Call-By-Value

Call By Value and Call By Reference

While calling the Function in C Programming, we can pass the function parameters in two ways: Call By ValueCall By Reference This article will explain to...

Simple Arduino SPI Experience

. In signal conditioning unit, the output of the sensor may be amplified, filtered or modified to the desired output voltage. For example, if we consider a microphone it detects...
SPI-communication

Experiencing Arduino SPI (interrupt)

A Microcontroller uses many different protocols to communicate with various sensors and peripherals. There are many protocols for wireless and wired communication. Most of the things that...
A sound sensor

Elegoo Microphone Sensor Module with Arduino

The Sound Detector is a small board that combines an electrect microphone and some processing circuitry. It provides not only an audio output, but also a...
The Practical Guide

Practical Guide

The Arduino Uno board has over 20 pins that you can use for many different applications. In this post I’ll give you a complete and practical overview of the...
UART connected Arduinos

Simple UART by Arduino

ExaMPLE #1 Remote LED blinking Here a simply circuit consisting of two Arduinos with the following connections:
spi diagram

SPI implementation on Arduino

SPI stands for Serial Peripheral Interface and it is a way to send data between microcontrollers and other small devices. It is a synchronous data bus, meaning...

Arduino with 595

As my goal only to demonstrate different approaches I connected to LEDs only 4 out of 8 outputs of 74HC595.
595 Daisy Chain

595 Shift Register

595 series shift registers come in many flavors. SN74HC595 is the most usual. There are many ways to drive multiple LEDs, which in sum would require...
LedControl

MAX72-21/19 Arduino Library

These two chips provide an easy way to control either an array of 64 Led's or up to eight digits made of 7-segment displays with a minimum...