NodeMCU-32S WIFI Module V1’s Key Features:
- Dual CPU Cores: Can be individually controlled with an adjustable clock frequency ranging from 80 MHz to 240 MHz.
- Multiple Connectivity Options: Integrates traditional Bluetooth, Bluetooth low energy, and Wi-Fi.
- Versatile Usage: Supports a wide range of communication connections and can directly connect to the Internet via a router.
- High Data Rates: Supports data rates up to 150 Mbps with an antenna output power of 20 dBm, ensuring maximum wireless communication.
- Embedded Lwip Protocol Stack: Ensures smooth and efficient communication.
- Multiple Operation Modes: Supports STA/AP/STA + AP operation mode.
- Remote Firmware Upgrade: Features support for FOTA.
- Development Support: Supports secondary development and integrates with both Windows and Linux development environments.
The Nodemcu-32s is a state-of-the-art module designed for versatility and adaptability. At its core lies the ESP32 chip, which is not only scalable but also supports RTOS. This module is a general-purpose Wi-Fi+BT+BLE MCU module, making it a must-have for tech enthusiasts and professionals alike.
Technical Specifications of NodeMCU-32S:
| Parameter | Specification |
|---|---|
| Module Model | ESP-WROOM-32s |
| Size | 25.448.263mm(±0.2mm) |
| Certification | FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC/ BQB/ RoHS/REACH |
| SPI Flash | 32Mbit(default) |
| Support Interface | UART/GPIO/ADC/DAC/SDIO/SD card /PWM/I2C/I2S |
| Integrated Crystal Oscillator | 40MHz Crystal oscillator |
| IO Port | 38 |
| Antenna | Onboard antenna |
| Power Supply | Voltage 3.0V ~ 3.6V, Typical 3.3V, Current >500mA |
| Operating Temperature | -40 ℃ ~ 85 ℃ |
| Storage Environment | -40 ℃ ~ 120 ℃ |
Pinout for NodeMCU-32S WIFI Module V1
| No. | Pin Name | Functional Description |
|---|---|---|
| 1 | 3.3V | Module power supply pin |
| 2 | EN | Chip Enabled Pin, Active High |
| 3 | SVP | GPIO36, ADC1_CH0, RTC_GPIO0 |
| 4 | SVN | GPIO39, ADC1_CH3, RTC_GPIO3 |
| 5 | P34 | GPIO34, ADC1_CH6, RTC_GPIO4 |
| 6 | P35 | GPIO35, ADC1_CH7, RTC_GPIO5 |
| 7 | P32 | GPIO32, XTAL_32K_P (32.768kHz Crystal input), ADC1_CH4, TOUCH9, RTC_GPIO9 |
| 8 | P33 | GPIO33, XTAL_32K_N (32.768kHz Crystal output), ADC1_CH5, TOUCH8, RTC_GPIO8 |
| 9 | P25 | GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0 |
| 10 | P26 | GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RX_DV |
| 11 | P27 | GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV |
| 12 | P14 | GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2 |
| 13 | P12 | GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3 |
| 14 | GND | GND |
| 15 | P13 | GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER |
| 16 | SD2 | GPIO9, SD_DATA2, SPIHD, HS1_DATA2, U1RXD |
| 17 | SD3 | GPIO10, SD_DATA3, SPIWP, HS1_DATA3, U1TXD |
| 18 | CMD | GPIO11, SD_CMD, SPICS0, HS1_CMD, U1RTS |
| 19 | 5V | Module power supply pin |
| 20 | CLK | GPIO6, SD_CLK, SPICLK, HS1_CLK, U1CTS |
| 21 | SD0 | GPIO7, SD_DATA0, SPIQ, HS1_DATA0, U2RTS |
| 22 | SD1 | GPIO8, SD_DATA1, SPID, HS1_DATA1, U2CTS |
| 23 | P15 | GPIO15, ADC2_CH3, TOUCH3, MTDO, HSPICS0, RTC_GPIO13, HS2_CMD, SD_CMD, EMAC_RXD3 |
| 24 | P2 | GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0 |
| 25 | P0 | GPIO0, ADC2_CH1, TOUCH1, CLK_OUT1, RTC_GPIO11, EMAC_TX_CLK; Download mode: external pull low, running mode: floating or external pull high |
| 26 | P4 | GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER |
| 27 | P16 | GPIO16, HS1_DATA4, U2RXD, EMAC_CLK_OUT |
| 28 | P17 | GPIO17, HS1_DATA5, U2TXD, EMAC_CLK_OUT_180 |
| 29 | P5 | GPIO5, VSPICS0, HS1_DATA6, EMAC_RX_CLK |
| 30 | P18 | GPIO18, VSPICLK, HS1_DATA7 |
| 31 | P19 | GPIO19, VSPIQ, U0CTS, EMAC_TXD0 |
| 32 | GND | GND |
| 33 | P21 | GPIO21, VSPIHD, EMAC_TX_EN |
| 34 | RX | GPIO3, U0RXD, CLK_OUT2 |
| 35 | TX | GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2 |
| 36 | P22 | GPIO22, VSPIWP, U0RTS, EMAC_TXD1 |
| 37 | P23 | GPIO23, VSPID, HS1_STROBE |
| 38 | GND | GND |
