737 Dual Colour Korry
This page is split into three main sections:
Parts Guide
Print Guide
Build Guide
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Introducing the latest version of DIY dual colour Korry's, which can now be 3D printed. The outer case is designed to accommodate the custom PCB, with four back connections that can support wires or two sets of dual header pins. Each Korry has two distinct sections for upper and lower text illumination, making it compact and perfect for any simulation requiring a dedicated Korry.
General Information:
Build Guide
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STEP:
2
Install the 2 Korrys into the PCB, Ensure you have the correct colour located in each section and that both cathode legs of the two LED's are inserted into the Middle Hole of the PCB.
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STEP:
3
At this point, you can connect the wires to the PCB, or you can use 4 header pins in sets of 2.
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STEP:
4
Insert the centre case into the outer case. Ensure the centre case upper alignment dot is top left. The outer case with text on is up side.
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STEP:
5
Push the centre case all the way into the outer case.
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STEP:
6
At an angle of 45 degrees, feed the LED tactile switch tangs into the centre case and push the parts firmly togther.
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STEP:
7
Install two M2 x 4mm screws in opposite corners. The other two holes are a further option for backshell mounting.
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STEP:
8
Install the caption lens into the front. Press into the centre case by pushing the switch from the back on a table top. This will ensure the lens sit flush with the centre case rim.
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STEP:
9
For dual 5v control by Arduino, wire the PCB as shown. Please remember that different-colour LEDs require different resistor values! For resistor values at 5v according to LED colour, please visit here: https://www.737diysim.com/copy-of-wiring-a-switch-to-arduino
Click the link for PDF Wiring Diagram download
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STEP:
10
This wiring diagram refers to multiple connections of the MCP Korrys. All the upper white LEDs are connected to 12V via a PWM dimmer and external power supply. The Arduino powers the lower action caption LED in green. Please note that LED colour and Voltage are essential when selecting your resistor value. Please use an online led resistor calculator if in doubt!
Click the link for PDF Wiring Diagram download