System represents a breakthrough in the real-life applicability of biophotovoltaic devices
"system could continuously power an Arm Cortex-M0+ processor for six months under varied ambient conditions, within a temperature range of 13.8–30.7°C. The processor performed 1.23 × 1011 cycles of 45 minutes of computation followed by a 15-minute standby period. Supplied entirely by the biophotovoltaic cell, the processor drew an average current of 1.4μA with a voltage of 0.72V. The system only failed when an ice pack was used to lower the temperature to 5°C."
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