> For the complete documentation index, see [llms.txt](https://brlabelectronics.gitbook.io/tutorials-1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://brlabelectronics.gitbook.io/tutorials-1/getting-started/what-you-will-need.md).

# What You Will Need

* A mobile device with the Blynk app and Particle app installed.
* A Wi-Fi connection.
* A [Particle Boron-Argon Relay Shield](https://www.brlabelectronics.com/product/ParticleBoron-Argon4ChannelRelayShield/12?cp=true\&sa=true\&sbp=false\&q=false).
* A Particle Argon.
* A Particle.io account.
* A Blynk.io account.