Search found 2 matches

by Gilberto
Sun May 26, 2019 12:02 am
Forum: Hardware
Topic: MMC - ESP-WROVER-KIT_V4_1
Replies: 0
Views: 2454

MMC - ESP-WROVER-KIT_V4_1

Hi The ESP-WROVER-KIT_V4_1 does not use the 10k pull-up connected to SDCARD's DATA2 pin as recommended. So, I am assuming that internal pull up is enable. Am I correct? I addition to that, I would to know if GPIO4 (D1), GPIO12(D2) and GPIO13(D3) can be used as regular GPIO pins in 1-line SD mode? BR...
by Gilberto
Fri May 24, 2019 1:27 am
Forum: ESP32 Arduino
Topic: SDCARD/MMC MODE
Replies: 1
Views: 3844

SDCARD/MMC MODE

Hi I want to use a SDCARD in MMC mode with Arduino framework (SD_MMC library) with only for 1 bit data width. The sdcard conexion is according https://github.com/espressif/esp-idf/tree/master/examples/storage/sd_card My question: Can I use GPIO4 (D1), GPIO12(D2) and GPIO13(D3) as regular IO pins in ...