How to Wire a Light Sensor
a light sensor is a great solution if someone in your household tends to leave certain lights on or if you want to illuminate a dark area without fumbling for a light switch or
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How to Test Trailer Lights
it's important that your trailer lights are in proper working condition so that other drivers will see you signal and brake. if your trailer lights seem to be malfunctioning, you
How to Test a Vehicle Speed Sensor with a Multimeter
a vehicle speed sensor, or vss, is a sensor that is used to determine how fast your vehicle is traveling. if your vehicle's speedometer stops working or isn't telling you the
How to Use Ferrite Beads
if you've ever heard a high-pitched hum come through your headphones when you plug them into your computer or when you turn on your stereo, you're hearing radio frequency
How to Use Voltage Testers
use voltage testers to confirm that you have shut off electricity to a receptacle or fixture when you are doing any kind of electrical work. different models will help you to
How to Repair an Electric Cord
whether your family walks over them or your pets chew on them, electrical cords wear out over time. getting replacement cords can be expensive, but fortunately you can fix most
How to Build a Model of a Swarm Robot
interested in robotics and model-making? follow these steps to build your own model of a swarm robot. they may not demonstrate the kind of 'swarm intelligence' you'd hope to see in
How to Build a Simple Robot
this wikihow teaches you how to make a simple, light-activated robot that can vibrate its way across a surface. while the robot detailed here won't perform complex tasks, building
How to Build a Robot Car
have you ever wanted to see your own robot car roving around? build one with a few electronics parts, an arduino microcontroller, and copy-paste programming. even if you've never
How to Buy Speaker Cables
you have an incredible speaker system, but now you need to buy speaker cables to finish your audio setup. but, as with many electronic devices, buying the cheapest cable on the