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	ISOLATION  | 
	ISOLATION  | 
	
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	+12V ISOLATED OUTPUT  | 
	
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	SPINDLE COMMON  | 
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	ISOLATED PROBE INPUT  | 
	SPINDLE_FWD  | 
	
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	SPINDLE FORWARD  | 
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	ISOLATED PROBE GND  | 
	
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	PROBE INPUT  | 
	SPINDLE_REV  | 
	
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	SPINDLE REVERSE  | 
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	VOUT REF SWITCH  | 
	
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	SPINDLE DRIVE  | 
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PROBE INPUT  | 
	
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	+10V REF IN  | 
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	GND  | 
	
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	SPEED OUT  | 
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	UNISOLATED PROBE  | 
	
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	0V REF  | 
	
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	SPINDLE SPEED  | 
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	POT +5V  | 
	
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POT ADJ  | 
	
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	COOLANT +  | 
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	POT GND  | 
	
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	COOLANT -  | 
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	COOLANT CONTROL  | 
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	POTENTIOMETER INPUT  | 
	FAN OUTPUT  | 
	
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	NOT CONNECTED  | 
	
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	FAN +12V  | 
	
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D-  | 
	
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	M  | 
	
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	FAN GND  | 
	
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	USB INTERFACE  | 
	
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	TOAD4  | 
	
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	Four Axis Stepper Motor Controller  | 
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	SpareTimeLabs  | 
	Kustaa Nyholm  | 
	REV 1  | 
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	Laklammenpolku 40  | 
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	02570 Siuntio  | 
	
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	Finland  | 
	
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V_REFSWITCH  | 
	
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TOAD4  | 
	
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Four Axis Stepper Motor Controller  | 
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SpareTimeLabs  | 
	Kustaa Nyholm  | 
	REV 1  | 
Laklammenpolku 40  | 
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02570 Siuntio  | 
||
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	Finland  | 
	
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	DIR_X  | 
	
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	DIR_Y  | 
	
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	REF_X  | 
	
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	DIR_Z  | 
	
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	REF_Y  | 
	
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	REF_Z  | 
	
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	D-  | 
	
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	REF_4  | 
	
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	TORQUE_X  | 
	
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	STEP_X  | 
	
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	TORQUE_Y  | 
	
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	STEP_Y  | 
	
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	TORQUE_Z  | 
	
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	STEP_Z  | 
	
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ICSP INTERFACE  | 
	
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	STEP_4  | 
	
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	ENABLE_X  | 
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	ENABLE_Y  | 
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	DIR_4  | 
	
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	ENABLE_Z  | 
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	TORQUE_4  | 
	
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	ENABLE_4  | 
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	SPINDLE_FWD  | 
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	SPINDLE_REV  | 
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	||
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	RESET  | 
	
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	TOAD4  | 
	
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	Four Axis Stepper Motor Controller  | 
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	SpareTimeLabs  | 
	Kustaa Nyholm  | 
	
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	REV 1  | 
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	Laklammenpolku 40  | 
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	02570 Siuntio  | 
	
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||
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	Finland  | 
	
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V_REFSWITCH  | 
	
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DIR_X  | 
	DIR_Y  | 
	DIR_Z  | 
	DIR_4  | 
	
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STEP_X  | 
	STEP_Y  | 
	STEP_Z  | 
	STEP_4  | 
	
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ENABLE_X  | 
	ENABLE_Y  | 
	ENABLE_Z  | 
	ENABLE_4  | 
	
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TORQUE_X  | 
	TORQUE_Y  | 
	TORQUE_Z  | 
	TORQUE_4  | 
	
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REF_X  | 
	REF_Y  | 
	REF_Z  | 
	REF_4  | 
	
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	TOAD4  | 
	
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	Four Axis Stepper Motor Controller  | 
||
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	SpareTimeLabs  | 
	Kustaa Nyholm  | 
	REV 1  | 
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	Laklammenpolku 40  | 
||
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	02570 Siuntio  | 
||
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	Finland  | 
	
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1A FAST  | 
	
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TOAD4  | 
	
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Four Axis Stepper Motor Controller  | 
||
SpareTimeLabs  | 
	Kustaa Nyholm  | 
	REV 1  | 
Laklammenpolku 40  | 
||
02570 Siuntio  | 
||
  | 
	Finland  | 
	
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1A FAST  | 
	
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TOAD4  | 
	
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Four Axis Stepper Motor Controller  | 
||
SpareTimeLabs  | 
	Kustaa Nyholm  | 
	REV 1  | 
Laklammenpolku 40  | 
||
02570 Siuntio  | 
||
  | 
	Finland  | 
	
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1A FAST  | 
	
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TOAD4  | 
	
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|
Four Axis Stepper Motor Controller  | 
||
SpareTimeLabs  | 
	Kustaa Nyholm  | 
	REV 1  | 
Laklammenpolku 40  | 
||
02570 Siuntio  | 
||
  | 
	Finland  | 
	
  | 
1A FAST  | 
	
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TOAD4  | 
	
  | 
|
Four Axis Stepper Motor Controller  | 
||
SpareTimeLabs  | 
	Kustaa Nyholm  | 
	REV 1  | 
Laklammenpolku 40  | 
||
02570 Siuntio  | 
||
  | 
	Finland  | 
	
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