esp8266_and_sd_cards
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esp8266_and_sd_cards [2015/06/22 16:35] sigrokblack |
esp8266_and_sd_cards [2015/06/22 16:39] sigrokblack Some corrections, okay? |
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| ====== You can connect an SD card to some ESP8266 with the SPI GPIO broken out. | ====== You can connect an SD card to some ESP8266 with the SPI GPIO broken out. | ||
| - | For example: ESP8266 201 or ESP8266 12E ====== | + | For example: ESP8266 201 or 12E ====== |
| Then connect your sd card (__FAT32__) like this to the ESP: | Then connect your sd card (__FAT32__) like this to the ESP: | ||
| - | Sd-->ESP8266 | + | Sd-->ESP8266 |
| - | 1 CS --> IO2 | + | - CS --> IO2 |
| - | 2 DI(MOSI)-->IO13 | + | - DI(MOSI)-->IO13 |
| - | 3 VSS1--> GND | + | - VSS1--> GND |
| - | 4 VDD-->3.3v | + | - VDD-->3.3v |
| - | 5 SCLK-->IO14 | + | - SCLK-->IO14 |
| - | 6 Vss2-->GND | + | - Vss2-->GND |
| - | 7 DO(MISO)-->IO12 | + | - DO(MISO)-->IO12 |
| Take these instructions for help: | Take these instructions for help: | ||
| http://www.esp8266.com/viewtopic.php?f=32&t=3558#p20419 | http://www.esp8266.com/viewtopic.php?f=32&t=3558#p20419 | ||
| - | Be sure to change the CS to a free GPIO. Normally, this would be IO15 which has to be pulled to ground. Otherwise teh ESP won't work. | + | Be sure to change CS to a free GPIO. Normally, this would be IO15 which has to be pulled to ground. Otherwise the ESP won't work. |
| In this case I take IO2. | In this case I take IO2. | ||
esp8266_and_sd_cards.txt · Last modified: 2015/08/08 16:44 by admin