Differences

This shows you the differences between two versions of the page.

--- pcbgreycode [2019/01/17 16:09] – yair
+++ pcbgreycode [2019/02/16 01:21] – yair
@@ Line 1: / Line 1: @@
-a turntable embedded on a PCB
+a turntable embedded on a PCB, a silkscreen on a round PCB to encode the position using [[#gray_code]]
-[[https://github.com/idiot-io/turntablePCB|github]]
+{{:video-1547726867.mp4}} {{youtube>em2OpwheHMU?medium}} {{:20190208_151040.mp4|}} {{::turntablepcb-v4-zofzpcb.mp4|using www.zofzpcb.com on archLinux/wine}}
+{{:v1.3.jpg?400}} {{:50533102_325584924718706_62649425226366976_n.jpg?400}}
-{{:video-1547726867.mp4}} {{youtube>em2OpwheHMU?medium}}
+[[https://github.com/idiot-io/turntablePCB|github]] repository
-{{:v1.3.jpg?400}} {{:50533102_325584924718706_62649425226366976_n.jpg?400}}
+=== tools used ===
+[[https://inkscape.org|inkscape]]\\
+extensions
+     *[[https://github.com/badgeek/svg2shenzhen|svg2shenzhen]]
+     *[[https://github.com/Hyvok/Inkscape-rotary-encoder-disk-generator|rotary encoder generator]]
+[[https://kicad.org|kicad]]
+  *[[https://github.com/idiot-io/turntablePCB/blob/master/board/kicad_gerber_gen.py|python script example to create plot files to build a board]]
 ===Layout===
+{{:pasted:20190122-211551.png}}
-{{https://i.imgur.com/jlaOwRV.png|Honey bee counter II}}
-[[http://gunook.com/honigbienenzahler-ii|Honey bee counter II]]
-a few approaches on the hookup
+a few guides and approches
-  *https://cdn.sparkfun.com/datasheets/Sensors/Infrared/SparkFun%20Line%20Follower%20Array_v10.pdf
   *https://www.pololu.com/docs/0J13/2
-  *
+  *[[http://gunook.com/honigbienenzahler-ii|Honey bee counter II]]
-===Gray code===
+  *https://cdn.sparkfun.com/datasheets/Sensors/Infrared/SparkFun%20Line%20Follower%20Array_v10.pdf
-a silkscreen on the round PCB bottom to encode the position using [[http://en.wikipedia.org/wiki/Gray_code|gray code]], done in [[https://github.com/Hyvok/Inkscape-rotary-encoder-disk-generator|inkscape]]
-{{youtube>oc5hIxdCMZ0?medium}} {{youtube>IeWcvAsz88o?medium}}
+===Gray code===
+ [[http://en.wikipedia.org/wiki/Gray_code|wikipedia]]\\
+<blockquote>{{youtube>IeWcvAsz88o?medium}}
+<cite>"to get a gray number only change one bit"</cite>
+</blockquote>
-“to get a gray number only change one bit”
+<blockquote>{{:pasted:20190122-192340.png}}
+<cite>http://datagenetics.com/blog/november32014/</cite>
-{{https://d2mxuefqeaa7sj.cloudfront.net/s_C3F26DA1DE2735AB305F4004085FAFE353789C4AD8CC62A80295D78BF90BFD02_1531819410575_image.png|https://www.quora.com/What-is-the-difference-between-binary-numbers-and-Grays-code}}
+</blockquote>
+{{:greycode.png}} {{https://i.imgur.com/DbMB6Vvm.png}}
 ===components===
-  *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]]
+  *QRE1113 - [[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]]
-  *{{https://i.imgur.com/4fpaVVjl.png}}
+{{https://i.imgur.com/oE29h9I.png}} {{https://i.imgur.com/82dWTnM.png}} \\
-  *{{https://i.imgur.com/5jFBp8gl.png}}
+{{https://i.imgur.com/4fpaVVjl.png}} {{https://i.imgur.com/5jFBp8gl.png}}
 ====other methods====
+the following are for reference
+===LED as light Sensor===
+no word regarding detection speed
+  *[[https://wiki.analog.com/university/courses/electronics/electronics-lab-led-sensor|analog.com]]
+  *[[https://makezine.com/projects/make-36-boards/how-to-use-leds-to-detect-light/|makezine]]
 ===magnetic===
 [[http://www.ichaus.de/upload/pdf/WP6en_Magnetic_vs_optical_17092012.pdf|Magnetic_vs_optical]]
@@ Line 55: / Line 74: @@
   * [[http://www.4qdtec.com/stpen.html|stpen]]
-===misc pics===
-{{https://i.imgur.com/LRRg0W9.png}}
-{{https://i.imgur.com/KrapStk.png}}
-{{https://i.imgur.com/DbMB6Vvm.png}} >{{ :paul2016.pdf |pdf }}