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ESP32 DevKitC (WROOM-32)
EspressifESP32-WROOM-32
Espressif's reference ESP32 dev board: an ESP32-WROOM-32 module on a 38-pin breadboard-friendly carrier with USB-serial and auto-reset. 3.3V logic; most GPIOs are multiplexed (ADC, touch, SPI, I2C, UART, PWM via any pin).
In stock
Specifications
0No specs listed.
Pinout
38| Pin | Name | Functions | Notes |
|---|---|---|---|
| 3V3 | 3V3 | POWER | 3.3V output |
| EN | EN | GPIO | Chip enable / reset (active HIGH) |
| GPIO36 | GPIO36 (VP) | ADC | ADC1_CH0, input-only |
| GPIO39 | GPIO39 (VN) | ADC | ADC1_CH3, input-only |
| GPIO34 | GPIO34 | ADC | ADC1_CH6, input-only |
| GPIO35 | GPIO35 | ADC | ADC1_CH7, input-only |
| GPIO32 | GPIO32 | ADCGPIO | ADC1_CH4, touch9 |
| GPIO33 | GPIO33 | ADCGPIO | ADC1_CH5, touch8 |
| GPIO25 | GPIO25 | ADCGPIO | DAC1, ADC2_CH8 |
| GPIO26 | GPIO26 | ADCGPIO | DAC2, ADC2_CH9 |
| GPIO27 | GPIO27 | ADCGPIO | ADC2_CH7, touch7 |
| GPIO14 | GPIO14 | SPIGPIO | HSPI CLK, ADC2_CH6, touch6 |
| GPIO12 | GPIO12 | SPIGPIO | HSPI MISO, ADC2_CH5; strapping (keep LOW at boot) |
| GND | GND | GND | Ground |
| GPIO13 | GPIO13 | SPIGPIO | HSPI MOSI, ADC2_CH4, touch4 |
| GPIO9 | GPIO9 (SD2) | GPIO | Connected to flash — do not use |
| GPIO10 | GPIO10 (SD3) | GPIO | Connected to flash — do not use |
| GPIO11 | GPIO11 (CMD) | GPIO | Connected to flash — do not use |
| 5V | 5V | POWER | 5V input/output (USB) |
| GND | GND | GND | Ground |
| GPIO23 | GPIO23 | SPIGPIO | VSPI MOSI |
| GPIO22 | GPIO22 | I2CGPIO | Default I2C SCL |
| GPIO1 | GPIO1 (TX0) | UART | UART0 TX (USB console) |
| GPIO3 | GPIO3 (RX0) | UART | UART0 RX (USB console) |
| GPIO21 | GPIO21 | I2CGPIO | Default I2C SDA |
| GND | GND | GND | Ground |
| GPIO19 | GPIO19 | SPIGPIO | VSPI MISO |
| GPIO18 | GPIO18 | SPIGPIO | VSPI CLK |
| GPIO5 | GPIO5 | SPIGPIO | VSPI CS; strapping (HIGH at boot) |
| GPIO17 | GPIO17 (TX2) | UART | UART2 TX |
| GPIO16 | GPIO16 (RX2) | UART | UART2 RX |
| GPIO4 | GPIO4 | ADCGPIO | ADC2_CH0, touch0 |
| GPIO0 | GPIO0 | GPIO | BOOT button; strapping (LOW = download mode) |
| GPIO2 | GPIO2 | GPIO | Onboard LED; strapping (LOW at boot) |
| GPIO15 | GPIO15 | SPIGPIO | HSPI CS, ADC2_CH3, touch3; strapping |
| GPIO8 | GPIO8 (SD1) | GPIO | Connected to flash — do not use |
| GPIO7 | GPIO7 (SD0) | GPIO | Connected to flash — do not use |
| GPIO6 | GPIO6 (CLK) | GPIO | Connected to flash — do not use |
Interactive pinout
Highlight:
ESP32-WROOM-32
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