Apollo MTR-1 mmWave Multi-Target Sensor | LD2450

Apollo MTR-1: Know not only if, but also where someone is

Take the next step in home automation with the Apollo MTR-1, an advanced multi-target radar multi-sensor. While traditional sensors only detect the presence of a person in the room, the MTR-1 goes much further. Thanks to its powerful LD2450 mmWave radar sensor, this device can track up to three people simultaneously and transmit their precise coordinates. Perfect for the home assistant enthusiast seeking unprecedented precision and control.

What's more, the MTR-1 is designed to be expandable. Start with this powerful foundation and add extra functionality later when you need it.

Complete it with an optional CO2 sensor

Improve your indoor air quality by upgrading the MTR-1 with the optional CO2 sensor (SCD-40) . This upgrade is designed for maximum convenience. Thanks to the clear instructions and pre-assembled connector, you can install the module yourself in no time, no soldering required. Once activated, you can automate your ventilation based on real-time CO2 measurements for a consistently healthy living environment.

Core functions of the MTR-1

• Multi-Target & Multi-Zone Radar : The LD2450 mmWave sensor is the brain of the MTR-1. It tracks multiple people and creates up to three configurable zones. So you know exactly whether someone is sitting on the couch, at the dining table, or in the kitchen.
• Packed with sensors : In addition to the radar, you get a complete package: a LUX and UV sensor (LTR-390) for smart light control and a temperature and pressure sensor (DPS310) for climate measurements.
• Perfect for Home Assistant : Fully local integration via ESPHome. All data, including people's coordinates, are instantly available in Home Assistant for complex and reliable automation.
• Customized feedback : Use the built-in RGB LED and piezo buzzer for visual or audible notifications. Set the LED to glow green on organic waste collection day, or have the buzzer beep when the front door opens.
• Easy setup : Plug in via USB-C, connect to your Wi-Fi hotspot, and add it to Home Assistant. It's that simple.

Practical application: the truly smart kitchen

Install the MTR-1 in your kitchen and define zones: "cooking island", "sink" and "refrigerator".

If the sensor detects someone in the "kitchen island" zone, the lighting above the island brightens. If someone stands in front of the induction cooktop for more than 30 seconds, the extractor fan will turn on at a low setting. If anyone leaves the kitchen, all the lights will automatically turn off. This is truly smart home automation.

Technical specifications

• Presence sensor : mmWave Radar (HLK-LD2450)
• Radar functions : Max. 3 targets, 3 configurable zones, coordinate tracking
• Built-in sensors : Temperature/pressure (DPS310), Light/UV (LTR-390)
• Connectivity : Wi-Fi, Bluetooth (ESP32-C3-Mini)
• Power : USB-C (5V)
• Notifications : RGB LED, Piezo Buzzer
• Dimensions : 49x32x15 mm
• Optional upgrade : Prepared for CO2 sensor ( SCD-40 ), not included.

Note: The CO2 sensor is an optional module that must be installed by the customer. The ESP32 generates heat, so the temperature measurement may require an offset for optimal accuracy.

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