Constant esp_idf_hal::adc::attenuation::adc_atten_t_ADC_ATTEN_DB_6

source ยท 
pub const adc_atten_t_ADC_ATTEN_DB_6: u32 = 2; // 2u32
Expand description

<The input voltage of ADC will be attenuated extending the range of measurement by about 6 dB (2 x)