Search found 3 matches

by ksmith
Thu Mar 07, 2019 2:44 pm
Forum: Hardware
Topic: TTGO T9 (taudio) - sdcard problems
Replies: 2
Views: 3653

Re: TTGO T9 (taudio) - sdcard problems

All, After another session tearing my hair out, and re-reading the docs and code gazing for far too long, I finally decided to get my hands on another board. -- This one worked first time with the same SD card that didn't work in the first board , so beware with this board if you have problems, it m...
by ksmith
Mon Mar 04, 2019 8:26 pm
Forum: Hardware
Topic: TTGO T9 (taudio) - sdcard problems
Replies: 2
Views: 3653

Re: TTGO T9 (taudio) - sdcard problems

Trying again, checking schematics etc., noticed the module is an ESP32-WROVER-B (I didn't expect that) I guess this may be causing the problems I'm having. I understand from the documentation that the IO12 should be pulled low? to get the SDCARD interface to be 3V3, rather than 1v8? Any suggestions ...
by ksmith
Sun Mar 03, 2019 3:50 pm
Forum: Hardware
Topic: TTGO T9 (taudio) - sdcard problems
Replies: 2
Views: 3653

TTGO T9 (taudio) - sdcard problems

All, I have been trying to use the sd card interface with this board (v1.5) with both the SDMMC and SDSPI interface with no joy. My code works on a Lyra-T (with the correct switches set in both cases). I have a schematic for the 1.3 version, but cannot find a 1.5 and ttgobbs.co, doesn't seem to exis...