optoelectronics
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| optoelectronics [2024/02/17 09:11] – mcmaster | optoelectronics [2025/08/04 21:23] (current) – external edit 127.0.0.1 | ||
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| ====== LED ====== | ====== LED ====== | ||
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| + | {{mcmaster: | ||
| [[mcmaster: | [[mcmaster: | ||
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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  | ||
| + | |         | btf-ws2812b  | ||
| + | |         | btf-ws2812b  | ||
| + | |         | btf-ws2812b  | ||
| + | |         | 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  | ||
| - | ^ Vendor  | ||
| - | |         | btf-ws2812b  | ||
| - | |         | btf-ws2812b  | ||
| - | |         | btf-ws2812b  | ||
| ===== Red LED ===== | ===== Red LED ===== | ||
| Line 38: | Line 91: | ||
| 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.1708161112.txt.gz · Last modified: 2024/02/17 09:11 by mcmaster
                
                