





specification:
Microcontroller SoC: ESP32-WROOM-32 (dual-core Tensilica LX6 @ 240 MHz)
Flash Memory: 4MB onboard
SRAM: 520KB internal
Wireless:
Wi-Fi: 802.11 b/g/n (2.4 GHz)
Bluetooth: v4.2 (Classic + BLE)
GPIO Pins: 30 total (digital I/O, ADC, DAC, touch, SPI, I2C, UART, PWM)
Analog Inputs: Up to 18 channels (12-bit ADC resolution)
DAC Outputs: 2 channels (8-bit DAC)
PWM Channels: On most GPIOs
Communication Interfaces:
3 × UART
2 × I2C
3 × SPI
CAN, IR, I2S supported
USB Interface: CP2102 USB-to-UART bridge
Power Input:
Micro USB (5V input)
Vin pin (5V to 12V acceptable)
Operating Voltage (logic level): 3.3V