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Abstract

SON).</p><p id="4cb7">Let’s quickly review the code.</p><p id="1704">Guided by a fellow programmer and partner of Jungletronics Ishida (<a href="https://github.com/alexishida?tab=repositories">https://github.com/alexishida?tab=repositories</a>) who could point us in the right direction, we modified the output code to JSON. The idea is to connect the Arduino with sensors and to make it serving restful web service.</p><p id="2a04">We will use JSON and HTTP REST as communication protocols. We are very close to this dream !!</p><p id="88e9"><b>Code (<a href="http://goo.gl/9gw6Aw"></a></b><a href="http://goo.gl/9gw6Aw">GitHub </a>REPO<b>):</b></p> <figure id="8156"> <div> <div>

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    </figure></iframe></div></div></figure><p id="e0b7">We carry the necessary libs. There are two variables of our wifi network and set the server on port 80. Standard right?!</p><p id="54d8">We keep a variable for the led but t in the module. We declare the method that handleroot().</p><p id="06af">The setup is used to configure the LED as output, put the serial in 115200, firmware standard began our wifi, and print a blank line, according to HTTP protocol.</p><p id="99fa">While the connection is not established, a point is printed on the serial.</p><p id="fb02">MDNS is a simple implementation of multicast DNS query support for an Arduino running on the ESP8266 chip. Only support for resolving address queries is currently implemented.</p><p id="6320">The (This) line <i>server.on</i>: inside this part, we can put how many links we want.</p><p id="88ca">The loop to manage the client session.</p><p id="dfb9">keep watching this video series because we will present the assembly of a board to help you with prototyping this chip. We use little solder. See our result:</p><figure id="3d76"><img src="https://cdn-images-1.readmedium.com/v2/resize:fit:800/1*EO5sg5RdATtrO7MPAerCzg.jpeg"><figcaption>CADDY — For ESP8266 Module to sit into!!! To program use this <a href="https://www.amazon.com/ESP-01S-ESP8266-Wireless-Adapter-4-5-5-5V/dp/B07KF119YB">USB adapter</a>; To run it use this <a href="https://www.amazon.com/DIYmall-ESP8266-Breakout-Breadboard-Transceiver/dp/B01G6H46UK">one</a>. Or follow <a href="https://readmedium.com/mit-app-inventor-2-meets-esp8266-03-kidserie-fa92cc8ae8a2">this</a> post.</figcaption></figure><p id="f0aa">Collision Condition &amp; Route to Nowhere:</p><figure id="7926"><img src="https://cdn-images-1.readmedium.com/v2/resize:fit:800/1*5BogWgIQUJvJr6HqJcCFOA.gif"><figcaption>Collision Condition &amp; Route to Nowhere</figcaption></figure><p id="cd73">Let’s assume we want to connect all together: Arduino, ESP8266 via USB cable from your laptop.</p><p id="7277">In this scenario, the Arduino sends to your computer while the</p><p id="04ee">ESP8266 tries to transmit too in the same way.</p><p id="3c4c">Ops!</p><p id="5059">Certainly, data will collide !!!</p><p id="5062">Garbled data cannot be properly interpreted by ESP8266 — You cannot program Arduino or talk to it from your computer while ESP8266 is connected to a computer serial.</p><p id="86d8">Now in another scenario (green on the graph).</p><p id="e489">The computer sends a message to the Arduino.</p><p id="b93b">Oops again!</p><p id="a888">Which route to follow? There are two options!</p><p id="ae93">Who does not know where to go, go nowhere!</p><p id="e8e4">This is a collision condition and route do nowhere scenario!</p><p id="1643">Both try to transmit to the computer at the same time.</p><p id="5f78">ESP8266 will most likely RESET!!!</p><p id="21c7">Now let’s separate the components.</p><p id="1738">First, remove the Atmega chip from Arduino and program ESP8266, or, better, bypass

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it!! (see video below)</p><p id="5fe2">Then plug back the ATmega and program the Arduino</p><p id="a342">Simple isn't it?</p><p id="d432">Use module ESP8266 in WiFi and Arduino in standalone mode!!!</p> <figure id="87ff"> <div> <div> <img class="ratio" src="http://placehold.it/16x9"> <iframe class="" src="https://cdn.embedly.com/widgets/media.html?src=https%3A%2F%2Fwww.youtube.com%2Fembed%2FhH8t4iPAVJI%3Ffeature%3Doembed&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DhH8t4iPAVJI&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2FhH8t4iPAVJI%2Fhqdefault.jpg&key=d04bfffea46d4aeda930ec88cc64b87c&type=text%2Fhtml&schema=youtube" allowfullscreen="" frameborder="0" height="480" width="854"> </div> </div> </figure></iframe></div></div></figure><p id="129e">Thanks for watching the video (read this article) !!!</p><p id="8f19">Bye!!!</p><p id="c7e8"><a href="https://drive.google.com/drive/folders/0B8iMbc-iQqlULXhNYWpUUUoteGM?usp=sharing">Download all Project Files</a></p><h2 id="8007">Troubleshooting:</h2><p id="801c">When initiating the upload process in the Arduino IDE, press the Upload Button and simultaneously hold the White Wire connected to RST through 10k Ohms, providing a pulse on the GND. This action should be performed a few seconds before the Arduino indicates the uploading phase, typically during the compilation process. Ensure that the Orange Wire (GPIO0) is grounded during this time.</p><p id="3540">Once the upload is complete, detach the Orange Wire from the GND, allowing it to float momentarily. Subsequently, while opening the Serial Terminal, provide another pulse on the GND using the White Wire. Verify that the Serial Monitor acknowledges the:</p><div id="2f87"><pre>Connecting to <your_wifi_ssid> …… <span class="hljs-built_in">WiFi</span> connected <span class="hljs-built_in">Server</span> started <your_port_number></pre></div><p id="e4f8">Do not forget to edit the code according to your WiFi network;) <your_wifi_ssid> and <your_port_number></your_port_number></your_wifi_ssid></p><p id="5094">Based on: Renato Aloi’s <a href="http://renatoaloi.blogspot.com.br/2016/01/esp8266-no-arduino-ide.html">Tutorial</a> (Thanks a lot for your hard work Aloi!!!)</p><p id="d531">Migrate from: <a href="http://jungletronics.blogspot.com.br/">http://jungletronics.blogspot.com.br/</a></p><h1 id="acf7">Related Posts</h1><p id="54d1">Meet IoT Boards: ESP8266 & ESP32 —<a href="https://readmedium.com/meet-iot-boards-esp8266-esp32-ba12e41c1a3b"> <b>Which are the best? ESPs or RPis or Arduino Boards?</b> </a>IoT — Episode #01</p><p id="dc72"><a href="https://readmedium.com/arduino-headless-setup-esp-8266-wifi-cheap-chip-16-arduserie-ffaecf77729a"><b>Arduino Headless Setup & ESP8266</b></a> (WIFI cheap chip!) — Rather Stunning MCU!!! — #arduSerie 16</p><p id="3892"><a href="https://readmedium.com/flashing-the-official-espressif-firmware-in-esp8266-arduserie-17-2234fc088076"><b>Flashing The Official ESPRESSIF Firmware in ESP8266 !!! — Easy ESP8266 Flashing!!!</b></a> — #arduSerie 17</p><p id="1753"><a href="https://readmedium.com/get-started-using-at-commands-w-esp8266-arduserie-19-a09f20571b08"><b>Get Started Using AT Commands w/ ESP8266 — Multiple Connection as TCP Server </b></a>— #arduSerie 19</p><p id="e2da"><a href="https://readmedium.com/your-first-nodemcu-lua-script-flash-on-esp8266-e614b33a6de1"><b>Your First NodeMCU/Lua Script Flash on ESP8266!!!</b> </a>— Let’s get our feet wet with NodeMCU/Lua and see what happens !!- #arduSerie 20</p><p id="b017"><i>— Edited in Nov 2018 — Grammar corrections w/ <a href="http://www.grammarly.com/‎">Grammarly </a>— Send code to gist —</i>Troubleshooting<i> —</i></p><p id="8c1a"><i>— Edited on Jan 2024 — Grammar corrections w/ <a href="http://www.grammarly.com/‎">Grammarly</a> and some links to adapter —</i></p></article></body>

Writing prompt response

Bring it on Johnny But Please Do Not Harm Bambi’s Mama

What movie or book put the scare in you as a child?

Slasher movies didn’t scare me when I was younger. I started obsessively watching them as a preteen during friend’s slumber parties. Halloween. Friday the 13th. Nightmare on Elm Street. We watched them all, analyzing the dumb moves the characters made.

“Why did she go up the stairs? Why didn’t she run out the front door?

Why can’t I watch the Elephant Man movie?

During my teenage years, I went through an Alfred Hitchcock phase, watching all his movies, not feeling scared, more intrigued than anything else.

But I will admit Rosemary’s Baby and Carrie creeped me out; those stand out as movies I didn’t watch fully until I was an adult.

I remember begging my mom to allow me to watch The Elephant Man, which was airing on one of the networks in the 1980s. She wouldn’t let me stay up and watch it. I don’t know why I wanted to watch it so badly, but her saying “no” compelled me further.

Then I discovered Stephen King novels. Pet Semetary, to be exact. I couldn’t finish it. I tried Cujo, both movie and book form. Nope, couldn’t do it. Animals getting harmed or in the act of harming others, no matter how fantastical, I couldn’t read or watch it. I mean I loved It. I dressed as a clown for years for Halloween, so that didn’t bother me. It was the animals.

I blame Disney.

Bambi and Dumbo scarred me when I was little. Why oh why did the mamas get killed or harmed right at the beginning? And they were both animals. Explains a lot.

My parent fail

And now as a parent to teenage kids, it’s interesting to see how my two sons react to scary movies. One is never scared, but he is sensitive to animals being mistreated and my other son can’t handle any “scary” movies yet (they are 13 and 15).

I remember watching the movie Titanic with my kids a few years back. They had been learning about it in school, so I thought it would be nice for them to see the movie.

My youngest started crying and left the room when the ship started sinking. I wasn’t expecting that since we all knew what was going to happen! It was the scenes showing the older couple holding each other in their bed as the ship was making its descent. I hadn’t expected that reaction (and probably scarred him now of ever being on a ship).

Is real life scarier than fiction?

Sometimes “real” life can be scarier than a scary movie involving fake blood and plastic knives. The real reason Bambi scared me when I was a little girl was I didn’t want to think about anything happening to my mother (and I do love animals); it was too much for me to imagine.

The same with my son. He knew the ending; he knew the number of people who died in the sinking, but the movie felt realistic. Seeing examples of the people who passed away, not just a number in a history book, made him run off.

I must say I agree with Mark Twain.

“Truth is stranger than fiction, but it is because Fiction is obliged to stick to possibilities; Truth isn’t.”

― Mark Twain, Following the Equator: A Journey Around the World

Writing prompt response

What film or book scared you the most as a child? Or now?

Sparks №8 — A Scary Edition

Weekly writing inspiration from Flint & Steel

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@2021 Ellie Jacobson