diff --git a/mrbgems/machine-pwm/src/pwm.c b/mrbgems/machine-pwm/src/pwm.c
index 13ba8a7..d7dd59c 100644
--- a/mrbgems/machine-pwm/src/pwm.c
+++ b/mrbgems/machine-pwm/src/pwm.c
@@ -117,6 +117,31 @@ static mrb_value mrb_pwm_enabled_set(mrb_state *mrb, mrb_value self) {
     }
 }
 
+static mrb_value mrb_pwm_duty_get(mrb_state *mrb, mrb_value self) {
+    mrb_pwm_t *pwm_ch = mrb_data_get_ptr(mrb, self, &mrb_pwm_type);
+    if (pwm_ch == NULL) {
+        mrb_raise(mrb, E_RUNTIME_ERROR, "Uninitialized PWM struct");
+    }
+
+    uint16_t duty = mrb_machine_pwm_impl_duty_get(pwm_ch->channel);
+
+    return mrb_int_value(mrb, duty);
+}
+
+static mrb_value mrb_pwm_duty_set(mrb_state *mrb, mrb_value self) {
+    mrb_value new_duty = mrb_get_arg1(mrb);
+    mrb_ensure_integer_type(mrb, new_duty);
+
+    mrb_pwm_t *pwm_ch = mrb_data_get_ptr(mrb, self, &mrb_pwm_type);
+    if (pwm_ch == NULL) {
+        mrb_raise(mrb, E_RUNTIME_ERROR, "Uninitialized PWM struct");
+    }
+
+    mrb_machine_pwm_impl_duty_set(pwm_ch->channel, mrb_integer(new_duty));
+
+    return mrb_nil_value();
+}
+
 void mrb_machine_pwm_gem_init(mrb_state *mrb) {
     /**
      * Example:
@@ -139,6 +164,8 @@ void mrb_machine_pwm_gem_init(mrb_state *mrb) {
     mrb_define_method(mrb, class_pwm, "disable", mrb_pwm_disable, MRB_ARGS_NONE());
     mrb_define_method(mrb, class_pwm, "enabled", mrb_pwm_enabled_get, MRB_ARGS_NONE());
     mrb_define_method(mrb, class_pwm, "enabled=", mrb_pwm_enabled_set, MRB_ARGS_ARG(1, 0));
+    mrb_define_method(mrb, class_pwm, "duty", mrb_pwm_duty_get, MRB_ARGS_NONE());
+    mrb_define_method(mrb, class_pwm, "duty=", mrb_pwm_duty_set, MRB_ARGS_ARG(1, 0));
 
     /* TODO: Implement methods */
 }