Story
- Ultra-low-power thermometer with an average current consumption of approximately 3 µA
- Components: PIC16LF19175, MCP9700A, and MCP1501 (-10 or -20)
- Measurement frequency: 1 measurement per second
- Temperature range: -40 to 52°C (using a 1.024V reference) or -40 to 125°C (using a 2.048V reference)
- Power options: CR2032 battery or an experimental "solar 2032" setup (10 BPW34 photodiodes connected in series without a DC-DC converter)
- The MCU remains in sleep mode for most of the time