Lyfco/Exgain Robotic mower Wifi Module MQTT/restAPI

What is this?

A wifi remote control for Lyfco / Exgain robotic mowers models 1800, 1750 and 1600. Features: Web interface and MQTT client for status readout and remote control.

Materials needed

• ESP8266 development board, like Wemos D1 or similar.
• Thin cables
• Soldering equipment and skills.

Preparing the hardware

• Setup Arduino for your ESP board and compile the code
• Upload the code to the ESP using USB cable
• Run Serial debug window and type CFG and Enter to list current config.
• Change config like Wifi, password, MQTT etc by typing like "CFG wifi_ssid=test"
• As soon it has connected to WiFi you can connect to its IP via web browser for more convenient settings management and monitoring.
• Solder 6 cables as shown in diagram, OBS If not using Wemos, Pins may be different.

Installation

• Turn off the Lyfco completely and open the top cover.
• Locate the built Wifi module (White QR code sticker)
• Connect the 6 cables as shown in diagrams and pictures.
• Mount/place the Wifi module in a good spot.

MQTT Read -----------

• battery (25.55V)
• battprocent (66%)
• status ("00000000000000" Status flags)
• statustxt ("Lost power on base station")
• chargetime (140 hours)
• runtime (110 hours)
• rssi ("Good -55dBm")
• rssinum (-55)
• mode ("Standby", "Charging" or "Running")
• alarm (0 or 1)

MQTT Set (lyfco/set) ------------

• PAYLOAD
• lstop Stop
• lrun Run
• lhome Go home
• lremote Start remote mode
• lforw Move forward
• lback Move backwards
• lleft Move left
• lright Move right
• lmow Start cut motor