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Tuya USB Relay HC-S050-WIFI

Tuya USB Relay HC-S050-WIFI

Device Type: relay
Electrical Standard: global
Board: bk72xx

General Notes

Tuya HC-S050-WIFI

The Tuya HC-S050-WIFI is cheap USB "relay" that can hold up to 12v (by specs).

GPIO Pinout

PinFunction
P6LED
P7Relay
P8Button

Flashing

Flash using ESP Web install and select any option. Lately we replace it with bk controller:

Tuya HC-S050-WIFI Flashing PCB pinout

PinFunction
GND- 3.3V
3.3V+ 3.3V
TP4TX
TP5RX
TP3possible EN

Configuration for ESP-IDF

substitutions:
  manufacturer: Tuya
  model: HC-S050-WIFI


esphome:
  name: usb-relay-adapter
  friendly_name: USB Adapter
  area: Entrance
  comment: bk72xx, usb, HC-S050-WIFI


bk72xx:
  board: generic-bk7231n-qfn32-tuya


logger:
  baud_rate: 0
  level: INFO


# << -- don't forget to put here API, OTA, WIFI sections -- >>


switch:
  - platform: gpio
    id: relay
    name: "Relay"
    pin: P7
    restore_mode: RESTORE_DEFAULT_OFF


light:
  - platform: status_led
    name: "Status LED"
    disabled_by_default: true
    entity_category: diagnostic
    pin:
      number: P6
      inverted: true


binary_sensor:
  - platform: gpio
    id: btn
    pin:
      number: P8
      inverted: true
      mode:
        input: true
        pullup: true
    name: Side button
    on_release:
      then:
        - switch.toggle: relay
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