SparkFun ESP32 WROOM MicroMod WiFi Function Board

The WRL-18430 board adds additional wireless options to MicroMod Processor Boards that do not have wifi capability. The MicroMod WiFi function board incorporates Espressif's ESP32 WROOM to add WiFi and Bluetooth to your applications. ESP32 WROOM module on this board features 16MB of flash memory, 520kB of internal SRAM, an integrated 802.11 b/g/n WiFi transceiver, and dual-mode Bluetooth capabilities. Utilizing our handy M.2 MicroMod connector, no soldering is required to connect it to your system.

• Input Voltage Range

  • 2.5V to 6.0V
    • Typ. 5V via Main Board's USB Connector
    • Typ. ~3.7V to 4.2V via Main Board's LiPo Battery Connector
• I/O Voltage

  • 3.3V
• USB Type C Connector
• CP2102 USB-to-Serial Converter
• AP2112 3.3V Voltage Regulator (Rated 600mA)
• ESP32-WROOM-32E Module

  • Xtensa dual-core 32-bit LX6 microprocessor
  • Up to 240MHz clock frequency
  • 16MB of flash storage
  • 520kB internal SRAM
  • Integrated 802.11 b/g/n WiFi transceiver
  • Integrated dual-mode Bluetooth (classic and BLE)
  • Hardware accelerated encryption (AES, SHA2, ECC, RSA-4096)
  • 2.5 uA deep sleep current
• Buttons

  • Reset
  • Boot
• Power LED
• I2C Pull-Up Resistors
• Jumpers
  • PWR LED
  • I2C Pull-Up Resistors

• Schematic
• Board Files
• Board Dimensions
• Hookup Guide
• Silicon Labs CP210X Drivers

  • Windows
  • Max OSX
• Datasheet (ESP32-WROOM-32E)
• ReadTheDocs: ESP32 AT Command Set

  • AT Firmware Downloading Guide
  • ESP32-WROOM AT Firmware
• GitHub Hardware Repo