To fix issues with FT231XS rev A,B,C\nShort-circuit D18 LED, but then\nboard cannot keep awake by USB.\nchip rev D works properly\nSee TN140_FT231X Errata\n
Text GLabel 5650 5850 2 60 Input ~ 0
WIFI_GPIO2
WIFI_LED
$Comp
L LED_ALT D22
U 1 1 5A07AFD2
@ -792,4 +792,6 @@ F 6 "www.mouser.com" H 3100 3950 60 0001 C CNN "Distributor1_URL"
To fix issues with FT231XS rev A,B,C\nShort-circuit D18 LED, but then\nboard cannot keep awake by USB.\nchip rev D works properly\nSee TN140_FT231X Errata\n
Text GLabel 5650 5850 2 60 Input ~ 0
WIFI_GPIO2
WIFI_LED
$Comp
L LED_ALT D22
U 1 1 5A07AFD2
@ -792,4 +792,6 @@ F 6 "www.mouser.com" H 3100 3950 60 0001 C CNN "Distributor1_URL"
GPIO12 probably should be held low at reset or disconnected\nother option is to burn flash voltage efuse for 3.3V operation\nfor GPIO2 and GPIO12 bootstrapping considerations, read\nhttps://github.com/espressif/esp-idf/tree/master/examples/storage/sd_card
Text Notes 1800 5800 0 60 ~ 0
Text Notes 2050 6200 0 60 ~ 0
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
Text Notes 2050 5350 0 60 ~ 0
SD card connected according to\nArduino->Examples->ESP32->SD_MMC_Test\nhttps://github.com/espressif/esp-idf/blob/\nmaster/examples/storage/sd_card/README.md\n
GPIO12 probably should be held low at reset or disconnected\nother option is to burn flash voltage efuse for 3.3V operation\nfor GPIO2 and GPIO12 bootstrapping considerations, read\nhttps://github.com/espressif/esp-idf/tree/master/examples/storage/sd_card
Text Notes 1800 5800 0 60 ~ 0
Text Notes 2050 6200 0 60 ~ 0
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
Text Notes 2050 5350 0 60 ~ 0
SD card connected according to\nArduino->Examples->ESP32->SD_MMC_Test\nhttps://github.com/espressif/esp-idf/blob/\nmaster/examples/storage/sd_card/README.md\n