EDN

Digital countdown timer may never need battery replacement

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 ...
Digital Trends

Amazon cuts price of Echo Wall Clock featuring visible Alexa timer countdowns

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 ...
Engadget

NASA's mission countdown clock is getting a digital upgrade

NASA's launch clock is finally moving into the digital age. The new countdown timer sports a 1280 x 360 resolution screen (which NASA admits is far from being HD) and measures in at 26 feet wide and ...
EDN

Matchbox-Sized Digital Timer

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 ...