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Tag: ESP8266

Posted on October 30, 2016January 25, 2025

ESP8266 Webserver: Receiving GET requests from Python

The objective of this post is to explain how to make a Python application talk with a ESP8266 by sending HTTP GET Requests to a HTTP web server running on the microcontroller. Introduction The objective of this post is to explain how to make a Python application talk with a ESP8266 by sending HTTP GET Requests …

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Posted on October 22, 2016January 25, 2025

ESP8266 Webserver: Getting query parameters

The objective of this post is to explain how to access query parameters passed in HTTP requests sent to a web server deployed in the ESP8266. Introduction The objective of this post is to explain how to access query parameters passed in HTTP requests sent to a web server deployed in the ESP8266. Query parameters …

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Posted on October 15, 2016January 25, 2025

ESP8266 HTTP server: Serving HTML, Javascript and CSS

The objective of this post is to explain how to serve some HTML, Javascript and CSS in a ESP8266 HTTP webserver. Introduction The objective of this post is to explain how to serve some HTML, Javascript and CSS in a ESP8266 HTTP webserver. It's important to take in consideration that HTML, Javascript and CSS are …

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Posted on October 3, 2016January 25, 2025

ESP8266: Setting a simple HTTP web server

The objective of this post is to explain how to set a HTTP web server on a ESP8266 and how to make some requests to it using a web browser. Introduction The objective of this post is to explain how to set an HTTP web server on a ESP8266 and how to make some requests …

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Posted on September 17, 2016January 25, 2025

ESP8266: Controlling a LED matrix with the 74HC595 ICs

The objective of this post is to explain how to control the LEDs of a LED matrix using 2 74HC595 ICs and a ESP8266 microcontroller.   Introduction The objective of this post is to explain how we can control a LED matrix using 2 74HC595 ICs and a ESP8266. With this method, we will only …

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Posted on September 12, 2016May 4, 2017

ESP8266: Controlling a motor with the ULN2803A

The objective of this post is to explain how to control a motor, including its speed, using an ESP8266 and an ULN2803A integrated circuit. Hardware Since the digital pins of a microcontroller can only source a limited amount of current (in the case of the ESP8266, 12 mA maximum [1]), we can't directly use them …

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Posted on September 12, 2016January 25, 2025

ESP8266: Controlling a DC motor

How to control a DC motor, including its speed, using an ESP8266 and an ULN2803A integrated circuit.

Posted on September 11, 2016January 25, 2025

ESP8266: Using the PWM technique

How to use the Pulse Width Modulation (PWM) technique with the ESP8266

Posted on September 4, 2016January 25, 2025

ESP8266: Controlling chained SN74HC595 ICs

The objective of this post is to illustrate how to chain two SN74HC595 ICs and controlling them, using SPI, with the ESP8266. Introduction The objective of this post is to illustrate how to chain two SN74HC595 ICs and controlling them, using SPI, with the ESP8266. Naturally, the working principle is the same for using the shiftOut …

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Posted on August 31, 2016January 25, 2025

ESP8266: Connection to SN74HC595 via SPI

The objective of this post is to explain how to transfer data between the ESP8266 and the SN74HC595 using the SPI interface. Introduction The objective of this post is to explain how to transfer data between the ESP8266 and the SN74HC595 using the SPI interface. An explanation on how to control some LEDs using this …

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