Exhaust fans help prevent mold and mildew in bathrooms and basements, but when left on, they waste electricity. Automate this process by installing a humidity sensor to replace the fan switch. A ...

Does your performance car sound like a UPS truck? The exhaust is the first upgrade for an improved soundtrack -- and more power. Something is missing in your life. And it's probably not a heavier ...

O2 sensors are directly responsible for the amount of fuel your car uses. If your car experiences poor fuel economy, lacks ...

It’s been a few issues since you’ve last seen our Project 2012 Camaro SS, and we apologize for that. Trying to build eight other cars at once can be draining, and pretty time consuming. We’re now ...

After we bolted the Lester Scruggs 404ci engine into our Orange Peel '66 Chevelle using Edelbrock motor mounts and headers, it became obvious that the leftover 21/2-inch exhaust system was due for an ...

[Bob Blick] built this simulator from a 555 and few other common parts. Just when I thought I’d seen all the uses for the 555. The oxygen sensor on a cars exhaust is used to determine how efficiently ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...