| ??? 03/01/06 11:06 Read: times |
#110963 - Interrupts Responding to: ???'s previous message |
I notice your circuit feeds an interrupt. One possible problem is that the piezo oscillates and produces a fast series of interrupt pulses. Check the waveform on the transistor collector with an oscilloscope.
Ian |
| Topic | Author | Date |
| High voltage input | 01/01/70 00:00 | |
| High voltage input | 01/01/70 00:00 | |
| Isolated supply | 01/01/70 00:00 | |
| Interrupts | 01/01/70 00:00 | |
| Interrupts | 01/01/70 00:00 | |
| HT | 01/01/70 00:00 | |
| piezo impedence | 01/01/70 00:00 | |
| Unidirectional transzorb, separation | 01/01/70 00:00 | |
| > Could you solve the problem? | 01/01/70 00:00 | |
More or less | 01/01/70 00:00 |



