Table 3.

Comparison of power consumption.

Solution/Configuration	Consumption
Nonin's 8000AA-2LEDs	3 mW
Nonin's 8000AA-2LEDs	6 mW
Proposed-2LEDs	1.5 mW
Proposed-4LEDs	3 mW
Nonin's 8000AA sensor + OEM III Eval Kit	36 mW
Proposed 4-LEDs sensor + EP3C10 FPGA	48 mW
Proposed 2 × 4-LEDs sensor + EP3C10 FPGA	54 mW, 27 mW per instrument