This sketch demonstrates Internet-based remote communication using a companion ‘bridge’ program running on the attached host which sends and receives messages via an online MQTT server. This allows connecting one Arduino to another over arbitrary distances, which we can use as a starting point for building collaborative telepresence. Full Source Code The full code is […]
Since the industrial age, we humans have been progressing quickly. As we make advancements, we simultaneously harm our environment, leading to its eventual degradation. Currently, the issue of global warming is a concerning danger and even the quality of the air we breathe is becoming a serious concern. Monitoring air quality is becoming increasingly important.
Measuring PPM from MQ Gas Sensors using Arduino (MQ-137 Ammonia) Continue Reading
This article will discuss the process of utilizing an Arduino Uno to effectively manage a boost converter with a power output of at least 10 watts. By utilizing only a few components such as an inductor, capacitor, diode, and a FET, it is possible to create a discrete boost converter. Please refer to the Wikipedia
Arduino DC-DC Boost Converter Design Circuit with Control Loop Continue Reading
What is physical computing? Physical computing involves constructing physical interfaces that interact with the analog world. This entails assembling circuits using microcontrollers, wires, sensors, LEDs, motors, and similar components, which are then controlled by customized software. For example, one might program the software to activate an LED when a photocell sensor detects a light level
Exploring the Fusion of Physical Computing and Creative Expression Continue Reading
Project Background Designing a water system necessitates estimating water pressure throughout, often referred to as “head,” which denotes the vertical column of water height producing that pressure. Pump specifications typically detail the head, indicating a pump with 150 feet of head can lift water vertically up to 150 feet. Understanding the system head allows designers
Surveying Altimeter for Water System Design Continue Reading
1. Introduction & Background Theory 1.1 Objective The objective of this project is to research, analyze, design, fully implement, and program an Arduino Uno microcontroller board to achieve PI control of the output power of a laser diode. Laser diodes require variable current sources for operation, as the current must be adjusted to maintain linear
Arduino microcontroller based laser diode controller Continue Reading
Arduino interface boards serve as enchanting tools for individuals with a flair for innovation. They empower engineers, artists, designers, hobbyists, and tech enthusiasts to transform their concepts into reality. These accessible boards provide an economical gateway into the realm of electronics. Envision crafting interactive artifacts, constructing practical applications, and pioneering creations previously unimagined – all
In this project, we will establish I2C communication between two Arduino boards. Additionally, we will revisit some fundamentals of Arduino I2C communication, serving as a concise recap of what we’ve previously covered in detail in an earlier Arduino I2C Tutorial. We will explore all three potential scenarios for I2C communication and develop three distinct Arduino
Mastering I2C: Interfacing Arduino Boards for Seamless Communication Continue Reading
Description: This article delves into the Software Serial library, a commonly utilized resource in Arduino programming. It explores its significance in programming for Arduino Uno or Arduino Nano and provides insights into when and why to employ this library. Through the aid of a Proteus simulation, I will elucidate its practical applications, alongside showcasing advanced-level
Arduino SoftwareSerial Mastery: Harnessing Multiple Serial Ports Continue Reading
My initial encounter with Arduino through this assignment marked my first independent experience. Reflecting on the challenges I faced during the in-class tutorial, I harbored reluctance towards reengaging with the breadboard. Consequently, I made an early decision to opt for a more uncomplicated circuit. While exploring the Arduino kit’s components, the IR remote and sensor
Arduino Pathways: How to Make Informed Decisions Continue Reading
