| ??? 09/05/05 21:03 Read: times |
#100635 - photo coupler Responding to: ???'s previous message |
For the rotational speed detection, I recommend a rotary encoder.
You can easily make it than Hall sensor and magnets. 
You can use a radial pattern printed on an OHP sheet instead of the holed disk. Tsuneo |
| Topic | Author | Date |
| Triggering Hall Effect sensors | 01/01/70 00:00 | |
| Comparator | 01/01/70 00:00 | |
| Analog output? | 01/01/70 00:00 | |
| Nope. | 01/01/70 00:00 | |
| Little magnets | 01/01/70 00:00 | |
| Wow ! | 01/01/70 00:00 | |
| Nice link | 01/01/70 00:00 | |
| bar magnets? | 01/01/70 00:00 | |
| bar magnets | 01/01/70 00:00 | |
| Got the point, | 01/01/70 00:00 | |
| The earth magnetism | 01/01/70 00:00 | |
| Made it work ! | 01/01/70 00:00 | |
| BLDC motor, Gear tooth sensor, etc | 01/01/70 00:00 | |
| Geartooth sensors good ;) | 01/01/70 00:00 | |
| Analog output? | 01/01/70 00:00 | |
| speaker magnets | 01/01/70 00:00 | |
| Ditto that | 01/01/70 00:00 | |
| Flux | 01/01/70 00:00 | |
| C like motor magnets | 01/01/70 00:00 | |
| Open-Collector output | 01/01/70 00:00 | |
| I did | 01/01/70 00:00 | |
| How to attach more than one magnet | 01/01/70 00:00 | |
| symmetric placement | 01/01/70 00:00 | |
| photo coupler | 01/01/70 00:00 | |
| Measuring RPM - the software side | 01/01/70 00:00 | |
| Timing routines are alright | 01/01/70 00:00 | |
| Unipolar vs bipolar sensors | 01/01/70 00:00 | |
| try here | 01/01/70 00:00 | |
Thanks for your contribution erik | 01/01/70 00:00 |