Sep 18, 2015 By flashing the esp-link firmware into your ESP8266, you talk directly to the microcontroller over WiFi as if it were connected by a serial cable: the ESP8266 becomes a totally transparent WiFi. The ESP8266 Part 1 - Serial WIFI Module for Arduino: This is the part 1 of 3 instructables to help you to use the ESP8266 with Arduino. In this This first tutorial you will learn how to set-up and test the module connected to an Arduino.The ESP8266 is perhaps the most versatile serial module to conn. Displaying ESP8266 WiFi Serial Transceiver Module User's Manual v1.0.pdf. Find many great new & used options and get the best deals for WiFi Module Esp8266 Esp-07 Transceiver Wireless W/ on Board Antenna Arduino at the best online prices at eBay! 1 x ESP8266 ESP-12E Serial Wifi Transceiver Board Module. Arduino series motherboards or compatible motherboards can be used directly. WIFI @ 2.4.
I receive my ESP8266 test board this morning and plan to evaluate the chip. but I can't find any schematic for the board. I bought it on eBay : http://www.ebay.fr/itm/ESP8266-Serial-WIFI-Module-test-board-module-coexistence-module-AP-STA-AP-/221575666016?pt=LH_DefaultDomain_0&hash=item3396f05960#ht_1312wt_1399 can anybody point me to the right schematic please. I would like to know all the switch and push button functions. thanks, best regards Phil
In this tutorial we will show how to build 'Plug and Play' WiFi humidity and temperature sensor connected in EasyIoT Cloud. It shows how to send two parameters with one request with REST API V1. We will use ESP8266, DHT22 and Arduino IDE.
Historical temperature and humidity chart. Data can be exported to CSV.
-ESP8266 WiFi module
-DHT22 humidity sensor
-3.3V power supply (battery or regulator)
See buying guide at the end of tutorial for details.
First we need to register to EasyIoT Cloud. After registration we do not need any other configuration, because sensor is 'Plug and Play'. We just need to remember Instance Id which is visible under Config->User Info.
Program is written in Arduino ESP8266 IDE. See Arduino ESP8266 IDE tutorial how to connect ESP8266 module to computer to upload program. Program is available at our GitHub. You will also need DHT22 library and REST API V1 library. Be sure to use library from our GitHub, because it's ported to Arduino ESP8266 IDE.
Hp deskjet 1112 printer installation. In program change Access Point username and password and Instance Id. Instance Id is under Config->User Info.
Instance id:
// change those lines
#define AP_USERNAME 'xxx' #define AP_PASSWORD 'xxx' #define INSTANCE_ID 'xxx'
If you are using Fahrenheit instead of Celsius use dht.toFarenheit(temp) function to report temperature in Fahrenheit.
First time when you connect sensor to power supply it will connect to access point and check module id. If module id is 0, then program will call REST API functions to get new token, adds new module and configure its parameters. Module Id and token are then stored in EEPROM. If module is already added to cloud (module id is different than 0), then program will skip this procedure and just read module parameters Id's. Then it reads temperature and humidity and sends it to Cloud in one POST. API function to post more parameter values is SetParameterValues.
Connection diagram is shown below. Instead of ESP8266-01 you can use different type of ESP8266. For power supply you can use 2 AA batteries or 3.3V regulator (see buying guide).
See more tutorials at http://iot-playground.com/build
To support this site and EasyIoT framework development please buy in our store.
ESP8266 ESP-01 Serial WIFI Wireless Transceiver Module
ESP8266 Serial WIFI Wireless Transceiver Module
ESP8266 ESP-12 Serial WIFI Wireless Transceiver Module
ESP8266 serial Port WIFI wireless module ESP-12
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The DHT22 is a basic, low-cost digital temperature and humidity sensor.
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Basic regulator module based on AMS1117.
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This 2xAA battery holder puts a nice finishing touch on your battery powered project.
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