hello guys this is my first post so bear with me. I order a usb to serial adaptor  for $1.78 from ebay and wanted to try and make it work. since there is no information from the seller exept that is based on the PL2303. Since we have no info and no drivers I decided to google and I found a driver that might work  it comes from prolific  http://www.prolific.com.tw/UserFiles/files/PL2303_Prolific_DriverInstaller_v1_8_0.zip.

Step 1: Drivers installation

we download the driver and we unzip the files. then we run the driver installation program. I am not going to post pictures and step by step instructions because all you have to do is click "ok" and "install".
<p>I have same adapter, before I tried with many prolific drivers but did not work. With your zip file worked. Finally I can use my TTL adapter. Thank you.</p>
<p>Hi! When connected as you mentionned i cannot access tools menu from arduino</p><p>thank you!</p><p>marC:)</p>
Try to create a new sketch and see if it works.
<p>i cannot go into serial monitor when the adapter is connected.. :(</p>
did you know TTL stands for transistor transistor logic?
well the pl2303 has pin 3 wich is RTS (Request to send ) and DTR (Data terminal Ready) on pin 2 that can be used to interface with I2C ..... <br>DTR to i2c-SDA and <br>RTS to i2c-SCLK <br>..I would need to go back and take a look at my c++ books but I think I can write some software that would let me talk to some I2C modules . I think I have a ds1307 somewhere.
Very promising little gizmo. I'm thinking next you need to figure out a CLK pin to do some serious damage. (Directly connect I2C, SPI, etc, chips)

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Bio: Master Diesel Tech, in California. I love electronics and everything science .
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