4/13/2021 0 Comments Esp8266 Software Serial
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What is the ESP8266 Module ESP8266 is one of the most practical modules for wireless connection (WIFI). These modules can be used in both server and client operating modes. Here are some of its most important commands: Command Response Description AT OK Test ATRST OK Reset module ATGMR OK View version info ATCIOBAUD 9600 OK Change baud rate to 9600 ATCWMODE CWMODE:( value scope of ). OK WIFI mode ATCWSAP CWSAP:,,, Configuration of softAP mode ATCWSAP,,, CWSAP:,,, Set configuration of softAP mode ATCIPMUX OK. ERROR The configuration of the softAP mode ATCIPSERVER OK Configure as server You can check the modules datasheet for more AT Commands. Esp8266 Software Serial Code Below ToUse the code below to test AT Commands and change the modules setups. SSID name, changing the password, and changing the baud rate) C. Project 1: Controlling a LED over Network Using ESP8266 Module Using this module is so simple. Just follow these steps: Circuit Code Note I have changed my module name to Electropeak and change its baud rate to 9600, before running this code, using the mentioned code. C. Esp8266 Software Serial Software Serial ToSoftwareSerial esp8266(2, 3); 1 2 include SoftwareSerial esp8266 ( 2, 3 ); It is simpler to use software serial to connect the module. Command: a string of AT Commands Timeout: the time after sending AT Command that the code execution stops and waits for the response from the ESP8266. The output of this function is the received response from the ESP8266. Note: millis() command gives you the elapsed time code execution. Then place the module in server mode with the next three commands. When there is.IPD in read data, it means the data has sent from the client to ESP8266. If the received data is ON, turn the LED ON and if its OFF, turn the LED OFF. If you need to use AT commands, you should upload the modules firmware again. Circuit You need a Serial to USB converter to program the module directly. The following table shows the order of the connection of the pins: SERIAL TO USB CONVERTER ESP8266 3.3v 3.3V GND GND RX TX TX RX 3.3v CHPD Installing the ESP8266 Library and Boards Follow these steps: Step 1 Go to filepreferences Step 2: Enter the following address in Additional Board Manager URLs Step 3: Go to ToolsBoards Boards Manager and search for ESP8266, then install it. Code C. Follow these steps to upload the code and execute it: Connect the module to the converter and then connect the converter to the computer Connect the GPIO0 pin of the module to ground. Then return both pins to their initial state. Choose Generic ESP8266 Module in Arduino software for your board model. Choose the port and click upload to upload the code on the module. Enter IP in your browser to see the following page: The LED turns on by clicking on ON and turns off by clicking on Buy an ESP8266 Wifi Module Buy an ESP8266 Wifi module from ElectroPeak Whats Next Try to control two relays with your phone using WIFI connection. Try to control a robot with your phone using WIFI connection Further Reading Resources Share this post Facebook Twitter LinkedIn Google Email Leave a Reply Cancel reply Your email address will not be published. ![]()
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