/SX1281_QO100_TX

QO-100 SAT CW Transmitter with OLED Display using LoRa module

Primary LanguageC++GNU General Public License v3.0GPL-3.0

SX1281_QO100_TX

QO-100 SAT CW Transmitter with OLED Display using 2.4 GHz LoRa module with TCXO by OM2JU and OK1CDJ

https://www.nicerf.com/products/detail/500mw-2-4ghz-lora-wireless-transceiver-module-lora1280f27-lora1281f27.html

Only one DIGI mode possible - SLOW Hellschreiber - need bigger dish than 80cm - only beacon implemented yet

Maximal power output is 450mW. It is enought to work over satellite with 60cm DISH, but tested also with 35cm and helix feed.

Features

  • Paddle input -IAMBIC keyer
  • Straight key input
  • Change frequency, power, keyer speed by rotary encoder
  • Frequency callibration
  • Beacon mode
  • cwdaemon compatible UDP server on port 6789
  • WiFi client or AP mode
  • Web interface for WiFi config
  • Web interafce for tuning, change speed and power
  • New: PTT output on ESP32 module pin-12. This is logic signal, one must add external NPN/MOSFET. Configurable delay.

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Used libraries

Adafruit GFX Library

Adafruit_SSD1306

SX12XX Library - https://github.com/StuartsProjects/SX12XX-LoRa

ESPAsyncWebServer - https://github.com/me-no-dev/ESPAsyncWebServer

AsyncTCP - https://github.com/me-no-dev/AsyncTCP

User interface

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