Add README.md

README.md

@@ -5,30 +5,36 @@
 ### Pins
 
 #### IO
-io_0 - display
-io_1 - y endstop
-io_2 - x endstop
-io_7 - bltouch
+Used IO pin headers
+* io_0 - display
+* io_1 - y endstop
+* io_2 - x endstop
+* io_7 - bltouch
 
 #### Stepper motors
-z left - driver0 - motion backwards (looking from the back of the printer)
-z rear - driver1 - motion backwards
-z right - driver2 - motion backwards
-right motor - driver3 - Y - motion forwards (looking from the back of the printer)
-left motor - driver4 - X  - motion forwards 
-extruder motor - driver5  - motion forwards
+All steppers are 0.9º
 
-#### Outputs (24V)
-##### Heating elements
-out1 - SSR Bed
-out2 - Hotend
-##### Fans
-out7 - hotend fan
-out4 - layer fan
+* z left - driver0 - motion backwards (looking from the back of the printer)
+* z rear - driver1 - motion backwards
+* z right - driver2 - motion backwards
+* top right motor - driver3 - Y - motion forwards (looking from the back of the printer)
+* top left motor - driver4 - X  - motion forwards 
+* extruder motor - driver5  - motion forwards
+
+#### Outputs
+##### Heating elements (24v)
+Heating elements in use:
+* out1 - SSR Bed
+* out2 - Hotend
+##### Fans (24v)
+Fans in use:
+* out7 - hotend fan
+* out4 - layer fan
 
 #### Temperature probes
-temp0 - Bed thermistor
-temp1 - Hotend thermistor
+Thermal probes in use:
+* temp0 - Bed thermistor
+* temp1 - Hotend thermistor
 
 ## Useful links
 * [GCode library](https://duet3d.dozuki.com/Wiki/Gcode)