Analog-to-digital Converter (ADC)
The EM2001 features a four-channel analog-to-digital converter (ADC). The ADC's hardware resolution is 12 bits, while its effective resolution is about 7 bits. This reduction in resolution is caused by the internal noise of the EM2001. Even with this low resolution, the ADC module is useful for a wide variety of measurements.
The input voltage range of ADC inputs is from 0 to VCC (3.3V nominal). The ADC will measure 0 when an ADC's input is at 0V, and 4095 when an input is at VCC.
Your Tibbo BASIC/C application can access the ADC module through the ADC (adc.) object, which is documented in the TIDE, TiOS, Tibbo BASIC, and Tibbo C Manual.