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Putting an old digital clock (with an outdoor thermometer) on steroids

According to the label on the back, it is a rebranded “Electronics Tomorrow LTD.” model no. 7904.

It supports DCF77 time synchronization and has been working reliably for the past 20 years.

But recently I wasn’t so thrilled with the outdoor temperature sensor. It’s clunky, runs on 2 AAA batteries, and has the additional problem of being just on one side of the apartment. So you get skewed readings throughout the day, as the sun moves in the sky.”

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