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Today we will talk about an extremely powerful tool in the use of microcontrollers. The Serial communication, specifically the USART (Universal Synchronous Asynchronous Receiver Transmitter) standard.
The system works using two wires. RX (Receiver) and TX (Transmitter), connecting two devices. The RX of one is connected to the TX of the other. If the choice is for a synchronous connection, it may be necessary to add one or two more pins to operate as a “traffic light”. But most current microcontrollers can operate asynchronously, which saves us the expense of pins. Data is sent, as the name implies, in a series of bits.
ESP8266 provides us with two ports, one of them converted to USB in the NodeMCU module.
Applications
The range of uses of se ...
If you are planning on a career as an engineer, it is important that you are aware of the various skills and attributes that employers look for. This is a terrific field to work in with highly rewarding and valuable work, high earning potential, and great job opportunities, but this is also one of the more challenging industries to crack, and there are many skills and attributes that are required. These are skills and attributes that can be developed, though, so if you lack in any, then you should be able to find ways to develop and improve. Read on to discover the skills and attributes that employers are looking for in engineering.
Hard Skills
Obviously, hard skills are essential in a field that is so technical. The hard skills that you need wil ...
Introduction
When the subject is ESP8266, it is normal that our attention is on the Wifi module. We've already discussed some applications in previous articles, and there's still a lot of cool stuff to see in the future. We've looked at how the ESP8266 communicates with the world via wifi, and now we'll look at how it does it through its pins.
We will make a decision here. The ESP8266 is found in several modules. Each module with its pin provision. ESP-12 modules provide the most features. To make better use of these features and have a more protoboard-friendly module at hand, we will analyze the NodeMCU module with the ESP-12E.
Overview and Electrical Data
The NodeMCU pins are available in two rows with a spacing that allows them to fit on a breadboard (in particular, I find the pins a ...
Hi readers! I hope you are doing well and exploring something new. When power collides with simplicity, and toughness doesn't require sacrifice, welcome to the PETG universe, the 3D printing material changing the game. Today, we will discuss PETG Filament.
In the increasingly vast 3D printing universe, selecting the correct filament can be the difference between a perfect print and a mind-bending failure. Make your move, PETG (Polyethylene Terephthalate Glycol-modified), the new kid in 3D printing that mixes toughness, flexibility, and simplicity better than all others. Many praise PETG for being an excellent middle-ground between gentle-but-fragile PLA and tough-but-unstable ABS.
What pet owners like most about PETG is its special power to balance mechanical strength with superior print ...
If you own a WordPress website, you probably understand the importance of WordPress security. Keeping your website secure is necessary as it helps keep attackers and hackers away. Just like you would not leave your valuable assets exposed to thieves, you should safeguard your WordPress with the same security level.
Essentially, WordPress developers are constantly working towards preventing any potential hacking. But that's not enough to keep your website secure. You need to apply other measures to safeguard your site.
In this article, we will discuss ways of improving your WordPress website security;
Add WordPress security plugins
Security is key in running a website. There are various plugins to enhance your site security. These include Wordfen ...
When you think of the technology that's changed a lot over the past few years, your phone may be the first thing that comes to mind. After that, you might consider your vehicle, laptop, tablet or television. Your mattress is unlikely to be in your list of the top five or even 10 things that use a lot of innovation. However, it's true that new mattresses incorporate a great deal of research and technology. Today's mattresses are entirely different from those made just a decade ago. Here are a few of the types of technology that top mattresses use.
Sleep Research
When mattress manufacturers develop new products, they turn to sleep medicine physicians and sleep science to drive their decisions. New technology for performing sleep studies, tracking movement and monitoring the quantity and qu ...
In previous articles, we connected the ESP8266 to a pre-existing WIFI network. It is the commonly used method in projects, especially when there is interest in internet access.
For these cases, the ESP8266 operates as a “station” on the network. But we can find scenarios where there is no WIFI network to connect. Can we still use the ESP8266 in these cases? Yes, we can!
ESP8266 Operational Modes
The ESP8266 WiFi module can operate in 2 different modes:
STA (the module operates as a station and is available to connect to an Access Point).
AP (the module creates a network with customizable SSID and Password. We will discuss how each mode works, its limitations, and how to use
STA Mode
We use the STA mode to connect the ESP8266 to a pre-exist ...
Graphic design is an exciting field. It may seem daunting as you begin to create your own images, but becoming a graphic designer is just like learning a new language - you start with simple words and phrases and gradually build your way up to more complex topics.
Studying graphic design can be a lot of work, especially if you haven’t had any prior experience in it before. It can be pretty overwhelming at times to handle, but don’t worry - we can ease your load a little bit! With this website, you can hire a professional paper writer to help you! You can get professional 24/7 help with any paper topic at an affordable price - and a free plagiarism report, too! Make sure to check them out and save your precious time for more important tasks!
1. Experiment with fonts
Fonts can make your ...
Hello friends, I hope you all are doing great. In today's tutorial, we will have a look at How to Create Web Server with ESP8266 using SPIFFS.
We've already seen how to create a web server and how to provide an HTML page on our ESP8266. We use the PROGMEM command to store an HTML code in FLASH memory. For a simple page, this works fine, but what if we have a more complex webpage? With a better style? What if we want to include images?
Today we will learn how to use SPIFFS with ESP8266 to store files (regardless of type) in FLASH memory.
What is SPIFFS?
SPIFFS (SPI Flash File System) is a system designed for managing SPI flash memory in embedded devices. Its main goal is to use minimal RAM to access files. It's very useful when using pen drives ...
