How to Measure Distance With HC SR04 Sonar Sensor and ESP 8266 NodeMCU | IOT Project
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Published on ● Video Link: https://www.youtube.com/watch?v=dipZqbAhi40
Code and circuit diagram -
https://drive.google.com/drive/folders/1csXfPf8vYGmFgdAwjkfHBRVkyCNqpD3B?usp=sharing
ESP Board add on -
http://arduino.esp8266.com/stable/package_esp8266com_index.json
Libraries Needed -
Blynk