optoelectronics
Differences
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| optoelectronics [2024/02/17 09:13] – mcmaster | optoelectronics [2025/03/18 01:57] (current) – mcmaster | ||
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| ====== LED ====== | ====== LED ====== | ||
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| https:// | https:// | ||
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| + | https:// | ||
| https:// | https:// | ||
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| + | https:// | ||
| Open questions: | Open questions: | ||
| - Why do red LEDs look so different than green / blue? | - Why do red LEDs look so different than green / blue? | ||
| + | - DONE, see below | ||
| - Size comparison in various modules? | - Size comparison in various modules? | ||
| + | - WIP below | ||
| - Wire bonding unusual? Doesn' | - Wire bonding unusual? Doesn' | ||
| + | - Its standard ball bonding, except the ball is on the controller. Wedge was terminated on the LED instead of the package | ||
| + | - What is the hexfet like pattern? | ||
| + | |||
| ^ Vendor | ^ Vendor | ||
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| | | btf-ws2812b | | | btf-ws2812b | ||
| | | lampwin-led-12v | | | lampwin-led-12v | ||
| + | | | apa102c | ||
| + | |||
| + | "Red is usually some kind of GaAs and so a vertical structure. Green and blue are GaN and so more lateral. Ok, not really lateral but the substrate is not conducting..." | ||
| + | |||
| + | FastLED (and other) LEDs to consider: | ||
| + | ^ LED ^ Coverage/\\ Pages ^ Interface | ||
| + | | APA102-2020 | ||
| + | | APA102C | ||
| + | | APA104 | ||
| + | | APA106 | ||
| + | | GS1903 | ||
| + | | GE8822 | ||
| + | | GW6205 | ||
| + | | LPD1886 | ||
| + | | LPD6803 | ||
| + | | LPD8806 | ||
| + | | PL9823 | ||
| + | | P9813 | | | | | ||
| + | | SK6812B | ||
| + | | SK6822 | ||
| + | | SK9822 | ||
| + | | SM16703 | ||
| + | | SM16716 | ||
| + | | TM1803 | ||
| + | | TM1804 | ||
| + | | TM1809 | ||
| + | | TM1812 | ||
| + | | TM1829 | ||
| + | | UCS1903 | ||
| + | | UCS1903B | ||
| + | | UCS1904 | ||
| + | | UCS2903 | ||
| + | | WS2801 | ||
| + | | WS2803 | ||
| + | | WS2811 | ||
| + | | WS2812 | ||
| + | | WS2812B | ||
| + | | WS2813 | ||
| + | | WS2852 | ||
| + | |||
| ===== Red LED ===== | ===== Red LED ===== | ||
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| Notes: | Notes: | ||
| - | - Coverslip (with oil, not water) made images much better for packaged LEDs with rough surface | + | - Coverslip (with oil, not water) made images much better for packaged LEDs with rough surface |
| - | - Infrared produced better images than optical for milky fill | + | - Infrared produced better images than optical for milky fill (see [[mcmaster: |
| + | |||
| + | |||
| + | ===== Camera ===== | ||
| + | https:// | ||
optoelectronics.1708161220.txt.gz · Last modified: 2024/02/17 09:13 by mcmaster