ESP32-S3-MINI-1U official Espressif surface-mount wireless module with U.FL/IPEX connector for external antenna. 2.4 GHz Wi-Fi 4 and Bluetooth LE 5 connectivity from the ESP32-S3 family. variants include 8 MB flash and optional PSRAM configurations.
EN
GPIO15/U0RTS/ADC2_CH4/XTAL_32K_P
GPIO16/U0CTS/ADC2_CH5/XTAL_32K_N
MTCK/GPIO39/CLK_OUT3/SUBSPICS1
MTDO/GPIO40/CLK_OUT2
MTDI/GPIO41/CLK_OUT1
MTMS/GPIO42
GPIO26
SPIIO4/GPIO33/FSPIHD/SUBSPIHD
SPIIO5/GPIO34/FSPICS0/SUBSPICS0
SPIIO6/GPIO35/FSPID/SUBSPID
SPIIO7/GPIO36/FSPICLK/SUBSPICLK
SPIDQS/GPIO37/FSPIQ/SUBSPIQ
3V3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
U0TXD/GPIO43/CLK_OUT1
U0RXD/GPIO44/CLK_OUT2
GPIO20/U1CTS/ADC2_CH9/CLK_OUT1/USB_D+
GPIO19/U1RTS/ADC2_CH8/CLK_OUT2/USB_D-
GPIO0/BOOT
GPIO1/TOUCH1/ADC1_CH0
GPIO2/TOUCH2/ADC1_CH1
GPIO3/TOUCH3/ADC1_CH2
GPIO4/TOUCH4/ADC1_CH3
GPIO5/TOUCH5/ADC1_CH4
GPIO6/TOUCH6/ADC1_CH5
GPIO7/TOUCH7/ADC1_CH6
GPIO8/TOUCH8/ADC1_CH7/SUBSPICS1
GPIO9/TOUCH9/ADC1_CH8/FSPIHD/SUBSPIHD
GPIO10/TOUCH10/ADC1_CH9/FSPICS0/FSPIIO4/SUBSPICS0
GPIO11/TOUCH11/ADC2_CH0/FSPID/FSPIIO5/SUBSPID
GPIO12/TOUCH12/ADC2_CH1/FSPICLK/FSPIIO6/SUBSPICLK
GPIO13/TOUCH13/ADC2_CH2/FSPIQ/FSPIIO7/SUBSPIQ
GPIO14/TOUCH14/ADC2_CH3/FSPIWP/FSPIDQS/SUBSPIWP
GPIO17/U1TXD/ADC2_CH6
GPIO18/U1RXD/ADC2_CH7/CLK_OUT3
GPIO21
GPIO38/FSPIWP/SUBSPIWP
GPIO45
GPIO46
GPIO47/SPICLK_P/SUBSPICLK_P_DIFF
GPIO48/SPICLK_N/SUBSPICLK_N_DIFF
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| EN | 45 | control | EN | |
| GPIO15/U0RTS/ADC2_CH4/XTAL_32K_P | 19 | signal | GPIO15/U0RTS/ADC2_CH4/XTAL_32K_P | |
| GPIO16/U0CTS/ADC2_CH5/XTAL_32K_N | 20 | signal | GPIO16/U0CTS/ADC2_CH5/XTAL_32K_N | |
| MTCK/GPIO39/CLK_OUT3/SUBSPICS1 | 35 | signal | MTCK/GPIO39/CLK_OUT3/SUBSPICS1 | |
| MTDO/GPIO40/CLK_OUT2 | 36 | signal | MTDO/GPIO40/CLK_OUT2 | |
| MTDI/GPIO41/CLK_OUT1 | 37 | signal | MTDI/GPIO41/CLK_OUT1 | |
| MTMS/GPIO42 | 38 | signal | MTMS/GPIO42 | |
| GPIO26 | 26 | signal | GPIO26 | |
| SPIIO4/GPIO33/FSPIHD/SUBSPIHD | 28 | signal | SPIIO4/GPIO33/FSPIHD/SUBSPIHD | |
| SPIIO5/GPIO34/FSPICS0/SUBSPICS0 | 29 | signal | SPIIO5/GPIO34/FSPICS0/SUBSPICS0 | |
| SPIIO6/GPIO35/FSPID/SUBSPID | 31 | signal | SPIIO6/GPIO35/FSPID/SUBSPID | |
| SPIIO7/GPIO36/FSPICLK/SUBSPICLK | 32 | signal | SPIIO7/GPIO36/FSPICLK/SUBSPICLK | |
| SPIDQS/GPIO37/FSPIQ/SUBSPIQ | 33 | signal | SPIDQS/GPIO37/FSPIQ/SUBSPIQ | |
| 3V3 | 3 | power | 3V3 | |
| GND | 1 | ground | GND | |
| GND | 2 | ground | GND | |
| GND | 42 | ground | GND | |
| GND | 43 | ground | GND | |
| GND | 46 | ground | GND | |
| GND | 47 | ground | GND | |
| GND | 48 | ground | GND | |
| GND | 49 | ground | GND | |
| GND | 50 | ground | GND | |
| GND | 51 | ground | GND | |
| GND | 52 | ground | GND | |
| GND | 53 | ground | GND | |
| GND | 54 | ground | GND | |
| GND | 55 | ground | GND | |
| GND | 56 | ground | GND | |
| GND | 57 | ground | GND | |
| GND | 58 | ground | GND | |
| GND | 59 | ground | GND | |
| GND | 60 | ground | GND | |
| GND | 61 | ground | GND | |
| GND | 62 | ground | GND | |
| GND | 63 | ground | GND | |
| GND | 64 | ground | GND | |
| GND | 65 | ground | GND | |
| U0TXD/GPIO43/CLK_OUT1 | 39 | signal | U0TXD/GPIO43/CLK_OUT1 | |
| U0RXD/GPIO44/CLK_OUT2 | 40 | signal | U0RXD/GPIO44/CLK_OUT2 | |
| GPIO20/U1CTS/ADC2_CH9/CLK_OUT1/USB_D+ | 24 | signal | GPIO20/U1CTS/ADC2_CH9/CLK_OUT1/USB_D+ | |
| GPIO19/U1RTS/ADC2_CH8/CLK_OUT2/USB_D- | 23 | signal | GPIO19/U1RTS/ADC2_CH8/CLK_OUT2/USB_D- | |
| GPIO0/BOOT | 4 | control | GPIO0/BOOT | |
| GPIO1/TOUCH1/ADC1_CH0 | 5 | signal | GPIO1/TOUCH1/ADC1_CH0 | |
| GPIO2/TOUCH2/ADC1_CH1 | 6 | signal | GPIO2/TOUCH2/ADC1_CH1 | |
| GPIO3/TOUCH3/ADC1_CH2 | 7 | signal | GPIO3/TOUCH3/ADC1_CH2 | |
| GPIO4/TOUCH4/ADC1_CH3 | 8 | signal | GPIO4/TOUCH4/ADC1_CH3 | |
| GPIO5/TOUCH5/ADC1_CH4 | 9 | signal | GPIO5/TOUCH5/ADC1_CH4 | |
| GPIO6/TOUCH6/ADC1_CH5 | 10 | signal | GPIO6/TOUCH6/ADC1_CH5 | |
| GPIO7/TOUCH7/ADC1_CH6 | 11 | signal | GPIO7/TOUCH7/ADC1_CH6 | |
| GPIO8/TOUCH8/ADC1_CH7/SUBSPICS1 | 12 | signal | GPIO8/TOUCH8/ADC1_CH7/SUBSPICS1 | |
| GPIO9/TOUCH9/ADC1_CH8/FSPIHD/SUBSPIHD | 13 | signal | GPIO9/TOUCH9/ADC1_CH8/FSPIHD/SUBSPIHD | |
| GPIO10/TOUCH10/ADC1_CH9/FSPICS0/FSPIIO4/SUBSPICS0 | 14 | signal | GPIO10/TOUCH10/ADC1_CH9/FSPICS0/FSPIIO4/SUBSPICS0 | |
| GPIO11/TOUCH11/ADC2_CH0/FSPID/FSPIIO5/SUBSPID | 15 | signal | GPIO11/TOUCH11/ADC2_CH0/FSPID/FSPIIO5/SUBSPID | |
| GPIO12/TOUCH12/ADC2_CH1/FSPICLK/FSPIIO6/SUBSPICLK | 16 | signal | GPIO12/TOUCH12/ADC2_CH1/FSPICLK/FSPIIO6/SUBSPICLK | |
| GPIO13/TOUCH13/ADC2_CH2/FSPIQ/FSPIIO7/SUBSPIQ | 17 | signal | GPIO13/TOUCH13/ADC2_CH2/FSPIQ/FSPIIO7/SUBSPIQ | |
| GPIO14/TOUCH14/ADC2_CH3/FSPIWP/FSPIDQS/SUBSPIWP | 18 | signal | GPIO14/TOUCH14/ADC2_CH3/FSPIWP/FSPIDQS/SUBSPIWP | |
| GPIO17/U1TXD/ADC2_CH6 | 21 | signal | GPIO17/U1TXD/ADC2_CH6 | |
| GPIO18/U1RXD/ADC2_CH7/CLK_OUT3 | 22 | signal | GPIO18/U1RXD/ADC2_CH7/CLK_OUT3 | |
| GPIO21 | 25 | signal | GPIO21 | |
| GPIO38/FSPIWP/SUBSPIWP | 34 | signal | GPIO38/FSPIWP/SUBSPIWP | |
| GPIO45 | 41 | signal | GPIO45 | |
| GPIO46 | 44 | signal | GPIO46 | |
| GPIO47/SPICLK_P/SUBSPICLK_P_DIFF | 27 | signal | GPIO47/SPICLK_P/SUBSPICLK_P_DIFF | |
| GPIO48/SPICLK_N/SUBSPICLK_N_DIFF | 30 | signal | GPIO48/SPICLK_N/SUBSPICLK_N_DIFF |
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