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TMS320C5505+Pulse Oximeter Front-End

Qi Fu
Prodigy 250 points
Other Parts Discussed in Thread: TMS320C5505

Hi

We bought the develpment kits of TMS320C5505 EVM and the front-end of pulse oximeter from your company and We need your help.TMS320C5505 board' SN is C5E_0910216,SpO2 front-end SN is 1671300076.

we use the SpO2 system of your company.
1. before connect the SpO2 front-end, the LCD is display normal, but after connect the front-end (we didn't disconnet the oxygen sensor)through the RS232 connect to PC, the LCD display abornal and the words are fuzzy,and there is a big noise from pleth(spo2 waveform).Red led is abornal,can't turn on the light.

2. Could you tell me why? How to deal with that?

Looking forward to your reply. Thank you.

Fuqi