A site about programming, IoT and technology. Find tutorials for many different projects.
The objective of this post is to explain how to create a simple Hello World application for the micro:bit board, using the JavaScript Blocks Editor. Introduction The objective of this post is to explain how to create a simple Hello World application for the micro:bit board, using the JavaScript Blocks Editor. You can read more about the …
Continue reading "Micro:bit JavaScript Blocks Editor: Hello World"
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 …
Continue reading "ESP8266: Controlling a LED matrix with the 74HC595 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 …
Continue reading "ESP8266: Controlling chained SN74HC595 ICs"
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 …
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 …
The objective of this post is to perform a brief analysis of the SN74HC595 shift register and its working principle.
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 …
Continue reading "ESP8266: Reading temperature with the DS3231 RTC"
Following the previous post on how to structure data, this one describes an application specific approach, based on the concept of commands and built on top of the previous structure. A typical architecture for embedded systems comprises a microcontroller being capable of executing multiple actions, such as reading values from sensors or performing some type …
Continue reading "Serial communication data structuring pt 2"
This post describes the second part of a simple serial communication data structuring algorithm.
This post describes a simple serial data structuring algorithm.
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