12 Ultrasonic Sensor with NodeMCU and Blynk App

This is IOT with Blynk App and NodeMCU step by step.
Here I have explained how to interface SH-SR04 Ultrasonic Sensor with Blynk app by using NodeMCU board.
Project: drive.google.com/file/d/1fxgm...
#BlynkIOT #NodeMCU #Arduino #Ultrasonic
#SH-SR04 #voidloopRobotech #IOT
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[@nikyalokhande]

Thank you Sir for this Video 🙏

[@Naoo3198]

After I tried and successfully compiled and I look at the blynk display with the widget I see only the gauge is active and the lcd is not active even though I have followed the file you made, please advise how?

[@rswidianto]

My auth code is always invalid, can you solve my problem?

[@RivanAndriHariyanto]

Sir, can you send full source code ? Thank you

[@farukozgur6514]

I'm trying to transfer the distance I get from hc-sr04 sensors to thingspeak using Nodemcu. Only when measuring distance the sensors work very well but when I write the code to transfer the data to thingspeak or firebase the sensors work very slowly. What could be the reason for this? how can i fix it

[@gamerzhub5794]

The minimum update time for those websites is 10 seconds not instant

[@fathimatuzzahrakhoiriyah]

i use esp32, the code works well but the distance seems not working. cause it stays in 0.93 cm even i approach it to near paper. someone can help me with that?

[@fathimatuzzahrakhoiriyah]

and in my blynk doesn't change at all, stay 0 :(

[@reboa.i563]

Same happens to me. It stays on 1 Cm in my blynk app and in the Arduino IDE output

[@SequFilms]

Code ???

[@electronicxsam]

not working