In the previous chapter, we learned how to specify an angle for a servo motor and move it to a set position. This time, we will control a brushed DC motor that continues to rotate as long as it is ...

The Modulino Hub, Extender, and Motors boards simplify I2C expansion, long-cable communication, and protected motor control for modular embedded projects. How the Modulino Hub isolates duplicate I2C ...

Sometimes, you have to fight fire with fire. At least, that’s the mindset Bee Safe Mosquito Control is taking in their approach of releasing 600,000 mosquitoes across DC this summer. The male ...

CNN gets a guided tour of the Freedom250 Grand Prix race track from its Chairman Bud Denker, as the nation’s capital prepares for its first ever high-speed IndyCar race.

His 11 mph over the speed limit could have been 10 mph, which falls within the grace range and wouldn’t prompt a citation. He took that argument to the DMV, which is the first appeal, all the way ...

The importance of motor trajectory profiles and how they’re used in brushless DC (BLDC) motor control to minimize vibration and smooth out other performance issues. Why the PID loop is the most widely ...

D.C. traffic cameras issued hundreds of thousands of tickets last year, and city leaders say their presence alone has made streets and neighborhoods safer. A large increase in traffic cameras last ...

The speed camera on Interstate 66 right underneath Virginia Avenue is a powerhouse. Last December, it nabbed an average of 80 drivers a day, despite signs that read “Speed Limit: 40 MPH. Photo ...

The Transportation Department is seeking to scrap the use of automated traffic enforcement cameras in Washington, a move that would cost the city millions in lost revenue but would likely be cheered ...