??? 07/08/10 18:29 Read: times |
#177160 - Input current too high? Responding to: ???'s previous message |
But won't the current circulating from 5v (at89s52 pullup) to 2.85v (gps module logic 1) current kill the GPS?
Should I add a protection resistor? How much kohms does it need to be? Thanks again, Gonzalo Ávila |
Topic | Author | Date |
Connecting AT89S52 to a 2.85v signal | 01/01/70 00:00 | |
So that's OK, then! | 01/01/70 00:00 | |
Input current too high? | 01/01/70 00:00 | |
give two values for the GPS | 01/01/70 00:00 | |
Values | 01/01/70 00:00 | |
Level Shifter? | 01/01/70 00:00 | |
yes, unless | 01/01/70 00:00 | |
"very slow" ?![]() | 01/01/70 00:00 |