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geekmaster · 11-18-2011, 08:04 PM

To avoid cross-posting, you can read how to convert between 1.8v TTL and 3.3v or 5v TTL using only one resistor and two diodes for input, and one resistor and one diode for output:

https://www.mobileread.com/forums/sho...15&postcount=5

EDIT: Here is the schematic for the level shifter circuit described above:
https://www.mobileread.com/forums/sho....php?p=1897643

11-18-2011, 08:04 PM	#23
geekmaster Carpe diem, c'est la vie. Posts: 6,433 Karma: 10773668 Join Date: Nov 2011 Location: Multiverse 6627A Device: K1 to PW3	To avoid cross-posting, you can read how to convert between 1.8v TTL and 3.3v or 5v TTL using only one resistor and two diodes for input, and one resistor and one diode for output: https://www.mobileread.com/forums/sho...15&postcount=5 EDIT: Here is the schematic for the level shifter circuit described above: https://www.mobileread.com/forums/sho....php?p=1897643 Last edited by geekmaster; 12-27-2011 at 02:53 PM.