So why not play it safe and make use of your light switch? Admittedly ... screen and a few buttons too — he’s using this as a timer to control the A/C unit, but it’s begging for a web ...

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Five Time Ranges From 0.001 Sec. Replaces Most Electro-Mechanical Timers. Six Single-Cycle and Eight Repeat-Cycle Timing Modes. Easy Programming 7/16" High LCD Display. Sealed Faceplate. Keypad ...