编写esphome控制低电平触发继电器的程序
时间: 2023-05-19 22:05:57 浏览: 111
可以使用以下代码来编写esphome控制低电平触发继电器的程序:
```yaml
esphome:
name: my_device
platform: ESP8266
board: nodemcuv2
wifi:
ssid: "my_wifi_ssid"
password: "my_wifi_password"
# Define a binary output component for the relay
output:
- platform: gpio
pin: D1
id: relay_output
# Define a switch component to control the relay
switch:
- platform: template
name: "My Relay"
id: my_relay
icon: "mdi:power"
turn_on_action:
- output.turn_on: relay_output
turn_off_action:
- output.turn_off: relay_output
# Define a binary sensor component to detect low voltage
binary_sensor:
- platform: gpio
pin:
number: D2
mode: INPUT_PULLUP
inverted: True
name: "Low Voltage Sensor"
id: low_voltage_sensor
device_class: power
# Define an automation to turn off the relay when low voltage is detected
automation:
- alias: "Turn off relay on low voltage"
trigger:
platform: state
entity_id: binary_sensor.low_voltage_sensor
to: "on"
action:
- switch.turn_off: my_relay
```
这个程序使用ESPHome平台来控制一个低电平触发继电器。当开关组件被打开时,继电器会被打开,当开关组件被关闭时,继电器会被关闭。此外,程序还定义了一个二进制传感器组件来检测低电压,并在检测到低电压时自动关闭继电器。
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