Hi there! I have an Arduino ethernet Rev2: 90-A2-DA-0D-6B-74 and one of this TTL UART CP2102 (link here: http://www.ebay.it/itm/111265789816?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649). To connect the board I've followed this simple pinout (http://arduino.cc/en/Main/ArduinoBoardEthernet):
"Pin 1 is the pin 1 is the closest to the regular TX / RX pins and the pin 6 is next to the micro SD reader.
- Not connected
Pin 1 is on upper right corner, looking at the USB connector from the back side:
So, my connection scheme is:
Arduino CP2102 1 5 2 3 6 4 4 5 3 6 2
The problem is the following: whenever I try to program it I have the following error: "arvdue: stk500_getsync(): not in sync: resp=0x00" I've tried to press reset when uploading but it's not helping so far. I've tried both on Windows (8 and 7) and Linux MINT 16. On Windows I've used the driver on the following page: http://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx
I've followed this topic: http://forum.arduino.cc/index.php?topic=138611.0 and I'd like to put a 0.1uF capacitor between DRT and Reset (as suggested by Erni), but I don't have the DRT!
Hope to hear from you soon :)