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Huzzah32 Esp32 Breakout Board
AdafruitESP32
A compact ESP32 breakout board with GPIO, ADC, and various connectivity options.
In stock
Specifications
1- Operating Voltage
- 3.3V, 500mA peak from regulator, 4MB SPI Flash, 600 DMIPS clock speed, 802.11b/g/n Wi-Fi, Bluetooth Classic/LE, 3x UART, 3x SPI, 2x I2C, 12x ADC input channels, 2x DAC, PWM/timer on every GPIO pin, 4MB Flash, 520KB SRAM, 32kHz crystal oscillator, 10 capacitive touch interface, Hall sensor, SDIO main/secondary 50 MHz support, OpenOCD debug interface with 32kB TRAX buffer, SD-card interface support, dual-core Tensilica LX6 microcontroller with 600 DMIPS, ultra-low noise analog amplifier, hall sensor, 10x capacitive touch interface, 32kHz crystal oscillator, 3x UARTs (only two are configured by default in the Feather Arduino IDE support), 3x SPI (only one is configured by default in the Feather Arduino IDE support), 2x I2C (only one is configured by default in the Feather Arduino IDE support)
Pinout
27Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| GND | GND | POWER | Common ground for all power and logic |
| BAT | BAT | POWER | Positive voltage to/from JST jack on the back as well as input into the 3.3V regulator |
| V+ | V+ | POWER | Positive voltage from USB-to-Serial converter if one is plugged in |
| 3V | 3V | POWER | Output from the 3.3V regulator, supplies up to 500mA peak |
| IO2 | GPIO #2 | GPIO | |
| IO4 | GPIO #4 (A5) | ADCPWM | Analog input A5 on ADC #2 |
| IO5 | GPIO #5 (SCK) | SPI | |
| IO12 | GPIO #12 (A11) | ADCPWM | Analog input A11 on ADC #2, has a pull-down resistor |
| IO13 | GPIO #13 (LED) | GPIO | |
| IO14 | GPIO #14 (A6) | ADCPWM | Analog input A6 on ADC #2 |
| IO15 | GPIO #15 (A8) | ADCPWM | Analog input A8 on ADC #2 |
| IO16 | GPIO #16 (Serial1 RX) | UART | |
| IO17 | GPIO #17 (Serial1 TX) | UART | |
| IO18 | GPIO #18 (SPI MOSI) | SPI | |
| IO19 | GPIO #19 (SPI MISO) | SPI | |
| IO21 | GPIO #21 | GPIO | |
| IO22 | GPIO #22 (I2C SCL) | I2C | |
| IO23 | GPIO #23 (I2C SDA) | I2C | |
| IO25 | GPIO #25 (A1, DAC1) | ADCPWM | Analog output DAC1 |
| IO26 | GPIO #26 (A0, DAC2) | ADCPWM | Analog output DAC2 |
| IO27 | GPIO #27 (A10) | ADCPWM | |
| IO32 | GPIO #32 (A7, Crystal) | GPIO | Can also be used to connect a 32 KHz crystal |
| IO33 | GPIO #33 (A9, Crystal) | GPIO | Can also be used to connect a 32 KHz crystal |
| IO34 | GPIO #34 (A2) | ADC | |
| IO35 | GPIO #35 (A13) | ADC | |
| IO36 | GPIO #36 (A4) | ADC | |
| IO39 | GPIO #39 (A3) | ADC |
Interactive pinout
Highlight:
ESP32
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