CH340G USB TTL Konverter
CH340 USB TTL Konverter DetailUSB340 TTL Konverter PinoutUSB340 TTL Konverter AnschlussschemaCH340G USB TTL Konverter

CH340 USB TTL Serial Konverter

2,38 

ESP8266 USB 2.0 TTL RS232 serial Konverter RX TX Data OS X Win Linux Arduino

Der CH340 USB Konverter ist optimiert zum Flashen / Beschreiben mittels RS232 / seriellem Protokoll.

Our CH340 USB Converter is optimized for Flashing, Writing, and Reading using serial Protocol.

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Produktbeschreibung

ESP8266 USB 2.0 TTL RS232 serial Konverter RX TX Data OS X Win Linux Arduino

CH340 USB TTL Converter © androegg

CH340 USB TTL Pins © androegg

CH340 USB USB TTL Konverter Detail

CH340 connected to ESP8266 © androegg

CH340 USB USB TTL Konverter basic ESP8266 wiring

Der CH340 USB Konverter ist optimiert zum Flashen / Beschreiben mittels RS232 / seriellem Protokoll. Der CH340 USB TTL Konverter ist geeignet für OS X von 10.7 bis 10.11, Windows 7 bis 10, sowie gängige Linux Derivate.

Bei den typischen USB Treiber Problemen unter OS X bitte auf unserer Internetseite, bzw. in unserem Datenblatt nachschlagen.

 

Zu beachten:

 

USB TTL Konverter werden oftmals zur Spannungsversorgung von weiterer Peripherie eingesetzt.

Der CH340G kann mittels Jumper sowohl 3,3 als auch 5 Volt ausgeben.

Wichtig:
  • Der Ausgabesstorm von typischen USB TTL Konvertern ist limitiert, dies kann beim Betrieb externer Peripherie zu Fehlern führen!
  • – für detailierte Informationen bitte unser Datenblatt downloaden

Our CH340 USB Converter is optimized for Flashing, Writing, and Reading using serial Protocol. Our CH340 USB TTL Converter works on OS X up to Version 10.11 (El Capitan) Windows 7 bis 10, also common Linux Derivatives

Please check our Data Sheet for solving common problems during MAC OS X Driver Installation.

 

 

Notes:

USB TTL Converter often used as Power Supply for external Periphery.

The CH340G forward 3,3 Volt also also 5 Volt during simply Jumper setting.

Important Note:
  • Supply current of USB TTL Converter is strongly limited!
  • – for detailed Information please download and check out our Data Sheet-

CH340 USB TTL Converter Features:

  • provides a virtual serial port over USB 2.0 port
  • full speed 2.0 USB interface
  • based on 340G chip
  • supports operating systems as follows:
    • Linux
    • Mac OSX
    • Windows
  • supports baud rates from 50 bps up to 2 Mbps
  • supports CH341 driver
  • rail voltage
    • 5V mode 4.5-5.5V (Jumper 3V3 to VCC Pin closed)
    • 3,3V mode 3.3-3.8V (Jumper 5V to VCC Pin closed)
  • Operating current typ. 12 mA up to 30mA
  • Clock-frequency typ. 12 MHz.
  • Power-on reset time typ. 20 ms up to 50 ms
  • USB A Connector (male)
  • Transmitter baud rate error less than 0,3%
  • Receiver baud rate tolerance < 2%

Weitere Informationen

Gewicht 6 g
Größe 52 x 18 x 6 mm

Datenblatt

CH340G USB to UART Interface Technical Informations:

CH340 is a series of USB bus adapters, that provides serial, parallel or IrDA interfaces over USB bus (only serial interface). The CH340G integrate circuit provides common MODEM signals to allow adding a UART Devices to a computer, or converting existing UART devices to USB interface.

CH340  USB TTL serial Converter Features:

  • provides a virtual serial port over USB 2.0 port
  • full speed 2.0 USB interface
  • based on 340G chip
  • supports operating systems as follows:
    1. Linux
    2. Mac OSX
    3. Windows
  • supports baud rates from 50 bps up to 2 Mbps
  • supports CH341 driver
  • rail voltage
    1. 5V mode 4.5-5.5V
    2. 3,3V mode 3.3-3.8V
  • Operating current typ. 12 mA up to 30mA 1
  • Clock-frequency typ. 12 MHz.
  • Power-on reset time typ. 20 ms up to 50 ms
  • USB A Connector (male)
  • Transmitter baud rate error less than 0,3%
  • Receiver baud rate tolerance < 2%

 

CH340  USB TTL serial Converter Dimensions:

Dimension incl. Pins w/o Pins
length 52 mm 45 mm
width 14 mm 14 mm
height 8,5 mm 8,5 mm
weight 5 gr. 5 gr.

 

CH340  USB TTL serial Converter  Driver Installation:

Actual Driver download overview:

Operating System download Link
Linux CH341SER_LINUX_OS.zip  CH340G USB TTL Converter Linux Driver (132 Downloads)
MAC OSX CH341SER_MAC_OS.zip  CH340G USB TTL Converter MAC OSX Driver (231 Downloads)
Windows CH341SER_WINDOWS_OS.zip  CH340G USB TTL Converter Windows Driver von Windows 7 bis Windows 10 (1757 Downloads)
Android CH341SER_ANDROID_OS.zip  CH340G USB TTL Converter Android Driver (150 Downloads)
  1. please choose designated download link
  2. unpack zip file
  3. run installer package

 

CH340  USB TTL serial Converter common Driver Problems:

Mac OSX 10.9 Mavericks   Mac OSX 10.10 Yosemite  CH340 USB TTL Driver Installation

On newer versions of OS X (10.9 and 10.10), when you double-click the install packages inside the CH341 disk image, you may be presented with a type error about not being able to open the files because they are not from an identified developers.

CH 340 OS X 10.9 AND OS X 10.10 DRIVER INSTALLATION temporarily Solution
  1. To get around this, simply right-click at the CH341 installer package you want to install, or press CTRL + mouse click, if you don’t have a right-click. Then select open from the menu.
  2. A new dialog will open asking if you are certain
    • … Are you sure you want to open it?
    • Click Open, and proceed with the installation
CH 340 OS X 10.9 and OS X 10.10 DRIVER INSTALLATION permanent Solution

OSX default setting allows only installing Applications downloaded from App Store or identified developers. Caution, this solution will allow installing applications downloaded from any resources!

  1. Open System Preference
  2. If System Preferences appear click on Security & Privacy Settings
    • click on lock sign for enable making changes
    • assign Administrator privileges within password
    • choose Anywhere
  3. A new dialog will open
    • Choosing “Anywhere“ makes your Mac less secure
    • Click Allow From Anywhere
  4. Double Click on CH341 Installer package and proceed with installation of CH341

 

Mac OSX 10.11 El Capitan CH340 USB TTL Driver Installation

Depending on version of OSX 10.11 EL Capitan will allow (or not) temporarily solution, also on some systems installation of Kext File will be interrupted. Either way temporarily Solution as follows is recommended.

CH 340 OS X 10.11 DRIVER INSTALLATION temporarily Solution
  1. For installing CH341 driver, simply right-click at the CH341 installer package you want to install, if you don’t have enabled right-click in System Preferences, Mouse settings CTRL + mouse click. Then select open from the menu.
  2. A new dialog will open asking if you are certain
    • … Are you sure you want to open it?
    • Click Open, and proceed with the installation

If installation fails, OSX EL Capitan will not allow installing required Kext Files, proceed installation with permanent Solution.

CH 340 OS X 10.11 Driver Installation permanent Solution

OSX EL Capitan will not allow change system preference / security settings during running OSX. OSX El Capitan must restarted in recovery mode, please read steps as follows carefully.

  1. Close all Applications, save all Files
  2. In the Apple menu  , choose Restart
  3. As the computer restarts, hold down the Command (⌘) in combination with R key.
    Apple sign will appear for a while (up to couple of minutes) until recovery mode will appear.
  4. In recovery mode click on System Preference
  5. In System Preference click on Security & Privacy Settings,
    • click on lock sign for enable making changes
    • assign Administrator privileges within password
    • choose Anywhere
  6. A new dialog will open
    • Choosing “Anywhere“ makes your Mac less secure
    • Click Allow From Anywhere
  7. After saving Security & Privacy Settings restart  by click on   choose Restart
  8. After restart double click on designated CH341 Installer package and proceed with installation of CH341
    • For restore OS X El Capitan security setting please follow step 9 to 13

Restore OS X El Capitan security settings

For security reasons it is recommended change security settings to OSX El Capitan default settings.

  1. After installing CH341 Package click Apple menu  , choose Restart
  2. As the computer restarts, hold down the Command (⌘) in combination with R key.  Apple sign will appear for a while (up to couple of minutes) until recovery mode will appear.
  3. In recovery mode click on System Preference
  4. In System Preference click on Security & Privacy Settings,
    • click on lock sign for enable making changes
    • assign Administrator privileges within password
    • choose Mac App Store and identified developers
  5. After saving Security & Privacy Settings restart  by click on   choose Restart

After restart CH341 driver will be installed and security settings will be default El Capitan settings.

In case of error messages during driver install kext privileges has to be changed (see next chapter Changing OSX El Capitan kext privileges).

USB TTL Converter Driver Installation changing OS X El Capitan kext privileges

Normally, whole directory that contains the kext files must be owned by the root:wheel user. If it’s not,  errors during loading phase of kext (kernel extension) will appear.  Depending on OSX El Capitan version

System Integrity Protection has to be disabled in recovery mode as follows.

  1. Close all Applications, save all Files
  2. In the Apple menu  , choose Restart
  3. As the computer restarts, hold down the Command (⌘) in combination with R key.
    Apple sign will appear for a while (up to couple of minutes) until recovery mode will appear.
  4. In recovery mode click on Utilities menu choose Security Configuration
  5. In System Configuration disable System Integrity Protection  checkbox
    • click on apply for enable making changes
  6. after rebooting, restart Mac kext files will be writable, if not please follow next solution.

Depending on OSX 10.11 version previous version will not work, because of NVRAM options. On some system you can change kext privileges by using Terminal in regular mode, so if following steps are not working change system into recovery mode as in previous solution.

  1. Open Terminal
    • in regular mode Launchpad find others click Terminal
    • in recovery mode Utilities menu choose Terminal
  2. In Terminal check  System Integrity Protection status by using command as follows
    • sudo csrutil status press ↩ (enter)
    • assign Administrator privileges within password (password will not appear) and press ↩ (enter)
    • message as follows will appear System Integrity Protection status: enabled.
  3. For changing System Integrity Protection status use command as follows
    • csrutil disable  press ↩ (enter)
    • message as follows will appear Successfully disabled System Integrity Protection. Please restart the machine for changes to take effect.
    • Follow instructions as above

 

CH340 USB TTL Converter Linux Driver Installation

CH341 Driver is already preconfigured in Linux Kernel.

 

CH340 USB TTL Converter Windows Driver Installation

Until now no issues during CH341 Windows Installation are  known. If problems during installation appear don’t hesitate contacting us by mail

 

CH340 USB TTL Converter Android Driver Installation

CH341SER_ANDROID_OS Driver Package is based on typical Android OS. For running CH340G on Android x86 within virtual machine (VirtualBox,…) Driver Package has to be installed on host system. Within our experience until now USB is not supported on X86 Virtual Machines.

 

CH340 USB TTL Converter Data Sheet download  USB TTL Konverter CH340G Datenblatt (317 Downloads)

CH340 Pinout

CH340G USB UART serial Converter Pinout

USB340 TTL Konverter Pinout
USB340 TTL Konverter Pinout

CH340 Anschlussbelegung

CH340G USB UART serial Converter wiring

CH340 USB TTL Converter Data Sheet
CH340 USB TTL Converter

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