Guru
Joined: 29/01/2013
Location: CanadaPosts: 1185
| Posted: 10:34pm 01 Oct 2025 |
Seems to me the external counter chip would need some sort of latch. When the monostable triggers after a few seconds of no pulse, the current count should latched to the output pins, and the counter should be cleared to start counting the next set of pulses.