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Welcome to the astir13 fork of SoftRF

Main purpose is right now to:

• improve the standalone version of SoftRF for 2019 season flying
• fix some minor issues in the original version (with all respect for the really excellent work of lyusupov!)
• share my improvements with the world

My HW modifications:

(1) using an HLY-10 bluetooth module, as it allows reprogramming before connection without modding the standalone printed circuit; just connect the RX, TX, VCC and GND pins and maybe add a LED to indicate BT connection.

SoftRF MKII More documentation

• the blue Power LED:
  • blinks if Battery voltage is below 3.5V
  • is stady when then SoftRF is running
  • is off when the SoftRF ESP32 is in deep sleep
• the red LED besides the power LED:
  • is on when in standby or on modes
  • is off when in deep sleep
• the PWR button:
  • long press > 7 seconds: switches off the device into deep sleep (RED LED is off)
  • short press ~ 1 second: switches the device on
  • middle long press > 2 seconds > 4 seconds: switches off, but in a kind of mid-level standby