FT232RL FTDI USB to TTL 3.3V 5V Mini USB Adapter Module

    FT232RL FTDI USB to TTL 3.3V 5V Mini USB Adapter Module

    RM 49.00

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    Product ID : 222074269
    Model / SKU : 190688344
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    FT232RL FTDI USB to TTL 3.3V 5V Mini USB Adapter Module

    FT232RL FTDI USB to TTL 3.3V 5V Mini USB Adapter Module




    Chip: FT232RL;

    FT232RL chip lead all the signal port, TTL / CMOS level;

    With RXD / TXD send and receive traffic lights;

    USB powered, optional 5V or 3.3V interface level (if other level, target voltage can be provided directly on the VCC and GND pins)

    PCB board size: 16mm * 34mm



    Software setup

    The first step is to download Arduino on your windows PC.

    This can be downloaded from the download page. If you have it already, make sure you have at least version 1.6.4 of Arduino.


    After starting arduino, open from the ‘file’ menu the preferences



    Fill in the “Additional board managers URL” this url:  http://arduino.esp8266.com/package_esp8266com_index.json


    Close the screen by the OK button.


    Now we can add the board ESP8266 thru the boardmanager.


    Click in the menu tools the menu option Board: “”. There  you will find the first option  “Board Manager”


    boardmanager-1 _ Arduino 1.6.5


    Type in the search bar, the 3 letters ESP


    boardmanager-2 _ Arduino 1.6.5


    The arduino ESP board will be the only option left. Click on the this one. The button  “Install” will appear. Click on install and wait for a minute to download the board.


    Boardmanager installed


    In the menu Tools “Board “”. Three new boards are added.


    ESP8266 board generic_ Arduino 1.6.5


    In my examples I use only “Generic ESP8266 Module” (When you have for example a ESP01 or ESP12 this is the board you have to choose).

    Select “Generic ESP8266 Module”. The screen will be similar like this.


    Board Info




    Press the button verify to compile your first sketch.

    The software is installed successfully when you see “Done compiling”.

    Assuming that you also see Generic ESP8266 Module in the bottom of the screen.


    Done Compiling Arduino 1.6.5


    Hardware setup

    The ESP8266 does not come with an USB connector with it.

    This is an additional component, required to communicate with the PC via USB.

    It is called USB to TTL to adapter (In the picture you will see FT232RL FTDI USB to TTL Serial Adapter)


    TTL to ESP01 blink ESP8266


    Connections should be like this:


    USB TTL <–> ESP8266 ESP-01

    GND — GND

    TX     — RX

    RX    — TX

    If your USB TTL doesn’t support RTS or DTR, you have to manually set your ESP8266 into upload mode (flashmode). Both options are explained in the example blink on the end of this page.


    Battery   <–>  ESP8266 ESP-01

    battery +   — VCC

    battery –    —  GND

    battery + — CH_PD

    If you read all other sites you knew this already. Be aware that this should set to 3.3volt.

    You may use instead a battery some other power source. Most of  the power source from the USB TTL will not provide enough power to upload the sketch or to connect to your wifi network. You may try but be not disappointed if this will not work.




    Select in the menu Tools , port the corresponding port of the USB-TTL adapter.


    Open the serial monitor (by pressing CTRL-Shift-M or from the menu Tools).

    Set the key emulation to “Both NL & CR” and the speed to 115200 baud. This can be set in the bottom of terminal screen.


    If you reset the ESP8266 you will see something like this.




    BTW:  the first line seems like there is a lot of rubbish. This is correct. We just have to ignore that.


    After you have uploaded your first sketch. Be aware that you have overwritten the AT program. This will not work anymore.


    Follow the instructions in Blink for uploading your first sketch.


    There are three options:


    A) The best way by using RTS and DTR to upload your sketch, using NPN resistor.

    B) the easy way by using RTS and DTR , but serial monitor does not work anymore

    C) The hard way by using two buttons.


    This is depending on the USB-TTL you have in front of you:


    usb-ttl-ft232rl-pinout     +     2N3904_pin_layout_S

    A) With DTR & RTS, use blink



    B) With DTR & RTS, use blink (without support of serial monitor)


    2015-04-18 18_17_40-Adaptador USB-TTL PL2303HX _ Nextia Fenix - Internet Explorer

    C) Without RTS & DTR use blink-manual-flash





    For enquiries please Whatsapp 0125374838

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    Item ID
    5/25/2022 7:59:00 AM


    For enquiries please Whatsapp 0125374838


    For enquiries please Whatsapp 0125374838


    For enquiries please Whatsapp 0125374838


    For enquiries please Whatsapp 0125374838

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