EspNow RcLink

RC Link library that works on ESP-NOW for tiny models in short range.

Features

• ESP32 and ESP8266 support
• Auto pairing
• Up to 100Hz packet rate (or maybe more)
• 8 RC channels
• Channels 1-4 are sent with full resolution and extended range 880-2120
• Channels 5-8 are sent with reduced resolution and scaled for extended range 880-2120 (packed to 8-bit size, resolution is 5 units)
• packet checksum checking

How it works

• when reciever is powered it sends pair request
• when transmitter is powered, it scans channels for pair request
• when transmitter receive pair request, adds peer to the list and sends pair response
• when receiver recieive pair response, adds peer to the list and start communicating only with this transmitter
• transmitter will not accept any other pair request, until power cycle
• receiver will not accept any data packet form other transmitter, until power cycle

Using in platformio

lib_deps =
  yoursunny/WifiEspNow @ ^0.0.20230713
  https://github.com/rtlopez/espnow-rclink/archive/refs/tags/v0.1.1.zip

Examples

• Receiver
• Transmitter

Todo

• Tests, a lot of testing required
• Telemetry
• RSSI
• More channels

Licence

This project is distributed under MIT Licence.