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ESPHOME component to control Nice drives via Bus T4 protocol

Nice Bus T4 protocol

Allowes ESP8266 to communicate with Nice gate/garage openers using the Bus T4 port. Nice controll board must be equipped with BusT4 connector.

Current capabilities

  • Sending commands: "Open", "Stop", "Close", "Partial opening", "Step by step (SBS)" and others via buttons.
  • Sending arbitrary HEX commands via the "raw_command" service. Byte separators can be periods or spaces. Example: 55 0c 00 03 00 81 01 05 86 01 82 01 64 e6 0c or 55.0D.00.FF.00.66.08.06.97.00.04.99.00.00.9D.0D
  • Formation and sending of arbitrary GET/SET requests through the "send_inf_command" service. Allows you to configure the device or get its status.
  • Display packets from all devices in the BusT4 network.
  • Tested with Wingo5000 with MCA5 block, Robus RB500HS, SO2000, Road 400, DPRO924.

BusT4:

This is a modified UART 19200 8n1 with a uart break duration of 519us-590us before each burst. You can connect several devices; for this, CAN-BUS transceivers are added to the physical layer. Physical transmission often occurs through CAN transceivers, but there are no CAN frames.

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BusT4 RX/TX are running on 5V. ESP8266 RX/TX are using 3.3V - level shifter must be used! BusT4 VCC pin provides power with voltage in range of 24V to 28V. Take extra care to follow the correct pinout - incorrect wiring to the BusT4 can immediately kill you Nice control board. Manually check voltage on the VCC port before connecting to the unit!

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The component supports sending an arbitrary command to the drive via the ESPHome service:

SBS:   55 0c 00 03 00 81 01 05 86 01 82 01 64 e6 0c
Open:  55 0c 00 03 05 81 01 05 83 01 82 03 64 e4 0c
Close: 55 0c 00 03 05 81 01 05 83 01 82 04 64 e3 0c
Stop:  55 0c 00 03 00 81 01 05 86 01 82 02 64 e5 0c

Original version available at https://github.com/pruwait/Nice_BusT4, most of credit goes to @pruwait.

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