Files
esp32-configs/athom-ld2450-sensor.yaml
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2026-01-19 14:32:34 +08:00

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YAML

substitutions:
name: "athom-ps02c3mz-sensor"
friendly_name: "PS02C3MZ Sensor"
room: ""
device_description: "athom esp32c3 ld2450 motion target tracking sensor"
project_name: "China Athom Technology.PS02C3MZ LD2450"
project_version: "v2.0.4"
update_interval: 60s
# Define a domain for this device to use. i.e. iot.home.lan (so device will appear as athom-smart-plug-v2.iot.home.lan in DNS/DHCP logs)
dns_domain: ""
# Set timezone of the smart plug. Useful if the plug is in a location different to the HA server. Can be entered in unix Country/Area format (i.e. "Australia/Sydney")
timezone: ""
# Set the duration between the sntp service polling ntp.org servers for an update
sntp_update_interval: 6h
# Network time servers for your region, enter from lowest to highest priority. To use local servers update as per zones or countries at: https://www.ntppool.org/zone/@
sntp_server_1: "0.pool.ntp.org"
sntp_server_2: "1.pool.ntp.org"
sntp_server_3: "2.pool.ntp.org"
# Enables faster network connections, with last connected SSID being connected to and no full scan for SSID being undertaken
wifi_fast_connect: "false"
# Define logging level: NONE, ERROR, WARN, INFO, DEBUG (Default), VERBOSE, VERY_VERBOSE
log_level: "NONE"
# Enable or disable the use of IPv6 networking on the device
ipv6_enable: "false"
esphome:
name: "${name}"
friendly_name: "${friendly_name}"
comment: "${device_description}"
area: "${room}"
name_add_mac_suffix: true
min_version: 2025.7.0
project:
name: "${project_name}"
version: "${project_version}"
platformio_options:
board_build.flash_mode: dio
esp32:
board: esp32-c3-devkitm-1
flash_size: 4MB
variant: ESP32C3
framework:
type: esp-idf
version: recommended
sdkconfig_options:
# @grigi found in testing that these options resulted in better responsiveness.
# BLE 4.2 is supported by ALL ESP32 boards that have bluetooth, the original and derivatives.
CONFIG_BT_BLE_42_FEATURES_SUPPORTED: y
# Also enable this on any derivative boards (S2, C3 etc) but not the original ESP32.
CONFIG_BT_BLE_50_FEATURES_SUPPORTED: y
# Extend the watchdog timeout, so the device reboots if the device appears locked up for over 10 seconds.
CONFIG_ESP_TASK_WDT_TIMEOUT_S: "10"
# Enable logging
logger:
baud_rate: 115200
hardware_uart: UART0
level: ${log_level}
mdns:
disabled: false
web_server:
port: 80
ota:
- platform: esphome
network:
enable_ipv6: ${ipv6_enable}
wifi:
# This spawns an AP with the device name and mac address with no password.
ap: {}
# Allow rapid re-connection to previously connect WiFi SSID, skipping scan of all SSID
fast_connect: "${wifi_fast_connect}"
# Define dns domain / suffix to add to hostname
domain: "${dns_domain}"
captive_portal:
esp32_ble_tracker:
scan_parameters:
# Don't auto start BLE scanning, we control it in the `api` block's automation.
continuous: false
active: true # send scan-request packets to gather more info, like device name for some devices.
interval: 320ms # default 320ms - how long to spend on each advert channel
window: 300ms # default 30ms - how long to actually "listen" in each interval. Reduce this if device is unstable.
# If the device cannot keep up or becomes unstable, reduce the "window" setting. This may be
# required if your device is controlling other sensors or doing PWM for lights etc.
# Enable Home Assistant API
api:
on_client_connected:
- esp32_ble_tracker.start_scan:
continuous: true
on_client_disconnected:
- esp32_ble_tracker.stop_scan:
bluetooth_proxy:
active: true
esp32_improv:
authorizer: none
dashboard_import:
package_import_url: github://athom-tech/esp32-configs/athom-ld2450-sensor.yaml
light:
- platform: status_led
name: "Status LED"
id: led
pin: GPIO2
disabled_by_default: true
entity_category: config
i2c:
sda: GPIO18
scl: GPIO19
scan: true
uart:
id: uart_ld2450
tx_pin: GPIO8
rx_pin: GPIO5
baud_rate: 256000
parity: NONE
stop_bits: 1
ld2450:
id: ld2450_radar
uart_id: uart_ld2450
button:
- platform: ld2450
ld2450_id: ld2450_radar
factory_reset:
name: "LD2450 Factory Reset"
entity_category: "config"
restart:
name: "LD2450 Restart"
entity_category: "config"
- platform: factory_reset
name: Restart with Factory Default Settings
id: Reset
entity_category: config
- platform: restart
name: Restart_esp
id: restart_esp
entity_category: config
- platform: safe_mode
name: "Safe Mode"
internal: false
entity_category: config
sensor:
- platform: ld2450
ld2450_id: ld2450_radar
target_count:
name: Presence Target Count
id: target_count
still_target_count:
name: Still Target Count
id: still_target_count
moving_target_count:
name: Moving Target Count
id: moving_target_count
target_1:
x:
name: Target-1 X
id: target_1_x
y:
name: Target-1 Y
id: target_1_y
speed:
name: Target-1 Speed
id: target_1_speed
angle:
name: Target-1 Angle
id: target_1_angle
distance:
name: Target-1 Distance
id: target_1_distance
resolution:
name: Target-1 Resolution
id: target_1_resolution
target_2:
x:
name: Target-2 X
id: target_2_x
y:
name: Target-2 Y
id: target_2_y
speed:
name: Target-2 Speed
id: target_2_speed
angle:
name: Target-2 Angle
id: target_2_angle
distance:
name: Target-2 Distance
id: target_2_distance
resolution:
name: Target-2 Resolution
id: target_2_resolution
target_3:
x:
name: Target-3 X
id: target_3_x
y:
name: Target-3 Y
id: target_3_y
speed:
name: Target-3 Speed
id: target_3_speed
angle:
name: Target-3 Angle
id: target_3_angle
distance:
name: Target-3 Distance
id: target_3_distance
resolution:
name: Target-3 Resolution
id: target_3_resolution
zone_1:
target_count:
name: Zone-1 All Target Count
id: zone_1_target_count
still_target_count:
name: Zone-1 Still Target Count
id: zone_1_still_target_count
moving_target_count:
name: Zone-1 Moving Target Count
id: zone_1_moving_target_count
zone_2:
target_count:
name: Zone-2 All Target Count
id: zone_2_target_count
still_target_count:
name: Zone-2 Still Target Count
id: zone_2_still_target_count
moving_target_count:
name: Zone-2 Moving Target Count
id: zone_2_moving_target_count
zone_3:
target_count:
name: Zone-3 All Target Count
id: zone_3_target_count
still_target_count:
name: Zone-3 Still Target Count
id: zone_3_still_target_count
moving_target_count:
name: Zone-3 Moving Target Count
id: zone_3_moving_target_count
- platform: uptime
name: "Uptime Sensor"
id: uptime_sensor
type:
timestamp
entity_category: "diagnostic"
- platform: wifi_signal
name: "WiFi Signal dB"
id: wifi_signal_db
update_interval: 60s
entity_category: "diagnostic"
- platform: copy
source_id: wifi_signal_db
name: "WiFi Signal Percent"
filters:
- lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
unit_of_measurement: "Signal %"
entity_category: "diagnostic"
device_class: ""
- platform: bh1750
name: "Light Sensor"
id: "bh1750_sensor"
address: 0x23
update_interval: 5s
binary_sensor:
- platform: ld2450
ld2450_id: ld2450_radar
has_target:
name: Presence
has_moving_target:
name: Moving Target
has_still_target:
name: Still Target
- platform: status
name: "Status"
entity_category: diagnostic
- platform: gpio
pin:
number: GPIO9
mode: INPUT_PULLUP
inverted: true
name: "Button"
disabled_by_default: true
on_multi_click:
- timing:
- ON for at least 4s
then:
- button.press: Reset
- platform: gpio
pin:
number: GPIO3
mode:
input: true
pullup: true
name: "Pir Sensor"
id: pir
filters:
- delayed_on: 50ms
- delayed_off: 10s
device_class: motion
switch:
- platform: ld2450
ld2450_id: ld2450_radar
bluetooth:
name: "Bluetooth"
multi_target:
name: "Multi Target Tracking"
text_sensor:
- platform: ld2450
ld2450_id: ld2450_radar
version:
name: "LD2450 Firmware"
mac_address:
name: "LD2450 BT MAC"
target_1:
direction:
name: "Target-1 Direction"
target_2:
direction:
name: "Target-2 Direction"
target_3:
direction:
name: "Target-3 Direction"
- platform: wifi_info
ip_address:
name: "IP Address"
entity_category: diagnostic
ssid:
name: "Connected SSID"
entity_category: diagnostic
mac_address:
name: "Mac Address"
entity_category: diagnostic
# Creates a sensor showing when the device was last restarted
- platform: template
name: 'Last Restart'
id: device_last_restart
icon: mdi:clock
entity_category: diagnostic
# device_class: timestamp
number:
- platform: ld2450
ld2450_id: ld2450_radar
presence_timeout:
name: "Timeout"
zone_1:
x1:
name: Zone-1 X1
y1:
name: Zone-1 Y1
x2:
name: Zone-1 X2
y2:
name: Zone-1 Y2
zone_2:
x1:
name: Zone-2 X1
y1:
name: Zone-2 Y1
x2:
name: Zone-2 X2
y2:
name: Zone-2 Y2
zone_3:
x1:
name: Zone-3 X1
y1:
name: Zone-3 Y1
x2:
name: Zone-3 X2
y2:
name: Zone-3 Y2
select:
- platform: ld2450
ld2450_id: ld2450_radar
baud_rate:
name: "Baud rate"
zone_type:
name: "Zone Type"
time:
- platform: sntp
id: sntp_time
# Define the timezone of the device
timezone: "${timezone}"
# Change sync interval from default 5min to 6 hours (or as set in substitutions)
update_interval: ${sntp_update_interval}
# Set specific sntp servers to use
servers:
- "${sntp_server_1}"
- "${sntp_server_2}"
- "${sntp_server_3}"
# Publish the time the device was last restarted
on_time_sync:
then:
# Update last restart time, but only once.
- if:
condition:
lambda: 'return id(device_last_restart).state == "";'
then:
- text_sensor.template.publish:
id: device_last_restart
state: !lambda 'return id(sntp_time).now().strftime("%a %d %b %Y - %I:%M:%S %p");'