ESP32 LoBo MicroPython WebSocket Server with ReactJS & MST

In this tutorial a LoBo MicroPython WebSocket server will broadcast temperature data from a DS18b20 sensor connected to an ESP32. A web page built with React and MobX State Tree on a Raspberry Pi will be the client.

Previous tutorials in this series:

[JohnoScott]

Totally excellent excellent excellent video. I love your pace and the fact that you walk through the code. Keep up the great work

[davesemmelink]

This is a great series of tutorials. I can't wait for the next installment!

[tech-dips]

Just wow! Too many information to grasp but thanks a lot for the nice tutorial, much appreciated!

[cam_DA_Hawkdriver]

You have a talent for teaching! Great work! I’m really liking these videos.

[AndyBear]

Loving your videos! Clear and intuitive!

[JakubYTb]

Sir, you just earned my subscription.

[gmarf]

Great series of tutorials - keep them coming. Vastly improved my knowledge of micropython and web sockets. MY main issue now is to get the power down on the websocket. The esp32 doesn't have much of a handle on low power modes apart from total oblivion (i'm using from the mp.org forum at present). I was wondering whether a websocket would survive a full reset? Best Regards

[tihogro]

Thank you for your video. Great explained, you have to keep doing this, hope will got more subscribers with time. I have a questing. If I open this thermometer from another computer in the same time, will it update the same way - in real time?

[AbuElameen]

can you make a video about ESP32 WebSocket server transmitting capacitive liquid level readings to a React client on a tablet.? thnx

[TheOleHermit]

The LoLin D32 Pro board has been discontinued?! But, but, but, only 2 days ago, I ordered v2.0.0 Rev1 from Amazon, thinking that it is the latest and greatest 🤦‍♂️.
So, what is the latest ESP32 flavor of the month?
Thanks for your series. Excellent delivery and guidance. 😎

[craigburnett]

Would you have a tutorial on the water level react setup on esp32, it looks amazing, Thanks.

[rahulkhokhariya]

I have ESP8266.
But Script code available till power on. Meaning that it not run after restart device.
So, I want to run my script on boot time.

[igotsixright]

Excellent tutorial! What if I had 50 ESP32s connecting to one web server (as they are avalaible) each delivering temperature and humidity and this data should display in real-time. Would you have any pointers on this configuration? I am using react and I have the components displaying currently, but only with static values as I am flabbergasted on how to make the connection between the ESP32s and web server. Tried POST requests and now trying web-sockets. Any ideas would be appreciated.

[mohammedabujarad]

i have a problem, whenever i rest the esp32 it shows me this:


I (1528) phy: phy_version: 3960, 5211945, Jul 18 2018, 10:40:07, 0, 0
WLAN connection succeeded!
MicroPython ESP32_LoBo_v3.2.24 - 2018-09-06 on ESP32&psRAM board with ESP32
Type "help()" for more information.
>>> W (11558) wifi: alloc eb len=76 type=2 fail, heap:272


W (11559) wifi: m f probe req l=0


W (12559) wifi: alloc eb len=76 type=2 fail, heap:272


W (12559) wifi: m f probe req l=0


W (13560) wifi: alloc eb len=76 type=2 fail, heap:272


W (13560) wifi: m f probe req l=0


^X


and whenever i ping the esp32, i does not response and says :
ping: mpy.local: Name or service not known


thanks

[ajilful]

Esp32 over internet, is there a standalone way other than port forwarding? At the moment I'm using a workaround for which a server like raspberrypi needs to be always on. Any direct method to access esp32 over internet using micropython that you know?

[tubeDude]

at 4:00 you entered dmesg | grep ttyUSB This gave a "grep" error msg, I also tried sudo as well, that didn't work either.

[foadyousefi]

Great tutorials. Could you please make a video about led matrix (or more specific max7219) with esp32 using micropython please.

[BillXT]

Amazing! You are great with your tutorials! Keep it up with such a good work!!! Maybe more videos of advance use of peripherals? what about ESP-NOW? or ESP-MESH? Regards!

[rahulkhokhariya]

I have ESP8266.
But Script code available till power on. Meaning that it not run after restart device.
So, I want to run my script on boot time.

Any Solution ?

[RanjanUpadhyay]

hey .. how can i contact you i have project you might like to work on