Comprising a microprocessor, an LCD, a 32.768-kHz crystal, and little else, the basic countdown-timer circuit in Figure 1 operates from a commonly available CR2032 lithium-coin-cell battery. Based on ...

For one of my hobby projects, I needed to add a small countdown timer at an affordable cost. Fortunately, a DigiSpark Attiny85 development board was lying around on my workbench. The next component ...

Amazon dropped the price for the Echo Wall Clock, the extremely helpful visible countdown display for the Alexa timer Amazon Alexa’s voice-controlled timer is the most useful out-of-the-box feature of ...

NASA's new countdown clock for space missions is a lot like a football stadium display and way more advanced than the old analog one it's replacing. Freelance writer Amanda C. Kooser covers gadgets ...

CAPE CANAVERAL, Fla. — Time is running out on one of the world's most famous timepieces. Within weeks, NASA plans to replace the digital countdown timer featured prominently in broadcasts and images ...