HTCC-AB02 bandwidth + demo sketch

#1

Dear gurus,

Just got these nice 433MHz modules, and have some questions:

1 Where can i get the code for the demo sketch that is already in units?
It’s not among examples or in GitHub repo.

2 Why is 125kHz the smallest bandwidth, no TCXO? I have old RFM98W running happily at 31.25kHz.

All the best:

/Björn

#2

Hello,

  1. Please refer to the data, there is a code address
  2. There is TCXO. Can support smaller bandwidth:
    const RadioLoRaBandwidths_t Bandwidths[] = { LORA_BW_125, LORA_BW_250, LORA_BW_500, LORA_BW_062,LORA_BW_041, LORA_BW_031, LORA_BW_020, LORA_BW_015, LORA_BW_010, LORA_BW_007 };
#3

Thank you dear Xiao-H,

I have already found that, but problem is I’m getting timing error when using smaller bandwidths.
I think there are missing entries in structure “RadioLoRaSymbTime”.
Can you help?

All the best:

/Björn