💭 Pinout and Schematic - nice!nano
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!https://nicekeyboards.com/docs/nice-nano/pinout-schematic/

Date: July 10, 2024

Pinout and Schematic - nice!nano Pinout and schematic for the nice!nano nicekeyboards.com

Pinout for nice!nano boards. Note that P0.15 means gpio port 0 pin 15, they can be referenced in zmk when setting column and row pins.

[code]
  #include <dt-bindings/zmk/matrix_transform.h>
  
  / {
      chosen {
          zmk,kscan = &default_kscan;
          zmk,matrix_transform = &default_transform;
          /delete-property/ zephyr,console;
          /delete-property/ zephyr,shell-uart;
      };
  
      default_kscan: kscan {
          compatible = "zmk,kscan-gpio-matrix";
          label = "default_kscan";
          diode-direction = "col2row";
  
          col-gpios
              = <&gpio0 31 GPIO_ACTIVE_HIGH>
              , <&gpio0 29 GPIO_ACTIVE_HIGH>
              , <&gpio0 2 GPIO_ACTIVE_HIGH>
              ;
  
          row-gpios
              = <&gpio1 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
              , <&gpio1 13 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
              , <&gpio1 11 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
              ;
      };
  
      default_transform: matrix_transform {
          compatible = "zmk,matrix-transform";
          columns = <3>;
          rows = <3>;
          map = <
              RC(0,0) RC(0,1) RC(0,2)
              RC(1,0) RC(1,1) RC(1,2)
              RC(2,0) RC(2,1) RC(2,2)
          >;
      };
  };

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