← All parts
ESP32-WROOM-32
EspressifESP32-WROOM-32
The ESP32-WROOM-32 is a versatile Wi-Fi and Bluetooth module, powered by an ESP32-D0WDQ6 dual-core processor. It is designed for a broad range of IoT applications, from low-power sensor networks to demanding multimedia tasks.
In stock
Specifications
13- Cpu Architecture
- Xtensa dual-core 32-bit LX7
- Clock Speed
- 240 MHz
- Rom
- 448 KB
- Sram
- 528 KB
- Flash
- 4 MB
- Wifi Standards
- 802.11b/g/n
- Bluetooth Standards
- V4.2 BR/EDR, LE
- Gpio Count
- 32
- Operating Voltage
- 3.0-3.6 V
- Operating Temperature
- -40 to 85 °C
- Dimensions
- 18 x 25.5 x 3.1 mm
- Antenna
- on-board PCB
- Crystal Oscillator Frequency
- 40 MHz
Pinout
39| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | GND | GND | |
| 2 | 3V3 | POWER | |
| 3 | EN | GPIO | Module-enable signal, active high. |
| 4 | SENSOR_VP | GPIOADC | GPIO36, ADC1_CH0, RTC_GPIO0 |
| 5 | SENSOR_VN | GPIOADC | GPIO39, ADC1_CH3, RTC_GPIO3 |
| 6 | IO34 | GPIOADC | GPIO34, ADC1_CH6, RTC_GPIO4 |
| 7 | IO35 | GPIOADC | GPIO35, ADC1_CH7, RTC_GPIO5 |
| 8 | IO32 | GPIOADC | GPIO32, XTAL_32K_P, ADC1_CH4, TOUCH9, RTC_GPIO9 |
| 9 | IO33 | GPIOADC | GPIO33, XTAL_32K_N, ADC1_CH5, TOUCH8, RTC_GPIO8 |
| 10 | IO25 | GPIODACADC | GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0 |
| 11 | IO26 | GPIODACADC | GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1 |
| 12 | IO27 | GPIOADC | GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV |
| 13 | IO14 | GPIOADCSPISDIO | GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2 |
| 14 | IO12 | GPIOADCSPISDIO | GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3 |
| 15 | GND | GND | |
| 16 | IO13 | GPIOADCSPISDIO | GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER |
| 17 | SHD/SD2 | GPIOSDIOSPIUART | GPIO9. Not recommended for other uses as it's connected to SPI flash. |
| 18 | SWP/SD3 | GPIOSDIOSPIUART | GPIO10. Not recommended for other uses as it's connected to SPI flash. |
| 19 | SCS/CMD | GPIOSDIOSPIUART | GPIO11. Not recommended for other uses as it's connected to SPI flash. |
| 20 | SCK/CLK | GPIOSDIOSPIUART | GPIO6. Not recommended for other uses as it's connected to SPI flash. |
| 21 | SDO/SD0 | GPIOSDIOSPIUART | GPIO7. Not recommended for other uses as it's connected to SPI flash. |
| 22 | SDI/SD1 | GPIOSDIOSPIUART | GPIO8. Not recommended for other uses as it's connected to SPI flash. |
| 23 | IO15 | GPIOADCSPISDIO | GPIO15, ADC2_CH3, TOUCH3, MTDO, HSPICS0, RTC_GPIO13, HS2_CMD, SD_CMD, EMAC_RXD3 |
| 24 | IO2 | GPIOADCSPISDIO | GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0 |
| 25 | IO0 | GPIOADC | GPIO0, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1, EMAC_TX_CLK |
| 26 | IO4 | GPIOADCSPISDIO | GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER |
| 27 | IO16 | GPIOUART | GPIO16, HS1_DATA4, U2RXD, EMAC_CLK_OUT |
| 28 | IO17 | GPIOUART | GPIO17, HS1_DATA5, U2TXD, EMAC_CLK_OUT_180 |
| 29 | IO5 | GPIOSPI | GPIO5, VSPICS0, HS1_DATA6, EMAC_RX_CLK |
| 30 | IO18 | GPIOSPI | GPIO18, VSPICLK, HS1_DATA7 |
| 31 | IO19 | GPIOSPIUART | GPIO19, VSPIQ, U0CTS, EMAC_TXD0 |
| 32 | NC | — | No Connection |
| 33 | IO21 | GPIOSPI | GPIO21, VSPIHD, EMAC_TX_EN |
| 34 | RXD0 | GPIOUART | GPIO3, U0RXD, CLK_OUT2 |
| 35 | TXD0 | GPIOUART | GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2 |
| 36 | IO22 | GPIOSPIUART | GPIO22, VSPIWP, U0RTS, EMAC_TXD1 |
| 37 | IO23 | GPIOSPI | GPIO23, VSPID, HS1_STROBE |
| 38 | GND | GND | |
| 39 | GND | GND | Soldering pad, not a must to solder. |
Interactive pinout
Highlight:
ESP32-WROOM-32
Click a pin to copy its name · tap a tag above to spotlight a bus.