December, 2020

• 31 December

  Using Ternary Operator in Arduino

  

  If your Arduino code involves decision making, then it’s very likely you’re using conditional statements. Using if … else… is common;  switch statements can be used as well. But there is a third way, using ternary operator, that will really make your code shorter. Example Scenario Say we are reading …

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June, 2020

• 29 June

  Creating an Arduino Class

  

  The Arduino platform runs on C++ and with this comes all the pros (and cons) of the language. One of those pros is the use of classes and in general, object oriented coding. This article aims to guide you in creating your own Arduino classes which can make your sketches …

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• 28 June

  Using Arrays in Arduino Programming

  

  An array is a data structure for storing multiple variables of the same data type. Mastering arrays will definitely make your Arduino sketches more efficient. If you’re a beginner when it comes to Arduino array, then this tutorial is for you.

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• 27 June

  How to Use CD4013 Dual D Type Flip Flop | Datasheet

  

  The CD4013 is an integrated circuit consisting of two D-type flip-flops. It has a number of applications in digital circuits but is primarily for latching data.

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• 13 June

  WeMos D1 Mini Schematic Diagram

  

  The schematic diagram for the ESP8266 WeMos D1 Mini board: Some notes on the schematic:

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• 2 June

  Feature: FastLED Arduino Library

  

  Description FastLED is a fast, efficient, easy-to-use Arduino library for programming addressable LED strips and pixels such as WS2810, WS2811, LPD8806, Neopixel and more. FastLED is used by thousands of developers, in countless art and hobby projects, and in numerous commercial products.

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• 1 June

  Implementing an 8-point Moving Average Filter

  

  If you read sensors using microcontrollers before, you have dealt with data that is always moving above or below a set point. This “noisy” data can be processed using a moving average filter.

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• 1 June

  Using Single-Supply Op-Amps for Microcontroller Projects

  

  An application note on how to implement an embedded system circuit with single-supply operational amplifiers.

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May, 2020

• 31 May

  Implementing Bubble Sort in AVR/Arduino

  

  This is a short note on implementing the Bubble Sort algorithm on the AVR and Arduino microcontrollers. Bubble sort or sinking sort is one of the many sorting algorithms. In this algorithm,  a list is repeatedly read where each line is compared to adjacent elements and swaps them if they …

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• 31 May

  Battery Charger Circuit for NiMH with Status Indicator

  

  An application note for an intelligent trickle battery charger circuit for NiMH batteries, using an 8-bit microcontroller.

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January, 2020

• 16 January

  How to Use the LM2596S Module

  

  The LM2596S module is an easy to use voltage regulator for people who use multiple power sources in their projects.

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• 5 January

  How to Send HTTP Post and Get Requests Using Arduino ENC28J60 Ethernet Shield

  

  In this IoT age, there are several ways of sending and getting data to/from a microcontroller to a remote server. This article will be the first part of a series about such ways through the Arduino ENC28J60 shield or module. Here I will be showing the classic way of communicating …

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December, 2019

• 31 December

  How to Save and Retrieve a String to Arduino EEPROM

  

  An Arduino’s EEPROM, depending on the type of board, can store up to 4 KB of data. The Arduino UNO, in particular, stores 1024 bytes or 1024 ASCII characters. With that space, how can we store a sentence? Or a paragraph? This is what this article is all about.

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• 17 December

  Debounce on Interrupt Handler

  

  Using interrupts is a neat way to get your Arduino to react quickly to a signal, like a button press. However, the technique is still susceptible to debounce.

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• 17 December

  Mesh Analysis for AC Circuits

  

  Similar to Nodal Analysis, Mesh Analysis for both DC and AC circuits are similar. The only difference is that in AC, we are dealing with impedances instead of just resistors. The aim of this tutorial is to make Mesh Analysis for AC circuits simpler for you.

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