ESPNOW as simple as possible | Getting Started, Range test & much more..

This video will guide you with getting started with ESPNOW protocol on your ESP32 board. I tried controlling LED using this protocol, Interfaced DHT11 Sensor to send temperature & humidity data and also test it's range both indoors and outdoors.

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⏱ Time Stamps ⏱

00:00 Introduction to ESPNOW protocol
01:19 One To One Data Transfer using ESPNOW example codes
02:11 Explaining ESPNOW builtin example code
05:35 Testing of Example codes
05:44 Advantages of ESPNOW protocol
06:29 ESPNOW Outdoor Range test
06:38 ESPNOW Indoor Range test
06:52 Is it really realtime?
07:30 I made the code quick responsive
08:25 Testing Real-time response of ESPNOW
08:42 Can we send multiple sensor's data using ESPNOW?
09:02 Explaining code to send DHT11 sensor's data via ESPNOW
09:55 Testing the code to send multiple data
10:26 Applications of ESPNOW
11:25 Types of communication in ESPNOW
11:45 Do subscribe for more such videos
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#espnow #esp32

[techiesms]

What’s the next thing you want to learn ?
1. One to many
2. Many to One
3. Two way
Or
4. ESPNOW to Internet(Blynk)

[rochdimaria]

You're mic and camera qualities are so good. It makes the video so interesting

[dimuthuranawaka]

Best IOT tutorial channel on youtube..😍

[ismzaxxon]

i wish i could understand the accent. Looks like good content

[ejennings]

Very well put together video. Thanks for the clear example.

[TheRooster]

Hi. I am interested in all 4. Especially the 4th "ESPNOW to internet(Blynk)" Thanks for a to the point video. Great job!

[donovannewton]

I need a many, say 9, to one, “chess” style timers.

Let’s say the master sets a limit of 15 mins, and then starts a 30 second timer to start the 15 minute countdown.

Once started each of the many Nodes would report back the status of what the Node is. Each Node has 2 buttons, Red and Blue. Once a coloured button is pressed, it would highlight the colour pressed at the Node via a light. It would then send this changed state back to the Master. If the opposite colour was pressed it would report this change.

At the end of the 15 mins, each Node would have sent the master the time that either colour in the 15 mins was pressed, and how long it stayed that colour during that 15 mins.

As an example Node A would report Blue 5:35, and Red 8:25, neutral would be 1:00. Node B might be Red 14:30… etc.

Each Node could be 100-400m apart, with the Master not being central.

Master would have the ability to reset the system to a ready state once the 15 mins was finished.

My guess is sending the status of the Node Red, Blue or Neutral could be sent every 1 second and it wouldn’t need to be perfect. The data on the status would surely be less than 250kb

[eugenecrane]

Cool, l was looking for that! Top man , thank you

[raymondmichael]

I like your energy very inspirational,
How to make a mesh-network, where devices can join the network automatically when they’re near and a device can send data to certain device via other devices if their not in direct line 😊

[saranshsharma]

great work sir. one suggestion- pls improve background

[rodneytapit]

9:58 wow that was a hot day (48C) at such a low humidity relative (27)! It would be useful to see ESPNOW central receiver to also able to connect to WiFi (as well as ESPNOW) or perhaps a serial link to another ESP module for the WiFi. I like the way you cover a lot of ground quickly just giving the relevant info - thanks.

[jacklisunkarim]

I have tried esp now protocol, slave sending sensor data to master.
Surprisingly, i got about 500m range and the data comms still pretty good.

[robinlefever]

Thank you for your very helpful and interesting video. I have subscribed and look forward to more videos :-)

[germanangeles]

It seems perfect to activate an alarm inside my house in response to winding sensors in doors and windows. Greetings

[TechnoEveryday]

🆒 Excellent video! Thanks from whole 🇵🇰

[khollinfukuda]

Hi sir what a great tutorial. Is it possible a ultrasonic sensor is connected to the master board and an haptic motor in the slave board will vibrate if the ultrasonic sensor(in the master) detected an object?

[karthic]

How many devices support this protocol in one connection

[sumitk]

I love your videos. Please make a video on ESNOW_LR (Long Range protocol) for extra long range.

[faisalsaddique]

Hello Sachin, do we have a way to make ESP-NOW Mesh? Just like a WIFI-MESH?

[greyvoid]

Can we use this as a intercom device for rider in two way communication.