* via a resistor divider where the battery voltage is 3x that read by the ADC.
* Therefore, PyranometerV = ADC / 4096 * 1.5 * 3.
*
* via a resistor divider where the battery voltage is 3x that read by the ADC.
* Therefore, PyranometerV = ADC / 4096 * 1.5 * 3.
*