Timeline for Optocoupler conducts without LED supply
Current License: CC BY-SA 4.0
12 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 16, 2020 at 0:17 | comment | added | mguima | Maybe a favour to yourself, DO NOT POST FRITZING drawings in EE StackExchange calling it schematic. The chances of receiving an answer will be higher if you keep Fritzing out. | |
| Feb 12, 2020 at 11:36 | comment | added | CL. | What is the exact voltage at the emitter? | |
| Feb 12, 2020 at 10:43 | comment | added | winny | Your schematic is upside down. | |
| Feb 12, 2020 at 10:18 | comment | added | Juraj | in the answer to your previous question you accepted the answer showing a pulll-up resistor. why do you use pull-down? | |
| Feb 12, 2020 at 10:05 | comment | added | Sandeep Thomas | @marcelm it still shows high.. So 5v conducts even without led | |
| Feb 12, 2020 at 9:49 | comment | added | marcelm | What happens if you remove the switch from your breadboard? | |
| Feb 12, 2020 at 8:24 | history | edited | Sandeep Thomas | CC BY-SA 4.0 |
Added Schematic
|
| Feb 12, 2020 at 8:22 | comment | added | Andy aka | No, a proper schematic, not a cartoon of how you built it. | |
| Feb 12, 2020 at 8:19 | answer | added | NoumanQ | timeline score: 1 | |
| Feb 12, 2020 at 8:15 | history | edited | Sandeep Thomas | CC BY-SA 4.0 |
added more details
|
| Feb 12, 2020 at 8:15 | comment | added | User323693 | 1. Share the schematics..Clean hand drawn is also okay.. 2. enable pullup on Pin 2 | |
| Feb 12, 2020 at 8:06 | history | asked | Sandeep Thomas | CC BY-SA 4.0 |