| ??? 05/08/08 09:29 Read: times |
#154568 - Power cosumption Responding to: ???'s previous message |
What is missing is the required current per LED. If there are 20 of them per segment, he has to have enough current to drive seven times that in order to produce an 8. I checked that when all 3 digits are completely ON, the meter shows that it is arround 0.08A?? |
| Topic | Author | Date |
| At89c52 port pin source | 01/01/70 00:00 | |
| ? | 01/01/70 00:00 | |
| ULN is negative logic. | 01/01/70 00:00 | |
| Level translator | 01/01/70 00:00 | |
| How much current? | 01/01/70 00:00 | |
Power cosumption | 01/01/70 00:00 |