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SparkFun MicroMod LoRa Function Board
The SparkFun MicroMod LoRa Function Board provides LoRA and LoRaWAN capabilities to your MicroMod project. It is intended to be used in conjunction with a MicroMod Processor Board and a MicroMod Main Board, which provides the electrical interface between a processor board and the Function Board(s).
The LoRa Function Board utilizes the 915M30S LoRa module from EBYTE, which is a 1W (30dBm) transceiver based around the SX1276 from Semtech. There is a robust edge mount RP-SMA connector for large LoRa (915MHz) antennas; with modification, a U.FL connector is also available. We've successfully tested a 12 miles line-of-sight transmission with this module (test was performed under ideal conditions; individual user results may vary).
With the MicroMod standardization, users no longer need to cross-reference schematics with datasheets, while fumbling around with jumper wires. Simply, match up the function board's M.2 edge connector to the slot of the M.2 connector on the main board and secure the function board with screws.
Note: A MicroMod Processor, Main Board, and antenna are not included with this MicroMod LoRa Function Board. These parts will need to be purchased separately.
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. Pair a specialized carrier board for the project you need with your choice of compatible processor!
- Board Features
- M.2 MicroMod Edge Interface
- Keyed Screw Slots
- RP-SMA Antenna Connector
- Configurable U.FL Antenna Connector
- M.2 MicroMod Edge Interface
- 1W 915M30S LoRa Module Features
- Based on SX1276 chipset from Semtech
- Frequency Range: 900 - 931MHz
- Transmit Power: 28.5 - 30dBm (max)
- Modulation: LoRa, FSK, GFSK, MSK, GMSK, OOK
- Data Rate:
- FSK: 1.2 - 300kbps
- LoRa: 0.018 - 37.5kbps
- Antenna Impedance: 50Ω
- MicroMod Peripherals Used
- 5V Power
- I2C Bus (EEPROM)
- SPI Bus
- GPIO (7 pins)
Hardware Documentation:
- Schematic
- Eagle Files
- Board Dimensions
- Hookup Guide
- Datasheet (E19-915M30S)
- Datasheet (SX1276)
- Arduino Libraries:
- GitHub Hardware Repo
MicroMod Documentation:
SparkFun MicroMod LoRa Function Board Product Help and Resources
Getting Started with MicroMod
October 21, 2020
Dive into the world of MicroMod - a compact interface to connect a microcontroller to various peripherals via the M.2 Connector!
Designing with MicroMod
October 21, 2020
This tutorial will walk you through the specs of the MicroMod processor and carrier board as well as the basics of incorporating the MicroMod form factor into your own PCB designs!
1W LoRa MicroMod Function Board Hookup Guide
November 11, 2021
Everything you need to get started with the 1W LoRa MicroMod function board; a MicroMod function board that provides LoRa capabilities for your MicroMod project. Must be used in conjunction with a MicroMod main board and processor.
Core Skill: Programming
If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.
Skill Level: Competent - The toolchain for programming is a bit more complex and will examples may not be explicitly provided for you. You will be required to have a fundamental knowledge of programming and be required to provide your own code. You may need to modify existing libraries or code to work with your specific hardware. Sensor and hardware interfaces will be SPI or I2C.
See all skill levels
Core Skill: Electrical Prototyping
If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Rookie - You may be required to know a bit more about the component, such as orientation, or how to hook it up, in addition to power requirements. You will need to understand polarized components.
See all skill levels
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"Hmm...we have a lot of space on this micromod function board...why don't we just put the biggest, baddest LoRa module on there?" - the engineers designing this board.