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EC Buying LD2410C Sensor Module
LD2410 Human Presence Radar Sensor Module
Product characteristics
Frequency: 24GHz~24.25GHz
Modulation mode: FMCW
Detection distance: 0.75m~6m adjustable
Detection angle: ± 60°
Power supply: 5V
Current: 79mA
Output serial port level: 3.3V
Sweep bandwidth: 250MHz
Range resolution 0.75m
Ambient temperature: - 40℃~+85℃
Data format: serial port ASCII output/high and low level 3.3V&0V
Module size: 16mmx22mm, with 5 pin holes reserved for hardware (factory default pin)
The hole diameter of pin hole is 0.9mm, and the distance between bow and foot is 2.54mm
Interface type
RX, serial port receiving
TX, serial transmission
OUT, inductive output high level
GND, power ground
VCC, power supply input (5V voltage)
brandon
2025-09-03 17:31:39
Works great as movement detection for my light sensors.
Algis Neblett
2025-07-13 13:42:53
It's incredible how reachable some technologies become with the time.I am using it along an esp8266 wemos mini so it add presence capabilities to my home assistant setup.I created 2 automations, one to turn the living room lights on when I enter to my home, and other to turn them off later in case the dogs trigger it by accident.Planning on adding another to tell me if somebody enters the home while I am not on site, it's almost a custom alarm system for just a few dollars.Anyone who uses home assistant should give it a try.
jkosharek
2025-06-26 18:43:45
Quality Modules, I purchased a bunch of these to make my own motion sensors with an ESP32 with ESPHome in Home Assistant. I like the sensor output and setting/controls they provide. Pretty amazing on the still and motion energy they can read and provide data on. Been rock solid.
Rafael Planas Rivarola
2025-05-26 11:34:57
Cumple con las especificaciones para sistemas de detección de presencia humana y animal, configurable y bastante pequeño
restlessrunner
2025-04-16 16:45:03
Arrived with the latest v2.04 firmware. Worked immediately with just 5V applied and using the Android app w/ BLE - instant satisfaction! Also works as expected over the UART link (I used a ESP32S3).
Hermann
2025-03-15 18:38:18
Set this up with a XIAO ESP32C3 and it worked right away. The pins are even compatible. They can be soldered on top of each other.
Brian
2025-02-05 17:25:06
This an excellent 24GHz mmwave sensor. There are better ones, but they are more expensive. This one fits right in value sweet spot. Because of this, there are many helpful tutorials for using it, whether in ESPHome or just writing code in the Arduino IDE. It's a great sensor to get started with.
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