Boron404X

Background

The Particle Boron 404 module is a cellular LTE-M device that is designed to connect to the Particle.io cloud, allowing you to control and acquire data using the Particle API. The Boron404X Starter Kit includes a SIM that is free of activation or service fees. For simple use cases, the included 100,000 monthly data operations are enough to use the device with no monthly charge -- and no credit card is required.

Solutions designed around the Particle.IO Boron 404X Starter Kit

https://store.particle.io/collections/all-products/products/boron-lte-cat-m1-noram-starter-kit-with-ethersim-brn404xkit

• Apple HomeKit (HomeSpan) ESP32 to Boron 404X gate opener example
• Boron404X 3D-printable gate opener case