One of the greatest modern aids for driving is not intended for drivers at all. I refer to the digital displays at an increasing number intersections that count down the seconds until the traffic ...

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 ...

SAN FRANCISCO – You’re stuck at a red light. It’s taking forever. How much time until the light turns green? Ten seconds? Twenty seconds? A minute and a half? Would you be more patient if you knew ...

Susan Kramer of Everett writes: “Everett has installed some pedestrian (walk/don’t walk) signal lights that have countdown timers. Some of these timers are coordinated with the traffic lights such ...

Traffic lights are an integral part of maintaining order among vehicles, cyclists, and pedestrians. And while an agreement has been in place since the late 1960s standardizing intersection lights ...

Will Fort Lauderdale’s proposed red light cameras include countdown timers to warn motorists how much time they have before the light turns yellow? I’m envisioning something similar to the timers at ...

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 ...