| ??? 02/13/06 16:53 Read: times |
#109861 - 10mA? Responding to: ???'s previous message |
Neons don't get hot because they don't pass 10mA. Mind you, if you choose a high sensitivity opto with a 1mA threshold then all your dissipations go down by a factor of 10. |
| Topic | Author | Date |
| monitoring mains voltage | 01/01/70 00:00 | |
| Opto with capacitor | 01/01/70 00:00 | |
| re opto with cap | 01/01/70 00:00 | |
| Some protective components required | 01/01/70 00:00 | |
| Fire risk | 01/01/70 00:00 | |
| Transformer | 01/01/70 00:00 | |
| thats the best chioce | 01/01/70 00:00 | |
| There's nothing wrong | 01/01/70 00:00 | |
| Space | 01/01/70 00:00 | |
| please do not go aargh | 01/01/70 00:00 | |
| Opto isolator = LDR + Neon? | 01/01/70 00:00 | |
| 10mA? | 01/01/70 00:00 | |
| Hmmm | 01/01/70 00:00 | |
| Why not... | 01/01/70 00:00 | |
| Neon + Photodiode | 01/01/70 00:00 | |
| Loosing brightness | 01/01/70 00:00 | |
| Transformer isolation is needed! | 01/01/70 00:00 | |
| Previously, on 8052.com | 01/01/70 00:00 | |
| Safety first | 01/01/70 00:00 | |
| Transformer | 01/01/70 00:00 | |
| Sorry | 01/01/70 00:00 | |
| two places to look | 01/01/70 00:00 | |
| Annoying, isn't it?! | 01/01/70 00:00 | |
| Thanx! | 01/01/70 00:00 | |
| maybe Amveco 6200 series? | 01/01/70 00:00 | |
| Transformers | 01/01/70 00:00 | |
| Could also be used | 01/01/70 00:00 | |
| an Idea | 01/01/70 00:00 | |
| The simplest ideas are the best | 01/01/70 00:00 | |
| Poor dads | 01/01/70 00:00 | |
| Tainted food | 01/01/70 00:00 | |
| Yes, but... | 01/01/70 00:00 | |
| Low current | 01/01/70 00:00 | |
Exactly! | 01/01/70 00:00 |