M5Stack TMOS PIR Unit

The M5Stack TMOS PIR Unit is a highly sensitive infrared sensor for presence and movement detection. With the integrated STHS34PF80 chip, this sensor effectively detects people and their movements by reacting to changes in ambient temperature. Thanks to its I2C communication interface (address: 0x5A), it can be easily integrated into various M5Stack devices. The sensor reliably distinguishes between static and moving objects and has a detection field of 80 degrees, ensuring wide coverage. Additionally, it offers adjustable sampling frequencies and various gain modes to suit different applications. This compact device is ideal for smart lighting systems, alarm systems, and occupancy detection.

Features:

• Highly sensitive infrared detection: Reliably detects movements and presence based on infrared radiation.
• Wide detection field: With a detection angle of 80 degrees, the sensor offers wide coverage.
• Presence and movement detection: Distinguishes between moving and stationary objects.
• Easy communication: Works with I2C interface and supports programmable output rates.
• Flexible settings: Offers adjustable sampling rates and gain modes to cover different use scenarios.

Application examples:

• Alarm systems: The sensor can be integrated into security systems to detect unauthorized movements.
• Smart lighting: Activates lighting as soon as movement is detected in the room.
• Room monitoring: Monitors the presence of people in rooms to save energy.
• Furniture automation: Triggers actions when people approach furniture.
• IoT projects: Ideal for applications in the Internet of Things for control and monitoring.

Documentation: 

• M5Stack Wiki
• Official M5Stack Forum

Technical data:

• Manufacturer: M5Stack 
• Manufacturer SKU: U185
• Sensor: STHS34PF80
• Communication address: I2C (0x5A)
• Detection range: Over 2 meters
• Minimum size for detection: 70 x 25 cm²
• Detection angle: 80 degrees
• Programmable output rate: 0.25 Hz to 30 Hz
• Infrared wavelength: 5 to 20µm
• Infrared sensitivity: 2000 LSB/°C
• Sensor accuracy: ±0.3°C
• Dimension: 32 x 24 x 8 mm
• Weight: 10 g

Scope of delivery:

• 1x M5Stack TMOS PIR Unit
• 1x HY2.0-4P Grove Cable 20 cm