From 172f5ab9e2a5f352df9b1a2b3a1f341fa5a1cdcc Mon Sep 17 00:00:00 2001 From: sh123 Date: Wed, 17 Jun 2020 22:54:37 +0300 Subject: [PATCH] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index ed1c864..f9c0706 100644 --- a/README.md +++ b/README.md @@ -38,7 +38,7 @@ All work was done on ESP32-WROOM with custom made LoRa shield, if your ESP32 boa - lora module SS, **CfgPinSs**, GPIO_5 - lora module RST, **CfgPinRst**, GPIO_26 - lora module DIO0, **CfgPinDio0**, GPIO_14 -- if you are planning to experiment with different bandwidths/spread factors then modify values in `initializeConfig()`, with current parameters APRS packet time on air is around **1-2 seconds** at 292bps, to decode with as lower level as possible with reasonable speed comparable to 300bps HF APRS, use https://github.com/tanupoo/lorawan_toa to make calculations +- if you are planning to experiment with different bandwidths/spread factors then modify values in `initializeConfig()`, with current parameters APRS packet time on air is around **1-2 seconds** @ 292bps/36Bps, to decode with as lower level as possible with reasonable speed (comparable to 300bps HF APRS), use https://github.com/tanupoo/lorawan_toa to make further calculations - lora bandwidth `cfg.LoraBw`, 125 kHz (also tested with 20.6 KHz and SF9 with frequency correction) - lora spread factor `cfg.LoraSf`, 12 (should decode down to -20dB, choosen with the goal for minimum signal decode) - lora coding rate `cfg.LoraCodingRate`, 7