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pcbgreycode [2019/01/17 15:38] – yair | pcbgreycode [2019/06/01 11:56] (current) – yair | ||
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- | ===8 BIT turntable=== | + | a turntable |
+ | {{: | ||
+ | {{: | ||
- | a turntable embedded on a PCB | + | [[https:// |
- | [[https:// | ||
- | {{: | + | === tools used === |
- | {{:v1.3.jpg?400}} {{:50533102_325584924718706_62649425226366976_n.jpg?400}} | + | [[https://inkscape.org|inkscape]]\\ |
+ | extensions | ||
+ | | ||
+ | | ||
+ | [[https:// | ||
+ | *[[https:// | ||
- | ====Layout==== | + | ===Layout=== |
+ | [[https:// | ||
+ | {{: | ||
- | {{https://i.imgur.com/jlaOwRV.png|Honey bee counter II}} | + | [[https://www.pololu.com/docs/ |
+ | {{: | ||
- | [[http:// | ||
- | ===Gray code=== | + | a few guides and approaches |
- | a silkscreen on the round PCB bottom to encode the position using [[http://en.wikipedia.org/wiki/ | + | *[[http://gunook.com/honigbienenzahler-ii|Honey bee counter II]] |
+ | *https://cdn.sparkfun.com/datasheets/Sensors/ | ||
- | {{youtube> | ||
+ | ===Gray code=== | ||
+ | | ||
- | “to get a gray number only change one bit” | + | < |
+ | < | ||
+ | </ | ||
- | {{https:// | + | < |
+ | < | ||
+ | </ | ||
- | {{https:// | + | {{: |
+ | ===components=== | ||
+ | *QRE1113 - [[http:// | ||
+ | {{https:// | ||
+ | {{https:// | ||
- | ===components=== | + | ====other methods==== |
- | *QRE111 - [[http://www.onsemi.com/pub/Collateral/QRE1113-D.PDF|datasheet]], [[https://www.aliexpress.com/item/50pcs-lot-QRE1113GR-QRE1113-QRE1113G-SMD4-Original-authentic-and-new-in-stock-Free-Shipping-IC/32841727674.html|aliExp]] | + | the following are for reference |
- | *{{https:// | + | ===LED as light Sensor=== |
- | *{{https:// | + | no word regarding detection speed |
+ | *[[https://wiki.analog.com/university/courses/electronics/ | ||
+ | *[[https://makezine.com/projects/make-36-boards/how-to-use-leds-to-detect-light/|makezine]] | ||
- | a few approaches on the hookup | + | ===magnetic=== |
- | | + | [[http://www.ichaus.de/upload/pdf/WP6en_Magnetic_vs_optical_17092012.pdf|Magnetic_vs_optical]] |
- | *https:// | + | |
===DC motor=== | ===DC motor=== | ||
- | |||
simply connecting a dc motor to the spinning disk\\ | simply connecting a dc motor to the spinning disk\\ | ||
by rotating the disk you convert the energy to analog input for MCU or whatever\\ | by rotating the disk you convert the energy to analog input for MCU or whatever\\ | ||
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- | ===misc pics=== | ||
- | {{https:// | ||