??? 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 |