Hi.

1. Purchased Yeti from Conrad
2. Assembled Yeti and transceiver
3. Tested transceiver with HyperTerminal. Transceiver works perfectly
4. Yeti not working

More exactly, when I try to upload the test.hex program in Yeti the Flash program says:
1. ok
2. ok
3. Communication with Yeti: Time out

As I understand (from ASURO, if I remember correctly) the microcontroller already has a program in it (from factory) and should send some data to transceiver at about 3 seconds after Yeti starts.
However, my transceiver receives nothing.
When I turn on Yeti, the servomotors (both) move a little bit and that's all.

I the package I got the serial transceiver (bad idea to still provide a serial PCB in 2008 guys!) and an USB to RS-323 adapter because I discovered that my brand-new/state of art mainboard do not have a serial port.

Any idea from where to start the debugging?

Any ideas?

Ok. The exact message from Flash151.exe is:

Open COM3 --> OK !
Bulding RAM --> OK !
Connect to ASURO --> Timeout !

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I open the robot and super-checked for bad soldering or shortcuts between lines. Everything is ok.
Now I will also check is all components are in the right place, even though it is impossible to make mistakes for such a small PCB.

solved