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CH340 USB to TTL Serial Adaptor (HCMODU0076) 
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Joined: Sun Aug 05, 2012 4:02 pm
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Post CH340 USB to TTL Serial Adaptor (HCMODU0076)
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The CH340 USB to serial adaptor (HCMODU0076) makes use of the CH340 USB to serial IC to provide a low cost alternative to our popular FTDI based module. Although much cheaper this module doesn't lack in features or usability. Once you have installed the drivers the module will appear as a normal serial COM port on your computer making it compatible with most terminal programs and development environments such as the Arduino IDE.

The module includes a small switch which allows the voltage available at the VC (Supply output) pin to be switched between 3.3 and 5V. Data pins include TX, RX, CTS and DTR (needed for automatic reset when programming Arduino boards). These digital pins are at 5V TTL levels allowing them to be directly interfaced most 5V microcontrollers.

Please note: Driver support is currently for Microsoft Windows 32/64 bit only.




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DTR....Data Terminal Ready
RXD....Serial in
TXD....Serial out
VC......3.3V or 5V Supply out selected via switch
CTS.....Clear To Send
GND....0V




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Windows drivers:

Attachment:
HCMODU0076_CH340SER_Windows_Drivers.zip




MAC installation instructions

New code signed version confirmed to work with 10.12 Sierra

Attachment:
CH34x_Install_V1.3.zip



Older code signed version confirmed to work with El Capitan

Attachment:
CH34x_OSX.zip



Instructions:

Download the driver (you must be logged in to download)

Once downloaded, double-click the zip file to unzip it.

Run installer found in that folder.

If asked to restart, do not restart just yet.

Now restart your Mac.


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Thu Feb 26, 2015 11:04 am
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