Capacitor C first charges through the pull-up resistance of the microcontroller's I/O pin configured as an output (a). The capacitor then discharges through the reverse leakage of diode D (b)
| Authors | Andreas Grün |
| Main Document | Article «Simple microcontroller-temperature measurement uses only a diode and a capacitor» |
| Description | Figure 2 |
| File Format / Size | PDF / 13 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Simple microcontroller-temperature measurement uses only a diode and a capacitor»
- Figure 1. The reverse current of a PN-junction diode shows an exponential dependency over temperature; increasing the temperature by approximately 12 K doubles the leakage
- Figure 2. Capacitor C first charges through the pull-up resistance of the microcontroller's I/O pin configured as an output (a). The capacitor then discharges through the reverse leakage of diode D (b)
