diff --git a/README.md b/README.md index 189df99..161deaa 100644 --- a/README.md +++ b/README.md @@ -1,7 +1,7 @@ # Experimental LoRa APRS ESP32 APRSDroid bluetooth modem and LoRa APRS-IS iGate Tiny experimental amateur radio ESP32 based LoRa APRSDroid KISS Bluetooth modem and LoRa APRS-IS iGate server. -![alt text](https://www.smart-prototyping.com/image/data/5_community/WIFI/101770%20Ra-01/2.png) +![alt text](images/pinouts.png) Can be used in two modes: - **as a LoRa APRS client**, you need to use APRSDroid application (https://aprsdroid.org), connect to the modem using bluetooth, data will be re-transmitted through the LoRa radio, this is similar to APRSDroid micromodem - https://unsigned.io/micromodem/, received data will be sent back to the APRSDroid using bluetooth. By having two clients you can not only send your position, but also send and receive APRS messages. @@ -33,6 +33,7 @@ Can be used in two modes: - note, that there a is **significant frequency drift** on temperature changes for different modules, you need to use **external TCXO** if you are planning to use modules for narrow bandwidths less than 125 kHz or calibrate clients based on server frequency drift report by changing **LORAPRS_FREQ**, which is OK for experiments # Test Results +![alt text](images/setup.png) - Antennas - Client - rubber duck antenna or mobile antenna on a car roof - Server - UHF yagi indoors diff --git a/images/pinouts.png b/images/pinouts.png new file mode 100644 index 0000000..f7554e4 Binary files /dev/null and b/images/pinouts.png differ diff --git a/images/setup.png b/images/setup.png new file mode 100644 index 0000000..a8ccd71 Binary files /dev/null and b/images/setup.png differ