Constant esp_idf_sys::gpio_num_t_GPIO_NUM_2

pub const gpio_num_t_GPIO_NUM_2: gpio_num_t

< GPIO2, input and output @note There are more enumerations like that up to GPIO39, excluding GPIO20, GPIO24 and GPIO28..31. They are not shown here to reduce redundant information. @note GPIO34..39 are input mode only.