[chirp_devel] VX2r update (nothing to report)
Andrew Errington
Tue Mar 20 06:51:35 PDT 2012
Hi all,
I moved apartments and have been setting up my workspace again. Unfortunately
I have nothing further to report. I have tried my 3V3 and 5V FTDI chip
interfaces and neither work. I can receive data, but I cannot transmit, so
the radio halts at the first block.
It worked once, but I haven't been able to reproduce that.
I will now try to add a transistor buffer on the transmit line (from the FTDI
chip). Maybe it can't pull down hard enough. I did run the FTDI chip
utility to turn on the high-current output drive, but no effect.
Yes, I could buy an interface, but that will teach me nothing.
73,
Andrew
ZL3AME
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