The objective of this post is to explain how to connect the SN74HC595 8-bit shift register to an ESP8266 to control some LEDs. Introduction The objective of this post is to explain how to connect the SN74HC595 8-bit shift register to an ESP8266 to control some LEDs. The code to interface with the device is …
SN74HC595: Shift Register
The objective of this post is to perform a brief analysis of the SN74HC595 shift register and its working principle.
ESP8266: Encoding JSON messages
The objective of this post is to explain how to encode a JSON message using the ArduinoJson library. Introduction The objective of this post is to explain how to encode a JSON message in the ESP8266, using the ArduinoJson library. We assume that the ESP8266 libraries for the Arduino IDE were previously installed. You can check how …
ESP8266: Parsing JSON Arrays
The objective of this post is to explain how to parse simple JSON Arrays on the ESP8266, using the ArduinoJson library. Introduction In this post, we will create a simple program to parse a JSON string that includes an array of integers. We assume that the ESP8266 libraries for the Arduino IDE were previously installed. …
ESP8266: Parsing JSON
Introduction In this post, we will create a simple program to parse a JSON string simulating data from a sensor and print it to the serial port. We assume that the ESP8266 libraries for the Arduino IDE were previously installed. You can check how to do it here. In order to avoid having to manually decode …
ESP8266: HTTP POST Requests
How to perform HTTP POST requests from the ESP8266 using the Arduino core
ESP8266: HTTP GET Requests
How to perform HTTP GET requests from the ESP8266 using the Arduino core
ESP8266: Connecting to a WiFi Network
How to connect the ESP8266 to a WiFi network, using the Arduino core.
ESP8266: Reading temperature with the DS3231 RTC
The objective of this post is to explain how get the internal temperature measurements of the DS3231 using an ESP8266 and an easy to use Arduino library. Introduction As stated in a previous post, the DS3231 uses temperature compensation to calibrate the adjustable capacitors of its resonance circuit, in order to maintain time and date with …
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ESP8266: Connection to DS3231 RTC
How to connect the ESP8266 to a DS3231 Real Time Clock.
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