MicroMod is a modular interface ecosystem that connects a microcontroller “processor board” to various “carrier board” peripherals. Utilizing the M.2 standard, the MicroMod standard is designed to easily swap out processors on the fly.

MicroMod Weather Carrier Board

The MicroMod Weather Carrier Board is a peripheral for the MicroMod ecosystem that allows you to create your own weather station with one of a multitude of processors. The carrier board includes three sensors: the BME280 temperature, pressure and humidity sensor, the VEML6075 UV sensor and the AS3935 Lightning detector.

Along with these on-board sensors there is a 3-pin latch terminal to add an external soil moisture sensor as well as a pair RJ11 jacks to plug in the wind and rain sensors included with our Weather Meter Kit. To top it all off there is a microSD card slot so you can plug in an SD card to log all of that glorious weather data.

Features

• Barometric Pressure/Humidity/Temperature Sensor - BME280
  • Operated in I2C mode. I2C address: 0x77
• UV Light Sensor - VEML6075
  • I2C address: 0x10
• Lightning Detector - AS3935
  • Operated in SPI mode.
• 2 x RJ11 Connectors to connect Wind/Rain sensors.
• 3-pin Latch Terminal to connect Soil Moisture sensor.

MicroMod ESP32 Processor

The MicroMod ESP32 Processor Board combines Espressif's ESP32 with our M.2 connector interface to bring a processor board with reliable wireless capabilities into our MicroMod ecosystem. With the M.2 MicroMod connector, connecting your ESP32 Processor is a breeze. Simply match up the key on your processor's beveled edge connector to the key on the M.2 connector and secure it with a screw (included with all Carrier Boards).

The ESP32 includes a laundry list of functionality, including the dual-core Tensilica LX6 microprocessor, 240MHz clock frequency, 520kB internal SRAM, integrated WiFi transceiver and hardware accelerated encryption (AES, SHA2, ECC, RSA-4096). With this MicroMod processor board, you have access to 8 general use IO pins, dedicated analog, digital, and PWM pins, as well as all the fan favorites - SPI, I2C, UART, and SDIO. Add to that 16MB flash storage and sleep current of around 500µA, and you've got a perfect storm of versatility.

Features

• Dual-core Tensilica LX6 microprocessor
• Up to 240MHz clock frequency
• 520kB internal SRAM
• 128mbit/16MB flash storage
• Integrated 802.11 BGN WiFi transceiver
• 2.7 to 3.6V operating range
• 500µA sleep current under hibernation
• 10-electrode capacitive touch support
• Hardware accelerated encryption (AES, SHA2, ECC, RSA-4096)

Specific Peripherals made available on MicroMod ESP32:

• 1x USB dedicated for programming and debug
• 1x UART
• 2x I2C
• 1x SPI
• 7x GPIO
• 2x Digital Pins
• 2x Analog Pins
• 2x PWM
• Status LED
• VIN Level ADC

Additional peripherals are available but are shared on dedicated MicroMod pins. 

Documentation

MicroMod Weather Carrier Board Documentation:

• Schematic
• Eagle Files
• Hookup Guide
• Board Dimensions
• Hardware GitHub Repo
• BME280 Arduino Library
• BME280 Datasheet (PDF)
• VEML6075 Arduino Library
• VEML6075 Datasheet
• AS3935 Arduino Library
• AS3935 Datasheet

MicroMod ESP32 Processor Documentation:

• Schematic
• Eagle Files
• Board Dimensions
• Hookup Guide
• Datasheet (ESP32)
• Graphical Datasheet
• GitHub Hardware Repo
• ESP32.com
• Espressif ESP32 Resource Page

MicroMod General Documentation:

• Getting Started with MicroMod
• Designing with MicroMod
• MicroMod Info Page
• MicroMod Forums
• SparkFun MicroMod Interface v1.0 - Pinout
• SparkFun MicroMod Interface v1.0 - Pin Descriptions
• SparkFun Eagle Libraries contains example footprints for the M.2 connector and SMD standoff
• M.2 MicroMod Connector Datasheet
• MicroMod Reflowable Standoff Datasheet