You"ll have no problem converting real world physical signals, such as light and temperature, into a sequence of digital data that a computer can read with this MCP3004T-I/ST ADC from Microchip Technology. It has a single-ended and pseudo-differential input signal. This device"s digital interface is serial (4-wire, spi). This device is based on SAR architecture. This ADC has a resolution of 10bit. This ADC has an input voltage of 5 V. This ADC has a temperature range of -40 °C to 85 °C.