diff --git a/extmod/machine_signal.c b/extmod/machine_signal.c
index fb179c438c..de6c3ff320 100644
--- a/extmod/machine_signal.c
+++ b/extmod/machine_signal.c
@@ -92,8 +92,22 @@ STATIC mp_obj_t signal_value(size_t n_args, const mp_obj_t *args) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(signal_value_obj, 1, 2, signal_value);
 
+STATIC mp_obj_t signal_on(mp_obj_t self_in) {
+    mp_virtual_pin_write(self_in, 1);
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(signal_on_obj, signal_on);
+
+STATIC mp_obj_t signal_off(mp_obj_t self_in) {
+    mp_virtual_pin_write(self_in, 0);
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(signal_off_obj, signal_off);
+
 STATIC const mp_rom_map_elem_t signal_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_value), MP_ROM_PTR(&signal_value_obj) },
+    { MP_ROM_QSTR(MP_QSTR_on), MP_ROM_PTR(&signal_on_obj) },
+    { MP_ROM_QSTR(MP_QSTR_off), MP_ROM_PTR(&signal_off_obj) },
 };
 
 STATIC MP_DEFINE_CONST_DICT(signal_locals_dict, signal_locals_dict_table);