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--- simchair4:guide_collective_head_b412 [2019/11/11 15:18]
hc625ma
+++ simchair4:guide_collective_head_b412 [2019/12/07 23:53] (current)
hc625ma old revision restored (2019/09/20 22:09)
@@ Line 83: / Line 83: @@
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--7 Connect switches to the Pro Mini board as shown below:
-{{:simchair4:412_head_connections.png?direct&400|}}
+. Cut a 16-wire cable off the ribbon cable. Position the head cover so the little red button will be on the bottom. Turn the cover and start soldering wires, 1st wire to the upper contact point of the 1st switch from the right, 2nd wire to its lower contact point, 3rd wire to the upper contact point of the next switch to the left in the same row, and so on until everything will be connected. Switches flipping sideways should be soldered starting from their rightmost contact point.  The last wire goes to ground. When finished, secure everything in place with hot glue. Please consult with the picture below.
+\\ {{http://hc625ma.org/wp-content/uploads/2018/12/IMG_20181207_183012.jpg?300}}
+----
+. Now it’s time to solder another end of the 16-wire cable to an Arduino pro mini (solder a UART header to it first). Start from pin0,(top-right switch upper contact pad should go there) and solder all wires one by one. Remove the led, connected to pin 13 (you can find it next to pin 9). The 11th wire goes to pin 10. The 15th wire will go into A0 pin, that’s ok. The 16th wire goes to a GND pin.
+\\ {{http://hc625ma.org/wp-content/uploads/2018/12/IMG_20181207_201450-e1544217656517.jpg?300}}
 ----

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