Automation to Flash binary into a group of Electron Devices OTA

Say I have 100 electron devices in the fields and I want to automatically flash the same binary to all of them and verify the new binary is indeed loaded, what would be the best solution?

Any of Particle CLI’s feature can help?

For fleet updates you want to bundle your devices into a product (

Products would also take care of that.
Or with individual devices you can set a Particle.variable() which reflects the application name and version and just check that.

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Thank you @ScruffR , and then once we group? How to upload the binary?

This would be worth a read for that