The TWA board has been designed the same way as the TWP. It needs only 12 mm allowance in the back. Rafi RF15-314200 pushbuttons can be used as well in the pcb by removing the supplied leds and pushbuttons. In this case the needed allowance in the back is 13 mm. Rafi pushbuttons are not supplied.
It comes with (1) 16 I/O chip to be connected to the digital I/O I2C channel of the PSCockpit system and its elements (resistors, connectors, …) to work with 5V and one digital encoder (DIM).
It has 2 I/O free and six SMD leds for lettering backlight are also included.
You will find the following elements in the backside:
- (1) Connector for backlight illumination.
- (2) Connectors for digital I/O I2C channel.
- (1) Mini-switch to select digital I2C channel address
- (1) Connectors for 2 free digital I/Os of the 16 I/O chip.
To complete the TWA you must add by yourself the front panel, pushbuttons caps and some separator to avoid the light going to other buttons.
Please check the dimensions of the TWA front panel at:
http://www.mediafire.com/file/st8n944v68tl4gd/TWPandTWA-A3.pdf
Regards,
Shep
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