Floodlight PIR

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1

I wanted to have a smart floodlight that would turn on at night with movement, but that could control; I also want to use the motion and light data for other automatons.
So I bought a cheap floodlight on amazon, gutted it and made it smart!

I used a spare tyw3s module I re-purposed from a dimmer I fried as the brain. I added a PIR module, a tsl256 light sensor, and a bme280 and a relay.
Forpower i used a stepdown and a regulator.

It took a bit of dremeling to get things to fit snug, but it all fit!
I made a small holes to allow access to the Tx Rx V G and GPIO0 through the housing, (on the underside to avoid water getting to the holes) and put some tape over them to protect from weather.
The tricky part was mitigating false positives. After closing it all up, the pir was reporting motion every minute or so, some times more frequently.
I solved this by re-routing the signal wire of the pir ad wrapping it with tinfoil and attaching the foil to ground. After that works like a charm.

I’m using esphome (was debating if I should use tasmota, but esphome seems easier; also like to have automations self contained in case the network goes down and this is not as easy to do for me in tasmota).

Here’s my yaml:

esphome:
  name: floodlight01
  platform: ESP8266
  board: esp01_1m

wifi:
  ssid: 
  password:

  manual_ip:
    static_ip: 192.168.x.xxx
    gateway: 192.168.x.x
    subnet: 255.255.255.0

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Floodlight01"
    password: "xxxx"

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:
  password: "xxxx"

ota:
  password: "xxxx"

i2c:
  sda: 12
  scl: 14
#  scan: True
  
binary_sensor:

  - platform: gpio
    pin:
      number: GPIO13
    name: "Floodlight pir"
    device_class: motion
    filters:
#    on_press:
#      then:
#        - switch.toggle: relay
#    on_release:
#      then:
#        - delay: 5s
#        - switch.turn_off: relay

switch:
  - platform: gpio
    name: "Floodlight"
    id: relay
    pin:
      number: GPIO16
      mode: OUTPUT

  - platform: gpio
    name: "Floodlight led"
    pin: GPIO4
    id: white_led
    inverted: yes

  - platform: restart
    name: "Floodligh resatrt"
    id: floodlight_restart


status_led:
  pin:
    number: GPIO5
    inverted: yes

sensor:
  - platform: tsl2561
    name: "Floodlight Brightness"
    address: 0x39
    update_interval: 60s

  - platform: bme280
    temperature:
      name: "Floodlight Temperature"
      id: Floodlight_temperature
      filters:
        - lambda: return (x * (9.0/5.0) + 32.0) -10;
      unit_of_measurement: "°F"
    pressure:
      name: "Floodlight Pressure"
      id: Floodlight_pressure
    humidity:
      name: "Floodlight Humidity"
      id: Floodlight_humidity
      filters:
        - lambda: return x +10;
    address: 0x76
    update_interval: 30s

Hope this helps someone looking to do the same.

Can anyone help me with writing a lambda so that this funtions like a traditional motion light (turns on only if dark and motion is sensed, with the ability to turn on /off the light via HA without interrupting the automatons).

Thanks in advance!

2

I think I got it!

esphome:
  name: floodlight01
  platform: ESP8266
  board: esp01_1m

wifi:
  ssid: 
  password:

  manual_ip:
    static_ip: 192.168.x.xxx
    gateway: 192.168.x.x
    subnet: 255.255.255.0

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Floodlight01"
    password: "xxxx"

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:
  password: "xxxx"

ota:
  password: "xxxx"

i2c:
  sda: 12
  scl: 14
#  scan: True
  
binary_sensor:

  - platform: gpio
    pin:
      number: GPIO13
    name: "Floodlight pir"
    device_class: motion
    filters:
#      - delayed_on: 10ms
    on_press:
      then:
        - if:
            condition:
              lambda: 'return id(Floodlight_Brightness).state < 10;'
            then:
              - switch.turn_on: Floodlight_relay
              - delay: 30s
              - switch.turn_off: Floodlight_relay        
            else:
              - logger.log: "The brightness value is above 10!"
        - switch.turn_off: Floodlight_relay

switch:
  - platform: gpio
    name: "Floodlight"
    id: relay
    pin:
      number: GPIO16
      mode: OUTPUT

  - platform: gpio
    name: "Floodlight led"
    pin: GPIO4
    id: white_led
    inverted: yes

  - platform: restart
    name: "Floodlight restart"
    id: floodlight_restart


status_led:
  pin:
    number: GPIO5
    inverted: yes

sensor:
  - platform: tsl2561
    name: "Floodlight Brightness"
    address: 0x39
    update_interval: 60s

  - platform: bme280
    temperature:
      name: "Floodlight Temperature"
      id: Floodlight_temperature
      filters:
        - lambda: return (x * (9.0/5.0) + 32.0) -10;
      unit_of_measurement: "°F"
    pressure:
      name: "Floodlight Pressure"
      id: Floodlight_pressure
    humidity:
      name: "Floodlight Humidity"
      id: Floodlight_humidity
      filters:
        - lambda: return x +10;
    address: 0x76
    update_interval: 30s
3

Added a script to the esphome yaml to keep the light on if there was extended activity (motion):
script:

- id: ${upper_devicename}_script
  mode: restart     # Light will be kept on during 1 minute since
                    # the latest time the script is executed
  then:
    - switch.turn_on: ${upper_devicename}_relay
    - delay: 30s
    - switch.turn_off: ${upper_devicename}_relay

binary_sensor:
  - platform: gpio
    pin:
      number: GPIO13
    name: "${upper_devicename} motion"
    device_class: motion
    filters:
#      - delayed_on: 10ms
    on_press:
      then:
        - if:
            condition:
              lambda: 'return id(${upper_devicename}_Brightness).state < 11;'
            then:
               - script.execute: ${upper_devicename}_script
#              - switch.turn_on: Floodlight_relay
#              - delay: 30s
#              - switch.turn_off: Floodlight_relay        
#            else:
#              - logger.log: "The brightness value is above 11!"
#        - switch.turn_off: Floodlight_relay 
#    on_release:
#      then:
#        - delay: 5s
#        - switch.turn_off: relay

switch:
  - platform: gpio
    name: "${upper_devicename} light"
    id: ${upper_devicename}_relay
    icon: "mdi:spotlight-beam"
    pin:
      number: GPIO16
      mode: OUTPUT