Timeline for LED indicator - How to show 'on' when circuit is open
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 1, 2019 at 12:19 | comment | added | Unimportant | 780 ohm results in roughly 15mA. That is way too much and enough to keep the relay energized. Try 10K for approximately 1mA and use a modern high brightness LED that only needs 1mA to light up brightly. | |
| Jan 1, 2019 at 12:15 | history | answered | Drunkencelt | CC BY-SA 4.0 |