I am still looking for a large glass lens, but if I have to make a compromise (plastic button in correct size vs. The code ensures that the sound clips are not played more frequent than once every 4-6 minutes, to avoid that this gets annoying. Whenever the PIR senses motion, the LED becomes brighter (for 2-3 seconds), and the Arduino plays one of HAL's sound clips through the DFPlayer mini module. The 0.5W LED can be very bright, so in standard operation it is dimmed to a lower brightness. I added a PIR motion sensor, which triggers the LED. Then I made a holder for a red 0.5W 8mm straw hat LED with a clear case. Then I made a disk from black cardboard, with a 5mm aperture, and I glued a flat clear marble over the hole. The base is spray painted in "metallic aluminum". I think that this looks more like the real prop. Instead of the red button, I used the clear button - with a red LED. So, I based my HAL lens on the 100mm Adafruit arcade button, however, with a few details added to what they suggest on the Adafruit page. I had been looking for a large glass lens for some time, but could not find one that was large enough. And cutting a hole in the wall is not an option!!! One problem, as I see it, with some of the camera lens options is that the lens protrudes from the back. Since it is recessed, there is room for additional lens elements without needing (maybe) to go deeper into the prop. I'm not sure if I'll use all the components and are included here FYI.īelow is the reflector, still in blue plastic. Search eBay for "70mm Lens + 79mm Reflector Collimator" or similar.As I recall, there were other sizes that was a few mm +/- and may be more screen accurate in dimensions. The LED lens as received is a four piece assembly (Glass lens, reflector (blue in images from protective plastic), mounting ring and retaining ring). This builds on the phenomenal work here: Īlso credit due here: He uses clear plastic ornament bulbs cut to size. this need not be used only for a HAL/SAL 9000. If you want 100%, have at it.Įveryone, feel free to add the conversation herein and build on the design. For me, it doesn't need to be 100% perfect as long as it catches the essence. My personal goal it to create a very good imitation. Hopefully someone here can help with that. I wanted the lens to be glass and preferrably, when complete, imitated the lens elements as well as the multi-coated coloring of a real lens. In doing so, I came across LED projector lens (used in cars and projectors I believe). Given that the original lens is very expensive and that alternatives come and go, I decided to see what I could find that allowed creating a good looking, inexpensive lens (eye) from components. The original HAL 9000 eye was a Nikkor fish-eye lens and in my world, a fish-eye lens is characterized by the "bulbous" protrusion. The HAL 9000's most defining visual characteristic is the eye.
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