E101-32WN4-PS-E uart serial port WiFi wireless module
[IP]：ESP32-D0WD-V3
[Frequency]：2.4~2.5GHz
[Protocol]：IEEE802.11b/g/n
[Distance]：400m
[Type]：UART I/O
[Features]：Universal Wi-Fi module
[Product weight]：2±0.1g
[Introduction]：E101-32WN4-PS-E is a general-purpose Wi-Fi module with powerful functions, built-in ESP32-D0WD-V3 chip, Xtensa® dual-core 32-bit LX6 microprocessor, 448 KB ROM, 520 KB SRAM, 16 KB RTC SRAM supports up to 240 clock frequency in MHz. Can be used for low-power sensor networks and demanding tasks such as speech encoding, audio streaming, and MP3 decoding.
| Name | Serial number | Type | Function |
|---|---|---|---|
| 1 | GND | P | Grounded |
| 2 | 3V3 | P | Powered by |
| 3 | EN | I | High level: chip enable;low level: chip off;Note: The EN pin cannot be left floating. |
| 4 | SENSOR_VP | I | GPIO36, ADC1_CH0, RTC_GPIO0 |
| 5 | SENSOR_VN | I | GPIO39, ADC1_CH3, RTC_GPIO3 |
| 6 | IO34 | I | GPIO34, ADC1_CH6, RTC_GPIO4 |
| 7 | IO35 | I | GPIO35, ADC1_CH7, RTC_GPIO5 |
| 8 | IO32 | I/O | GPIO32, XTAL_32K_P (32.768 kHz Crystal input), ADC1_CH4, TOUCH9, RTC_GPIO9 |
| 9 | IO33 | I/O | GPIO33, XTAL_32K_N (32.768 kHz Crystal output), ADC1_CH5, TOUCH8, RTC_GPIO8 |
| 10 | IO25 | I/O | GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0 |
| 11 | IO26 | I/O | GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1 |
| 12 | IO27 | I/O | GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV |
| 13 | IO14 | I/O | GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2 |
| 14 | IO12 | I/O | GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3 |
| 15 | GND | P | Grounded |
| 16 | IO13 | I/O | GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER |
| 17 | NC | - | - |
| 18 | NC | - | - |
| 19 | NC | - | - |
| 20 | NC | - | - |
| 21 | NC | - | - |
| 22 | NC | - | - |
| 23 | IO15 | I/O | GPIO15, ADC2_CH3, TOUCH3, MTDO, HSPICS0, RTC_GPIO13, HS2_CMD, SD_CMD, EMAC_RXD3 |
| 24 | IO2 | I/O | GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0 |
| 25 | IO0 | I/O | GPIO0, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1, EMAC_TX_CLK |
| 26 | IO4 | I/O | GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER |
| 27 | IO16 | I/O | GPIO16, HS1_DATA4, U2RXD, EMAC_CLK_OUT |
| 28 | IO17 | I/O | GPIO17, HS1_DATA5, U2TXD, EMAC_CLK_OUT_180 |
| 29 | IO5 | I/O | GPIO5, VSPICS0, HS1_DATA6, EMAC_RX_CLK |
| 30 | IO18 | I/O | GPIO18, VSPICLK, HS1_DATA7 |
| 31 | IO19 | I/O | GPIO19, VSPIQ, U0CTS, EMAC_TXD0 |
| 32 | NC | - | - |
| 33 | IO21 | I/O | GPIO21, VSPIHD, EMAC_TX_EN |
| 34 | RXD0 | I/O | GPIO3, U0RXD, CLK_OUT2 |
| 35 | TXD0 | I/O | GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2 |
| 36 | IO22 | I/O | GPIO22, VSPIWP, U0RTS, EMAC_TXD1 |
| 37 | IO23 | I/O | GPIO23, VSPID, HS1_STROBE |
| 38 | GND | P | Grounded |
| 1 P：power supply；I：input；O：output；T：Can be set to high impedance |