Need more UART's

Hardware
1

I have been using the Photon for a number of years now and recently moved up to the Argon. Now with the new EtherSIM, I am thinking about moving over to the Boron. Recently, I have a need for multiple UART ports, which is not available on the Photon, Argon or Boron. That leaves the Electron, but the issue there is it being a Gen 2 device to say nothing about the incompatibility with EtherSIM. My worry about the Electron is, how long will it live. I hesitate to start a project on a device with its EOL in sight, but I need multiple UARTS. I could add an external UART with an I2C interface, but that drives cost way up not to mention complexity.

Anyone have any ideas, advice or suggestions?

2

The nRF52 does not have any more hardware UARTs available, and doing it in software only is not recommended or reliable.

I recommend using the SC16IS7xx line of hardware UARTs. It can be used for both I2C and SPI and works reliably on Gen 3 devices with this library.

3

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