I was inspired by the Play Button awards YouTube sends out for subscriber milestones, and built this circuit to display my realtime subscriber count using an ESP wifi board and seven segment display.Binance futures api php
I built this one to celebrate surpassing 10k subscribers, so this is an upgrade to my previous counterwhich only supports counts up to Personalize the code to work with your channel!
For tracking other social media stats, check out my multi social tracker project.Programming ESP-12E / ESP-12F / NodeMCU Over Wi-Fi
Before attempting this project, you should be generally familiar with uploading new programs to your Arduino board and installing code libraries, both of which you can learn for free in my Arduino Classthough you really don't have to understand any of the actual Arduino code to get this project running. For a more in-depth introduction to the ESP board and its installation and setupcheck out my free Internet of Things Class.
To keep up with what I'm working on, follow me on YouTubeInstagramTwitterPinterestand subscribe to my newsletter. As an Amazon Associate I earn from qualifying purchases you make using my affiliate links. Before you dive into this project, you should first make sure you've got your Arduino software set up properly to program the board you are using, which in my case involves installing the SiLabs USB driver and installing ESP board support explained in more detail in my Internet of Things Class :.
To ensure you have a proper programming connection with your board, first load up the blink sketch. Click the Upload button to send the program to your board.
Things You Should Know Before Using ESP8266 WiFi Module
This will take several seconds longer than you are used to with Arduino Uno. After complete, the onboard LED should start blinking. While many boards auto-detect when they're being sent a new program, some other ESP boards may require a sequence of button presses to get into bootloader mode. Do not proceed until you've successfully uploaded a blink test program to your board. Seriously, because how can you expect the project code to upload if the test didn't?
Follow the assembly instructions for your seven-segment displaysand also solder headers onto your ESP board if it didn't come with headers pre-soldered. For your microcontroller to tell the two displays apart, you'll need to change the address on one of them. Do this by applying a blob of solder to bridge the labeled pads on the back of the board. The board as-is has an address of 0x70, and the one with A0 bridged has an address of 0x More info on i2c addresses in the official product guide.
I put the plain display on the right lower digitsbut you can easily switch it in the code if you accidentally install them differently. In my case that's D1 and D2.
Remember, you need ESP board support and the following Arduino libraries to compile and upload the code for this project. Customize the variables shown highlighted in teal in the Arduino screenshot above :. If you prefer, I've also created a version that uses WiFiManager, which adds configurability without the need to reprogram the microcontroller. Use Brian Lough's awesome guide to get it all set up.
I put together the final circuit using a perma-proto, but because my frame is only 5" by 7", a full size one wouldn't fit-- I should have gotten a bigger size.I was watching this video from one of my favourite makers on YouTube when I came across the following point in the video:.
Nevertheless, 2. The design to the left seems best by far. It also appears to have nearly twice the active area on the circuit board. It never occured to me that I could simply cut the circuit board traces and solder my own wires on there as antennas! Every 3dB is equivalent to a doubling of power, so 10dB is actually ten times the effective power. Marginal locations suddenly work flawlessly. At first I used CAT5 networking wire strands, then once I examined it under the microscope and found that it looked like I had soldered freaking timber logs to the circuit board, I realized that 30 AWG wire-wrapping wire would be a better fit.
Here are some microscope photos of the process of modifying an ESP Unmodified front: image. Unmodified rear: image. After some butchering with a utility knife: image. I used this online antenna length calculator to arrive at 58 millimeters, based on an entered frequency of MHz. Why cut the on board antenna only to fill it back in with solder?
Looking directly into the binocular microscope there was plenty of clearance. This is the one I have, after seeing it in this video. The images I posted in this thread were actually taken by holding my phone in front of one of the eyepieces! Nice information thank you! But could you show a picture how you place the wires after soldering them, where does the ground wire go in regards to the transmit wire?
A simple way of extending range is to use a HomePlug wireless access point. This plugs into a mains socket where you need to extend your wireless network to. You need a second, normal HomePlug adaptor connected to your router via Ethernet. Yes, exactly like that dipole just pointing in opposite directions although in some cases I had to bend them due to space constraints. As long as ground and signal are as far away from each other as possible, it seems to work.
Great improvement with Wemos D1 board! Thank you for the idea! I was watching this video from one of my favourite makers on YouTube when I came across the following point in the video: image.
I figured I would need one to work on any circuit board with surface mount components. It can get expensive watching makers on youtube.
Worked for me, Thanks!This wifi relay can controls any device like lamps or your soldering station with your smartphone or your computer. To make this wifi relay you will need: An Esp, which can be program like an arduino and have wifi built in An USB to TTL converter for programming the esp 2 relays vac control by 12v 2 transistors TIP 6 diodes IN A few resistances 2x1k, 2x10k,Some screw terminal and pin headers A plug in 2 plugs out A transformer 12v A power switch 2 meter of 3 wires cable A lm Capacitors 50v of uf and 10uf Prototypes pcb Some screws For the tools you will need a solder iron, a drill, a 3d printer optional and sandpaper.
I divided the electronic in two boards: - the relay board with the 2 relays and 2 transistors - the esp board with the module and all the power part transformer, bridge rectifier and the lm for the 3v3 regulate This board is very simple, it consists of 2 mosfets how control 2 relays.
I made this board by placing all the components on the Prototype pcb and then I cut the it in the right size with a saw.
I solder all the components and after I link them with wire.
Pay attention of the diameter of the wire when connecting relay, you should use bigger one for the high voltage. The main board has 3 parts: -the 12v power which is a bridge rectifier four diodes and a capacitor. It creat a constant voltage for the esp When it's done, check the voltage at the power pin of the module. Once the 2 boards are done, connect them together wire wire.
I made a box with sketchup and 3d print it. Sand the box and clean holes. If you don't, you can made a box out of a Tupperware or any plastic box. You can now finish everything. Place first the electronics and the transformer into the box and glue them. Take the 3 plugs one in and 2 outstrip the end and connect each wire with the terminals screw by following the schematic.
Don't forget to connect the transformer. The last step is to program the esp like an arduino. Don't forget to change the wifi name and the password. This switches control the 2 gpio pins connected to the transistors. After plug in the module, close the box witch 4 screws. And that's it you can now control any device with your smartphone or PC. Reply 2 years ago. I'm doing something incorrectly, but have spent enough time on it that I'm throwing in the towel. I upload the sketch, and go to the web, everything works great.
If I unplug the board from power and plug it back in, I got nothing. The web comes up as "network not responding". Reply 3 years ago. You have to reserve a range for static IPs in your router. Edit DHCP range to start with for example If you set Reply 4 years ago.Vector style 4k wallpaper
Is it because the ip of the esp change every time it's connecting to the wifi? If yes, the problem comes maybe from your router and not the module. But I have no idea how to solve this problem. Try others sketches from the web to see if you have the same problem. Ok I have made this and it worked like a charm first go. However I have had some experience with the ESP But unfortunately its still unstable.Add the following snippet to your HTML:. Things you should know using ESP WiFi module for its safety and easiness as it's very delicate module to use.
Read up about this project on. ESP maximum working Voltage is 3. You must know how to power it, how to serial-connect it with Arduino safely, how to ping and many other things. You should use software like Circuito. RX and TX are used to communicate.Kwon ji yong net worth
You can use LM 3. I have used Tinkercad to show how the board can't handle even 0. The maximum voltage you can give is 3. You should use such simulation software to look that the power you are delivering to ESP is safe or not. The level converter is very easy to use. The board needs to be powered from the two voltages sources high voltage and low voltage that your system is using.
A successful PING request will always return a set of numbers. If you get "Request Time Out" messages it means that something isn't communicating. I use this software to safely run my projects in reality. This software also guides you to wiring and also gives you a test code.
You can find this software in apps section on Hackster. You can also add input and outputs. Then click on Preview button. You should get Schematic as below.Add the following snippet to your HTML:. ESP is a low-cost WiFi module that belongs to ESP's family which you can use it to control your electronics projects anywhere in the world.
It has an in-built microcontroller and a 1MB flash allowing it to connect to a WiFi. The maximum working voltage of the module is 3.Kallu chidambaram comedy videos
Since we are using the Blynk app to control the LED further explanations will be based on it. Look at this image, the ESP is connected to the nearby WiFi hotspot that allows it to access the internet and sends data to the Blynk server along with authentication code.
An authentication code is then sent to the app that has the same authentication code and then, the app receives the data to create a secure connection between the app and the ESP The data instructions to control LED from the Blynk app is sent to the Blynk server along with the authentication code and since the ESP has already the same authentication code which is connected with the Blynk server, the server identifies the matching code and data is sent to the corresponding ESP Arduino UNO is used in this project.
Remove the ATmegaP microcontroller from board before starting the project. Auth token is an authentication code that I have said before. It is to create a secure connection from Blynk app to the ESP by the web server and also to identify the device while it is to be communicated. Now choose any methods under auth tokens to save the auth code. The auth code should be entered in the program code later.
If you had finished installing the board manager or already had installed it then choose the board manager type as " Generic ESP Module. For that, you need to download the library file from the link below:. Once you have downloaded it, extract the file and copy the folders.
Then open your Arduino folder and click on libraries folder. Right click and click on paste button. You have successfully installed the Blynk libraries. Please log in or sign up to comment. This project is quite simple! Project tutorial by Adithya TG. Things you should know using ESP WiFi module for its safety and easiness as it's very delicate module to use.
Project tutorial by Shebin Jose Jacob.Scaun birou rotativ ikea
Sign In. My dashboard Add project. Blynk Arduino IDE. Uploading the program. Uploading the program Arduino.Yet today, the IoT space has matured to the point that it is driving real business value to industrial customers.
How to Connect ESP8266 to WiFi | A Beginner’s Guide
It goes to follow that people are naturally starting to ask questions about the impact IoT will have on the established field of PLC programming. There are many options available when it comes to combining PLCs and IoT technologies, all of which share the common goal of successfully merging the hard real-time guarantees and rugged form factor of PLCs with the remote monitoring, alerting, and advanced data analytics of the IoT.
In this project I am not going to talk about the complex things, I will make it very simple. In this project, we will not monitor any sensors, but we will control different electrical loads directly from the designed computer application or from the cell phone app. So, basically this is a dual control system, you can control the loads using the computer application or you can you can use your cell phone and control the electrical loads from anywhere around the world, so far, you are connected with the internet.
In my previous tutorial, I have explained in very detail, how to design your own computer scada applilcationI highly recommend you should read my previous article, as in this tutorial I will not explain the SCADA application designing, but I will only share with the gates addresses, the SCADA application layout, Nodemcu ESP programming, complete circuit diagram, Ladder logic programming, and the Blynk application designing steps.Death row ka hindi meaning
The components and tools used in this project can be purchase from Amazon, the components purchase links are given below:. I may make a commission if you buy the components through these links.
I would appreciate your support in this way! Technology is advancing by leaps and bounds in the field of Industrial Automation, Electronics and microcontrollers. Efforts are being laid in integration of different Industrial modules to design such an industrial system which is capable of performing different tasks efficiently and accurately and substitute human beings. The invention of PLC replaced many complicated systems with the simplest, cost effective and efficient systems. In this project the industrial loads will be controlled through two methods.
Small industries cannot bear such expensive control systems. With the help of my proposed project any PLC can be controlled from computer software designed in Project Manager or Winlog and can also be controlled through cell phone from anywhere around the world in real time. The control commands can be executed in seconds. In the circuit diagram only two relays are shown along with the driver circuits consisting of 2n NPN transistors, 10k ohm resistors, and 1n diodes.
You can follow these connections, if you want to make your own relay module, or you can purchase a readymade relay module. You will need six relays. You can see the inputs X0, X1, …, X7. These are the inputs. These inputs are connected with the relays connected with the Nodemcu module. I have explained everything about the Fatek PLC in my previous tutorial, read that article if you find it hard to understand.
On the left upper side is the 5V regulated power supply based on the LM voltage regulator.
J1 is the female power jack and this is where we connect a 12V adaptor. This 12V is used to power up the Relays and is also step down to the 5 volts using the voltage regulator. The 5V regulated voltage is used to power up the Nodemcu module. As you can see a wire from the output of the voltage regulator is connected with the Vin pin of the Nodemcu ESP Module, while the ground of the power supply is connected with the ground of the Nodemcu module.
Note: Before you start the programming, first of all, make sure you download all the necessary libraries. The Nodemcu ESP programming is very easy, still if you find it hard to understand you can read my other articles based on the IoT.Sold as pictured. Free FAST shipping. Thanks for looking, feel free to look at our other listings. We make every effort to ship your item within one 1 business days unless otherwise stated. We will combine shipping on multiple items for efficiency.
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YouTube Views and Subscribers count using Nodemcu ESP8266 & Arduino
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