You can charge the battery by simply plugging in USB power over the the case's USB jack, thanks to the built in charging circuit of the Feather.


The moment has arrived, time to put the Crypto Countdown Case into action! Press the tempting green button to turn it on, watch the ominous boot sequence, begin to feel the sweat drip down your forehead as the timer counts relentlessly down, and begin to enter your disarm sequence of toggle switches!

Whew! You've saved the free world!! Write down the secret message, turn off the toggles, power down the case, and move on to your next assignement.

This guide was first published on Jan 27, 2017. It was last updated on Mar 08, 2024.

This page (Deploy the Case) was last updated on Mar 08, 2024.

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