A tri-wave oscillator, a thermistor, and a comparator work together to pulse-width modulate the current through R7, the main heating element. Q1 switches that current and also helps with the heating
| Authors | Nick Cornford |
| Main Document | Article «5-V ovens (some assembly required). Part 2» |
| Description | Figure 1 |
| File Format / Size | PDF / 22 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «5-V ovens (some assembly required). Part 2»
- Figure 1. A tri-wave oscillator, a thermistor, and a comparator work together to pulse-width modulate the current through R7, the main heating element. Q1 switches that current and also helps with the heating
- Figure 5. The driving circuit for the new hotplate