I am trying to comunicate between Arduino And esp32. this is my aurdino code: void setup() { Serial.begin(9600); } void loop() { Serial.println("Hello Boss"); delay(1500); } This is my esp32 code #define RXp2 16 #define TXp2 17 void setup() { Serial.begin(115200); Serial2.begin(9600, S…

OK, then that is the cause of the upload failure. The pins on the UNO's primary ATmega328P microcontroller that are connected to pins 0 and 1 on the board are also used for communication with the computer over the USB cable. This means that if you connect anything to pins 0 and 1 on the board, it ca…

Getting Compiled But Not Getting Uploaded...!?

Projects General Guidance

UKHeliBob May 8, 2025, 5:57pm 10

Is the Uno Tx pin still driving the 3.3V Rx pin on the ESP32 with 5V ?

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Getting Compiled But Not Getting Uploaded...!?

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