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  • Author Author: kellyhensen
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Episode 536: Interactive Light-Up Window with Pose Detection using a Raspberry Pi and Micro:bit


Snow and really wet weather ruined Lorraine’s capacitive touch buttons on her last element14 video. This time she was determined to find multiple weatherproof solutions to allow her neighbors to control RGB lights in her sitting-room window. Lorraine built a motion distance sensor using a time of flight sensor and a micro:bit. The neighbors can now control the color of the lights by moving their hands back and forward in front of the sensor. Then, using a Raspberry Pi and an infrared camera, Lorraine tracked whole body movement using pose detection. Raising the right hand changes the lights to red, raising the left hand changes to lights to blue.

What other moves or actions would you add?

 

Supplemental Content:

Bill of Material:

Product Name Manufacturer Quantity Buy Kit
RASPBERRY PI 4 Raspberry Pi 1 Buy Now
Raspberry Pi Power Supply, USB C Raspberry Pi 1 Buy Now
SD Card TRANSCEND 1 Buy Now
Premium Female/Female Jumper Wires, 40 x 6" Adafruit 1 Buy Now
Raspberry Pi NOIR camera Raspberry Pi 1 Buy Now
VL53L0X time of flight sensor DFROBOT 1 Buy Now

Additional Parts:

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Infrared lights 

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  •   Nice project upgrade.  One of the things that I liked about the VL53 was that it even reflected off of water.  My guess is that every lens will have an impact.

    You might consider going lower tech with it.  Use the lens ring from the broken NoIR camera to mount the VL53.  Mount the lens ring in the knockout opening and let the VL53 have a clear shot at the world.  Maybe add an awning over the knockout opening so the rain would have to fall almost sideways to hit the sensor.

    During Build Inside The Box, I also learned that ambient light dramatically affected the perceived range.  This leads me to the recommendation of "Leave it as is".

    It is to be played with.  One meter or one centimeter isn't the important thing.  Changing lights is.  00-32=one color.  33-66=second color.  67-99=third color.  Only look at the last two digits.  Lather. Rinse. Repeat.

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  •   Nice project upgrade.  One of the things that I liked about the VL53 was that it even reflected off of water.  My guess is that every lens will have an impact.

    You might consider going lower tech with it.  Use the lens ring from the broken NoIR camera to mount the VL53.  Mount the lens ring in the knockout opening and let the VL53 have a clear shot at the world.  Maybe add an awning over the knockout opening so the rain would have to fall almost sideways to hit the sensor.

    During Build Inside The Box, I also learned that ambient light dramatically affected the perceived range.  This leads me to the recommendation of "Leave it as is".

    It is to be played with.  One meter or one centimeter isn't the important thing.  Changing lights is.  00-32=one color.  33-66=second color.  67-99=third color.  Only look at the last two digits.  Lather. Rinse. Repeat.

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