Merge pull request #17 from ArmyAg08/master

Add pinout diagrams to firmware readme

Firmware/readme.md

@@ -0,0 +1,75 @@
+Use the below pin definitions and pinout diagrams as a quick reference to modify your printer configuration easily. You can also cut and paste these sections and add as a comment block to your config.
+
+## RAMPs 1.4 Pins  
+```X_STEP_PIN         ar54
+X_DIR_PIN          ar55
+X_ENABLE_PIN       ar38
+X_MIN_PIN          ar3
+X_MAX_PIN          ar2
+Y_STEP_PIN         ar60
+Y_DIR_PIN          ar61
+Y_ENABLE_PIN       ar56
+Y_MIN_PIN          ar14
+Y_MAX_PIN          ar15
+Z_STEP_PIN         ar46
+Z_DIR_PIN          ar48
+Z_ENABLE_PIN       ar62
+Z_MIN_PIN          ar18
+Z_MAX_PIN          ar19
+E0_STEP_PIN        ar26
+E0_DIR_PIN         ar28
+E0_ENABLE_PIN      ar24
+E1_STEP_PIN        ar36
+E1_DIR_PIN         ar34
+E1_ENABLE_PIN      ar30
+D10                ar10
+D9                 ar9
+D8                 ar8
+TEMP_0_PIN         analog13
+TEMP_1_PIN         analog14
+TEMP_2_PIN         analog15
+```
+![RAMPs 1.4](/Firmware/ramps_1.4.png)
+
+## SKR 1.3 Pins
+```X_STEP_PIN         2.2
+X_DIR_PIN          2.6
+X_ENABLE_PIN       2.1
+X_MIN_PIN          1.29
+X_MAX_PIN          1.28
+X_UART_RX          1.17
+X_UART_TX          4.29
+Y_STEP_PIN         0.19
+Y_DIR_PIN          0.20
+Y_ENABLE_PIN       2.8
+Y_MIN_PIN          1.27
+Y_MAX_PIN          1.26
+Y_UART_RX          1.15
+Y_UART_TX          1.16
+Z_STEP_PIN         0.22
+Z_DIR_PIN          2.11
+Z_ENABLE_PIN       0.21
+Z_MIN_PIN          1.25
+Z_MAX_PIN          1.24
+Z_UART_RX          1.10
+Z_UART_TX          1.14
+E0_STEP_PIN        2.13
+E0_DIR_PIN         0.11
+E0_ENABLE_PIN      2.12
+E0_UART_RX         1.8
+E0_UART_TX         1.9
+E1_STEP_PIN        0.1
+E1_DIR_PIN         0.0
+E1_ENABLE_PIN      0.10
+E1_UART_RX         1.1
+E1_UART_TX         1.4
+HE1                2.4    
+HE0                2.7
+BED                2.5
+TH1 (H1 Temp)      0.25
+TH0 (H0 Temp)      0.24
+TB  (Bed Temp)     0.23
+FAN                2.3
+SERVO              2.0
+```
+![SKR 1.3](/Firmware/skr_1.3.png)