits on ebay
http://www.ebay.com/sch/marychanyanuch2012/m.html?
1.ESP8266 firmware
2.Arduino Code
3.ThingSpeak.com
ESP8266 firmware
You need to upload new firmware to your ESP8266 Module.
Download Firmware from ESPDUINO https://github.com/tuanpmt/espduino
Firmware is in folder espduino-master/esp8266/release/
It has 2 files .
0x00000.bin
0x40000.bin
Arduino Code
Using DHT11 library from: https://github.com/RobTillaart/Arduino
Original Code from
Rock solid esp8266 wifi mqtt, restful client for arduino
http://tuanpm.net/rock-solid-esp8266-wifi-mqtt-restful-client-for-arduino/
But, I've modified to work with Android UNO Board.
But, I've modified to work with Android UNO Board.
ThingSpeak https://thingspeak.com/
What is Thingspeak?
ThingSpeak is an open source “Internet of Things” application and API to store and retrieve data from things using HTTP over the Internet or via a Local Area Network. With ThingSpeak, you can create sensor logging applications, location tracking applications, and a social network of things with status updates.
Then we use ThingSpeak Channel to store and show your sensor data over Internet HTTP.
View Sensor Data through Thingspeak.com
My Data in my place on 16 May 2015 ( 16:10 - 16:30 )
My On line Real Time Data
Visit here https://thingspeak.com/channels/36913
My On line Real Time Data
Visit here https://thingspeak.com/channels/36913
Android ThingSpeak Data Monitor App.
ThingSpeak Data Monitor in Android App.
https://play.google.com/store/apps/details?id=iot.sensor.data.monitor
Reference
Rock solid esp8266 wifi mqtt, restful client for arduino
ThingSpeak
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