std_msgs/Header header
uint8 command
uint8 analog_data_ch4_low_byte
uint8 analog_data_ch4_high_bits
uint8 analog_data_ch3_low_byte
uint8 analog_data_ch3_high_bits
uint8 analog_data_ch2_low_byte
uint8 analog_data_ch2_high_bits
uint8 analog_data_ch1_low_byte
uint8 analog_data_ch1_high_bits