Tag Archives: infrared

Decoding a Midea Air Conditioner Remote

Last month, I purchased a 6000 BTU Midea window air conditioner (branded Arctic King WWK+06CR5) and thought it would be convenient if I could control it remotely. Doing so would involve decoding the remote’s IR signals; for this, I used a … Continue reading

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West Hill Pond Near-Infrared Timelapse

Over the summer, I shot a timelapse of West Hill Pond in near-infrared using my modified Canon PowerShot SD400 and CHDK. The background music is from the Open Goldberg Variations. Enjoy! Also on Vimeo.

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Canon PowerShot SD400 Infrared Cut-off Filter Removal

Silicon, in the form of a digital camera image sensor, is sensitive to near-infrared light. However, digital cameras use a cut-off filter to block these wavelengths. Removing this filter makes the camera sensitive to near-infrared, and replacing it with a … Continue reading

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