Constant esp_idf_svc::hal::sys::adc_atten_t_ADC_ATTEN_DB_12

source ยท 
pub const adc_atten_t_ADC_ATTEN_DB_12: u32 = 3; // 3u32
Expand description

<The input voltage of ADC will be attenuated extending the range of measurement by about 12 dB