SparkFun Qwiic Low Power PIR Sensor Module, 1µA Standby
Ultra-low power 1µA PIR motion sensor with Qwiic connectivity. Ideal for battery-powered IoT and smart home projects.
The SparkFun Qwiic Low Power PIR Sensor Module is a passive infrared motion detection solution, featuring an ultra-low 1µA standby current draw that makes it perfect for battery-powered IoT projects. This compact module combines Panasonic's high-performance EKM-series PIR sensor with an ATtiny84 microcontroller and SparkFun's convenient Qwiic connector system for plug-and-play prototyping.
Key features include digital output across 32 detection zones, a 5-metre sensing range, and a wide 90°×90° (±45°) detection area. The module's clever design includes dual Qwiic connectors for easy daisy-chaining in I²C networks, while maintaining a minimal footprint with its small 10.9×10.4mm lens dimensions.
Technical Highlights
- Energy Efficient: Consumes just 1µA in standby mode for extended battery life
- Flexible Configuration: Programmable ATtiny84 MCU with accessible programming header
- Plug-and-Play: Qwiic connector system eliminates soldering for quick prototyping
- Customisable Addressing: Selectable I²C addresses (0x12 default, 0x13 alternate via solder jumper)
- Precision Detection: Panasonic EKM-series sensor with 32-zone digital output
Whether you're building smart home devices, security systems, or automated lighting controls, this sensor module provides reliable motion detection with minimal power overhead.
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- Battery-powered IoT devices
- Smart home automation
- Security systems
- Presence detection applications
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- Sensor Type: Panasonic EKM-series PIR
- Microcontroller: ATtiny84
- Interface: I²C via Qwiic connectors
- Standby Current: 1µA
- Detection Range: 5 metres
- Detection Angle: 90°×90° (±45°)
- Lens Dimensions: 10.9×10.4mm (H×Dia)
- Programmable: 2×3 header for reprogramming
- Default I²C Address: 0x12
- Alternate I²C Address: 0x13 (solder selectable)
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