#include #include #include &mt { flavor = "hold-preferred"; }; / { combos { compatible = "zmk,combos"; combo_one { timeout-ms = <40>; key-positions = <0 1>; bindings = <&kp X>; }; }; keymap { compatible = "zmk,keymap"; label = "Default keymap"; default_layer { bindings = < &kp A &kp B &mt RSHFT RET &kp C >; }; }; }; &kscan { events = < ZMK_MOCK_PRESS(1,0,10) ZMK_MOCK_PRESS(0,1,10) ZMK_MOCK_PRESS(1,1,10) ZMK_MOCK_RELEASE(0,1,50) ZMK_MOCK_RELEASE(1,1,50) >; };