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)