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5dc25d631712c007168a9345 Qwiic IR Breakout https://cdn1.storehippo.com/s/59c9e4669bd3e7c70c5f5e6c/ms.products/5dc25d631712c007168a9345/images/5dc25d631712c007168a9346/5dc25d1c40f1426b426ac039/webp/5dc25d1c40f1426b426ac039.jpg

Description

Have you ever needed to monitor your yogurt in the community fridge because there’s a yogurt thief loose at work? Or have you ever needed the lights to flick on when walking in a room because your hands were full of groceries? The Qwiic IR breakout is the solution to all your people-detecting needs.

This board utilizes Kemet Corporation’s lensless passive infrared sensor, PL-N823. It uses the pyroelectric effect of ceramic by absorbing infrared rays emitted from the human body. This sensor has a 60 degree viewing angle, low power consumption, and low profile which makes it ideal for gathering visual requirements.

Though this is a lensless infrared sensor, placing the sensor behind a material like glass, acrylic, or polyethylene may amplify the distance at which it can detect. The detecting distance varies by what material is used, but the PL-N823 can detect up to 2 meters.

We’ve written some example code using the ADS1015 library. The qwiic IR breakout board includes an ADC which quantifies the amplified source voltage of the IR sensor. There’s also a rudimentary peak detection example that could notify the user when someone waves their hand across the sensor.

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Description of product

Description

Have you ever needed to monitor your yogurt in the community fridge because there’s a yogurt thief loose at work? Or have you ever needed the lights to flick on when walking in a room because your hands were full of groceries? The Qwiic IR breakout is the solution to all your people-detecting needs.

This board utilizes Kemet Corporation’s lensless passive infrared sensor, PL-N823. It uses the pyroelectric effect of ceramic by absorbing infrared rays emitted from the human body. This sensor has a 60 degree viewing angle, low power consumption, and low profile which makes it ideal for gathering visual requirements.

Though this is a lensless infrared sensor, placing the sensor behind a material like glass, acrylic, or polyethylene may amplify the distance at which it can detect. The detecting distance varies by what material is used, but the PL-N823 can detect up to 2 meters.

We’ve written some example code using the ADS1015 library. The qwiic IR breakout board includes an ADC which quantifies the amplified source voltage of the IR sensor. There’s also a rudimentary peak detection example that could notify the user when someone waves their hand across the sensor.