OTG AND USB ttl converter

[seif_taamalli]

I want to transfer data using arduino and an android device,

I want to understand the difference between using USB TTL converter and OTG

[Juan_Antonio]

Using USB Cable + OTG Cable you can connect the mobile to the usb connector of the Arduino.

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

Hello friends, I am going to comment on my experience with the great extension of the user @rkl099, which you can find in this topic: With this extension we can connect a mobile phone (or tablet) to the Arduino with a CH340 chip by cable. It has been tested with CdcAcm, PL2303, PL2303HX, FTDI, CP210x, CH341, CH341 (“fake”) and CH340. Get com.SerialOTG.aix: To carry out these examples I will use a mobile with Android 9, OTG cable, USB cable and an Arduino UNO with CH340. [otg17] …

By means of OTG Cable + usb-ttl converter you can connect the mobile to other pins of the Arduino.

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

5.- Other USB <> UART Rx/Tx converters. [uart] - Cable OTG. [cable_otg] - Settings / Additional settings / OTG / Enable OTG. [otg26] 5B.- Example with CP2102. Android sends a text to Arduino, it is displayed in the Serial Monitor. Arduino Serial Monitor sends a text to Android. [otg22B] // Juan A. Villalpando // kio4.com #include <SoftwareSerial.h> SoftwareSerial FTDI(10,11); // El TX del módulo FTDI va al pin 10 del Arduino // El RX del módulo FTDI va al pin 11 del Arduino //…