SparkFun Human Presence Sensor Breakout - AK9753 (Qwiic) - 4-Channel Nondispersive Infrared Detector Tell which Direction a Person is Moving 16-bit Digital Value Four sensors Voltage 1.7V to 3.3V PIR
SparkFun Human Presence Sensor Breakout - AK9753 (Qwiic) - 4-Channel Nondispersive Infrared Detector Tell which Direction a Person is Moving 16-bit Digital Value Four sensors Voltage 1.7V to 3.3V PIR
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About This
- The SparkFun AK9753 Human Presence Sensor Breakout is a Qwiic-enabled, 4-channel Nondispersive Infrared (NDIR) sensor.
- Each channel has a different field of view, so not only can the AK9753 detect a human, but it can also tell which direction the person is moving.
- All communication is enacted exclusively via I2C, utilizing our handy Qwiic system (no soldering required). However, we still have broken out 0.1" spaced pins in case you prefer to use a breadboard.
- The onboard AK9753 is a digital sensor giving you a 16-bit digital value over I2C. Each of the four sensors outputs the IR current in pico-amps.
- Operates at 1.7V to 3.3V. Pulls extremely low current: 100µA. Online hookup guide available.
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Yes — many modern devices support multiple platforms.
Matter-certified devices can work across Alexa, Google Home, and Apple HomeKit at the same time.
Not always.
Smart bulbs, plugs, cameras, and video doorbells are often easy DIY installations, while full security systems may need professional setup.
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Use strong passwords, trusted brands, firmware updates, and secure Wi-Fi for better protection. Privacy and unauthorized access are common concerns in smart homes.
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