EYE on NPI – Murata Type 1SJ Integrated LoRaWAN Module #EYEonNPI @murata_na @digikey @adafruit

This week’s EYE on NPI (video) is going loooooooooooooong with a fully integrated Long Range radio module + microcontroller – it’s the Murata’s Type 1SJ Integrated LoRaWAN Module.

This nifty wafer-thin chip is an all-in-one compact solution for adding far-reaching wireless without the cost and power requirements of cellular or WiFi. Particularly for compact products that need to stay small and thin, we’ve never seen a smaller integrated LoRaWAN solution!

This product is a true triple collaboration, combining the second-generation Semtech SX1262 radio frequency IC that comes with the licensed LoRa encoding support and an ARM Cortex-M0 STM32L072 microcontroller from STMicroelectronics with 192 kB of Flash memory, and 20 kB of RAM, along with a built-in RF switch.

Having the STM32L0 chip means excellent deep sleep capabilities, so the module can run on a battery – even a coin cell – for a long time. The STM32 also has plenty of peripherals, so whatever data you need to send over LoRa, you’ll be able to read and process the data: USB, ADC, I2C, SPI, UART etc.

The RF side of the module is the Semtech SX1262 – they’re the company that licenses the LoRa RF specification, so basically you’re guaranteed to get working LoRa/LoRaWAN support with working code examples. The radio can transmit at up +22dBm for many-mile range, similar to the SX breakouts and FeatherWings we manufacture with official driver code available through mbed and GitHub.

All together they make for a compact, inexpensive module, which saves you money and space over combining the radio plus microcontroller. We like the epoxy-coated slab look and it seems like it would be easy to use in a pick & place + reflow manufacturing line.

To get started quickly, you can pick up the Murata LBAA0QB1SJ-TEMP-EVK evaluation board or two, it comes with Arduino-like headers, antenna connection options and a built in SWD/JTAG programmer debugger for the STM32 microcontroller. Once you’ve got your code working, the individual Murata LBAA0QB1SJ-296 modules are available on tape & reel – book an order with Digi-Key for shipment as soon as they come into stock!

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