This is an emergency shutdown system I built for the server room at work, which had an unreliable air conditioner.
The device is fully autonomous, capable of recording settings into EEPROM memory and outputting coded data to a PC tasked with overseeing data collection and administering solutions.
Parts list:
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1x Arduino Duemilenove or UNO microcontroller board
1x Protoshield prototyping board
1x LM35 - linear temperature sensor
1x HEF4511 - BCD to 7-segment decoder
2x 7-segment common cathode displays
7x 1k Ohm resistors (current limiting for the numeric displays)
4x 100k Ohm resistors (pulldowns for the HEF4511 data lines)
3x 470 Ohm resistors (current limiting for the status LED's)
2x 10k Ohm resistors (current limiting for the input buttons)
1x 150k Ohm resistor (timing capacitor discharge)
3x Mini LED's (green, yellow, red)
1x 10uF capacitor (2 second bootup delay for the HEF4511)
2x pushbuttons
1x Plastic enclosure
Firmware: http://www.enilenis.com/scripts/arduino/thermostatFirmware_06.pde
Python script: http://www.enilenis.com/scripts/python/thermostat
Config file: http://www.enilenis.com/scripts/txt/config.txt
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https://www.youtube.com/watch?v=bX-NBvnAQqo
Light-emitting liquid simulated with Maya's nParticles and rendered in Mental Ray.
There are 2 sets of particles. The first group travels along a rectangular plane, driven by animated goal offsets and emitting trails. The trails are nParticles rendered as Blobby Surfaces. Particle color values are animated through a sine of age function and piped into shader incandescence via particleSamplerInfo node.
Refraction and caustics are enabled, but since Blobby Surfaces aren't rendered as polygonal geometry, they do not ray-trace photons well. Instead they give the liquid a unique-looking edge glow.
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https://www.youtube.com/watch?v=cVBUABz5OSo
Video Source: FTL (A film, by Adam Stern)
Song and Lyrics: Generated with Suno AI
Original Short: https://www.youtube.com/watch?v=t8LD0iUYv80
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https://www.youtube.com/watch?v=uR3uwqYY-XM