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LD2410 Millimeter Wave Human Presence Sensor

LD2410 Millimeter Wave Human Presence Sensor

Best price now

$11.99at AmazonChecked 1 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Best price today: $11.99 at Amazon (checked Nov 14, 2026).
  • Checked at 2 stores.

Our take on the LD2410 Millimeter Wave Human Presence Sensor

The LD2410 is a small 24 GHz millimeter-wave radar module that senses human presence, including people who are sitting still, which PIR sensors often miss. It reports target distance and moving versus stationary state over a serial UART, and the pin header makes it easy to wire into a breadboard or a microcontroller project. It suits DIY home automation, lighting control and simple security builds. Compared with PIR sensors it detects stationary people better, but it needs configuration through a serial tool and is not a finished plug-and-play device.

Best forDIY home automation and presence-triggered lightingMakers using ESP32, Arduino or Raspberry PiSecurity and occupancy sensing projectsReplacing PIR where still people must be detected
Pros
  • Detects stationary people, not just motion
  • Reports distance and moving/stationary state over UART
  • Pin header for easy breadboard and jumper wiring
  • Compact and non-contact
  • Works through some non-metallic covers
Cons
  • Needs serial configuration to tune sensitivity and gates
  • Not plug-and-play; requires a microcontroller and code
  • 2.4 GHz radar can be affected by nearby metal and mounting
  • Documentation and tooling are aimed at makers, not beginners

LD2410 Millimeter Wave Human Presence Sensor prices at every store

  • eBayNew

    In stockSold by xhfuda_0418

    $8.15+ $8.20 shippingChecked 1 h ago
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $11.99Checked 1 h ago
    Visit Amazon
  • VXB.com BearingsNew

    Availability unknown

    $49.95Checked Oct 31
    Visit VXB.com Bearings

Store links may earn us a commission.

LD2410 Millimeter Wave Human Presence Sensor price history

$49.95$8.15
Oct 31Nov 14

Lowest price we've seen: $8.15 on Nov 14 at eBay; highest $49.95 on Oct 31. Tracked across 3 stores since Oct 31.

From VXB.com Bearings

  • LD2410 millimeter-wave presence sensor module
  • Pin header interface for easy DIY installation
  • High sensitivity for reliable human presence detection
  • Compact module suitable for small-scale projects
  • Non-contact human presence detection using millimeter-wave tech
  • Reliable motion sensing for automation and security projects
Returns
Free, easy and hassle-free returns on every order.
Shipping
Orders currently take 5-10 business days to process before shipping.

About the LD2410 Millimeter Wave Human Presence Sensor

The LD2410 is a millimeter-wave presence sensor module. It detects human presence without contact, using millimeter-wave sensing.

It is a compact module made for small DIY electronics projects. A pin header interface is used for wiring and setup.

It can be used for motion sensing in automation and security projects.

Type
Millimeter-wave human presence sensor module
Sensing
Non-contact human presence detection
Interface
Pin header
Use
DIY electronics, automation and security projects

Questions and answers

How is the LD2410 different from a PIR sensor?
It uses 24 GHz radar to detect presence, including people who are still, while PIR sensors react to motion and often drop a person who stops moving. The LD2410 also reports distance and moving versus stationary state.
What do I need to use it?
A 5V supply and a microcontroller with a UART, such as an ESP32 or Arduino. You configure sensitivity and detection gates with the vendor's serial tool over that same UART.
Does it work through walls or enclosures?
Radar passes through plastic and similar non-metallic covers, so it can sit behind a case. Metal blocks it, and nearby metal or wiring can distort detection, so keep the module clear of metal.
What is in the box?
The sensor module with a pin header. A USB serial adapter and jumper wires for configuration are not included and must be supplied separately.
Can it tell how far away a person is?
Yes. It reports target distance and can be set to trigger only within a chosen range using its distance gates.
Where is the LD2410 Millimeter Wave Human Presence Sensor cheapest?
At Amazon, for $11.99, as of our latest check.
Where can I buy the LD2410 Millimeter Wave Human Presence Sensor?
2 stores we checked sell it, including Amazon, eBay.

Stores we've priced the LD2410 Millimeter Wave Human Presence Sensor at

  • VXB.com Bearings deals and prices

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