I have projek, PID control flow, 1 esp for transmit sensor data to another so that the other esp32 can control the motors and stuff
Nice project.
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Blynk legacy (the old one) or IOT (the new one) ?
I have successfully done this with UDP. I have also used TCP. I have 10 nodes that UDP to a single ESP8266 that communicates with Blynk.
I use the library WiFiUdp.h and use JSON encoding to send the data back and forth using Arduino_JSON.h library.
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