diff --git a/doc/pcb-v1.7-upgrade.md b/doc/pcb-v1.7-upgrade.md index 04c8b97..9af1b47 100644 --- a/doc/pcb-v1.7-upgrade.md +++ b/doc/pcb-v1.7-upgrade.md @@ -20,7 +20,7 @@ connected J2 "25-" pin to R13-D15 junction. Mount: - SDCARD: SCHD3A0100 + SDCARD: SCHD3A0100 U11 I2C: PCA9306D SOIC-8 150-mil U10 FLASH: IS25LP032D-JNLE-TR SOIC-8 150mil U9 WIFI: ESP32, but not all pins! read below: @@ -66,7 +66,7 @@ useless. Correct pull up resistors are 4.7k and they should work properly. WIFI: On PCB v1.7 SD card is connected to those ESP32 pins which are widely advertised -as SD card pins, but those pins are shared with internal SPI FLASH of ESP32 -chip it won't boot if anything is connected there. -SD card should be connected on some other pins, probably HSPI. -It has not yet been verified will it work, so no patch recommendation yet. +as SD card pins, but those pins are shared with internal SPI FLASH. +So ESP32 won't boot if anything is connected there. +SD card could be connected on other pins, probably shared with OLED. +It has not yet been tested, so no patch recommendation yet.