Member Since: February 21, 2010

Country: United States

  • I’m using this chip to print to a serial receipt printer from an Arduino Duemilanove + Ethernet Shield. The setup works perfectly when I have my Arduino drawing power from the USB port connected to my computer’s hub, but if I use a power supply, the text is garbled. I’ve tried the 9V 650mA AC adapter sold here and a 5V 4.0A adapter I have, and neither work. Any clue what I’m doing wrong?

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