ESPHome Config for DFRobot mmWave SEN0395 Sensor

mmwave.yaml

esphome:
  name: mmwave-occupancy

esp8266:
  board: esp01_1m

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:
  password: "password"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "mmWave-Occupancy"
    password: "password"

substitutions:
  device_name: mmwave-sensor
  
captive_portal:

web_server:
  port: 80
  version: 2
  include_internal: true

http_request:
  useragent: esphome/$device_name
  timeout: 2s

switch:
  - platform: safe_mode
    internal: true
    name: use_safe_mode

binary_sensor:
- platform: gpio
  name: mmwave_in_bedroom
  pin:
    number: GPIO16
    mode: INPUT_PULLDOWN

uart:
  id: uart_bus
  tx_pin: GPIO4
  rx_pin: GPIO5
  baud_rate: 115200
  debug:
    direction: BOTH
    dummy_receiver: true
    after:
      delimiter: "\n"
    sequence:
      - lambda: UARTDebug::log_string(direction, bytes);

number:
  - platform: template
    name: distance
    id: distance
    min_value: 0
    max_value: 1350
    initial_value: 315
    optimistic: true
    step: 15
    restore_value: true
    unit_of_measurement: cm
    set_action:
      - uart.write: "sensorStop"
      - delay: 1s
      - uart.write: !lambda
                      int cm = (int)ceil(x / 15.0);
                      std::string cms = "detRangeCfg -1 0 " + to_string(cm);
                      return std::vector<unsigned char>(cms.begin(), cms.end());
      - delay: 1s
      - uart.write: "saveCfg 0x45670123 0xCDEF89AB 0x956128C6 0xDF54AC89"
      - delay: 1s
      - uart.write: "sensorStart"
      
  - platform: template
    name: latency
    id: latency
    min_value: 0
    max_value: 65000
    initial_value: 12500
    optimistic: true
    step: 25
    restore_value: true
    unit_of_measurement: ms
    set_action:
      - uart.write: "sensorStop"
      - delay: 1s
      - uart.write: !lambda
                      int ms = (int)ceil(x / 25.0);
                      std::string mss = "outputLatency -1 0 " + to_string(ms);
                      return std::vector<unsigned char>(mss.begin(), mss.end());
      - delay: 1s
      - uart.write: "saveCfg 0x45670123 0xCDEF89AB 0x956128C6 0xDF54AC89"
      - delay: 1s
      - uart.write: "sensorStart"   

button:
  - platform: restart
    name: Restart $device_name

  - platform: template
    name: "factory_reset_sensor"
    id: "factory_reset_sensor"
    on_press:
      - uart.write: "sensorStop"
      - delay: 1s
      - uart.write: "factoryReset 0x45670123 0xCDEF89AB 0x956128C6 0xDF54AC89"
      - delay: 3s
      - uart.write: "sensorStart" 

Great work!
Will you publish the V2, @EverythingSmartHome ?
And 3D STL?

Thanks for sharing this code. I haven't used the number component before, and this example is a better explanation than what is in the ESPHome docs.

The STL has been posted on Discord: https://www.printables.com/model/257906-esp32-mmwave-and-pir-room-occupancy-sensor/files

Thank you @WhistleMaster !
On my list for when parts are delivered!

is there a way to disable the onboard LED?

is there a way to disable the onboard LED?

Yes, I desperately wanted that and it took me some google searches and trying but I managed to do it inspired by https://community.home-assistant.io/t/mmwave-presence-detection-esphome-style/382778 and https://github.com/hjmcnew/esphome-hs2xx3a-custom-component/blob/main/packages/leapmmw_sensor.yml
as follows:
Add the following in your esphome device yml:

• platform: template
  name: "turn_off_mmWave_led"
  id: turn_off_led
  on_press:
  • uart.write: "sensorStop"
  • delay: 1s
  • uart.write: "setLedMode 1 1"
  • delay: 1s

following 2 lines commented because I have no leapmmw_sensor It works fine without

- lambda: |-

leapmmw(id(uart_bus)).getmmwConf("getLedMode 1");

  - delay: 1s
  - uart.write: "setUartOutput 1 0"
  - delay: 1s
  - uart.write: "setUartOutput 2 1 1 2"
  - delay: 1s
  - uart.write: "saveConfig"
  - delay: 3s 
  - uart.write: "sensorStart"
  - delay: 6s # the sum of mmwave_sensor delays   

install
add "turn_off_mmWave_led" to your dashboard and click
If you like you can make a boolean helper and an automation that runs this if the boolean is turned of and th turn on script if you turn it on.

why you didnt define an uar.write sensorStart? could you post your yaml platform template configuration? i am getting errors with mine.
Edit:
so this si how it should be coded? it doesnt seem to work.

- platform: template
name: "turn off mmwave led"
id: "turn_off_led"
on_press:
- uart.write: "sensorStop"
- delay: 1s
- uart.write: "setLedMode 1 1"
- delay: 1s
- uart.write: "setUartOutput 1 0"
- delay: 1s
- uart.write: "setUartOutput 2 1 1 2"
- delay: 1s
- uart.write: "saveConfig"
- delay: 3s
- uart.write: "sensorStart"
- delay: 6s # the sum of mmwave_sensor delays

Great work! Will you publish the V2, @EverythingSmartHome ?

Just came here searching and asking for this.
Will you publish the code for this V2?

Since I have the stuff home, I'll build one, if it works nicely you can expect a new client for a maybe 4 units.