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#define led 13
//encoder inputs, 5V signal
#define encXA 24
#define encXB 25
#define encYA 26
#define encYB 27
#define encZA 28
#define encZB 29
//unused ref switches:
#define refX 2 //EXT B,1
#define refY 5 //EXT B,3
#define refZ 8 //EXT B,5
//output to 24V, external circuit C
#define enableX 33 //EXT C,1
#define enableY 34 //EXT C,2
#define enableZ 35 //EXT C,3
//brake outputs
#define brakeX 14
#define brakeY 15
#define brakeZ 16
//da-wandler:
#define ltc_load 36
#define ltc_clk 37
#define ltc_data 38
#define mux_enable 39
#define mux_a0 30
#define mux_a1 31
#define mux_a2 32