Serial OTG. Arduino CH340. FTDI. rkl099's Extension

Juan_Antonio · February 11, 2021, 1:18pm

6.- A potentiometer in Arduino sends values to the App. Dynamic graph. Shift left.

p10A_OTG_potenciometro.aia (198.8 KB)

In this topic we saw how to send information via Bluetooth and display it in a dynamic graph:

Now we are going to carry out the same practice but sending the data by a module UART:

I will use CP2102 and an OTG cable.

The version of the SerialOTG extension used is: Data Built: 2021-02-03

- Arduino code:

// Juan A. Villalpando
// http://kio4.com/appinventor/10A_OTG_LCD.htm

#include <SoftwareSerial.h> 
#include <Wire.h> 

SoftwareSerial UART(10, 11) ; // UART(TX,RX)

int value_pot0;

void setup() { 
  Serial.begin(9600);
  UART.begin(9600); 
  Wire.begin();
}

void loop() { 
    value_pot0 = analogRead(A0);
    Serial.println(value_pot0);
    UART.println(value_pot0);
    delay(100); // Debe ser más lento que el Reloj.
}