Changes

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The 2in1 module kit is composed of:
 
The 2in1 module kit is composed of:
   −
  * 1 x 2in1 PCB
+
  + 1 x 2in1 PCB
  * 1 x opto-coupler 6N138
+
  + 1 x opto-coupler 6N138
  * 1 x dioode 1N4148 (D1)
+
  + 1 x dioode 1N4148 (D1)
  * 1 x resistor 1K (R1)
+
  + 1 x resistor 1K (R1)
  * 1 x resistor 10K (R2)
+
  + 1 x resistor 10K (R2)
  * 1 x resistor 220 (R3)
+
  + 1 x resistor 220 (R3)
  * 1 x MCP23008
+
  + 1 x MCP23008
  * 2 x ceramic capacitor 100nF (C1, C2)
+
  + 2 x ceramic capacitor 100nF (C1, C2)
  * 1 x 8-row-pin male connector (angle)
+
  + 1 x 8-row-pin male connector (angle)
  * 1 x 6-row-pin male connector
+
  + 1 x 6-row-pin male connector
  * 1 x 2-row-pin male connector
+
  + 1 x 2-row-pin male connector
    
[[File:2in1_kit.jpg|600px]]
 
[[File:2in1_kit.jpg|600px]]
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These are the steps for building the 2in1 module:
 
These are the steps for building the 2in1 module:
   −
  1. Place all the components in the upside of the PCB (the labeled side!). Put attention to the orientation of the ICs and the diode.
+
  1. Place all the components in the upside of the PCB (the labeled side!). Put attention to the orientation of the ICs and diode.
 
  2. Solder the encoder and capacitor carefully. Always avoid overheating!
 
  2. Solder the encoder and capacitor carefully. Always avoid overheating!