Christmas Lights – No Outlets Needed! Use Extension Cords. Give Solar Lights a Chance! Use Battery Operated Lights. Bluetooth Lights Are an Option. Don’t Forget Rechargeable Lights. Use USB Lights. Give Light Socket Adapters a Go. How do you hook … Continue reading →

DC power is significantly more energy efficient than AC power. DC motors and appliances have higher efficiency and power to size characteristics. DC-based lighting (LED) is as much as 75% more efficient than incandescent lighting. What is the advantage of … Continue reading →

The code to control a relay with the ESP32 is as simple as controlling an LED or any other output. In this example, as we’re using a normally open configuration, we need to send a LOW signal to let the … Continue reading →

Do cigarette lighters have constant power? They have never had constant power to them even when turned off because doing so causes unnecessary drain on the battery when accessories are not being used. How do you turn off the cigarette … Continue reading →

USB Cable Colors and What They Mean The black wire is the ground wire (similar to most all electronic devices). The white wire is a “positive” data wire. The green wire is a “negative” data wire. Which is positive and … Continue reading →

Using a 650W or 750W is ok, but you will never be using the Full power of PSU unless you are using 2 Graphic cards, (SLI or Crossfire ) and that too for high end cards. For normal usage or … Continue reading →

They are called ferrite beads/EMI filters/ferrite chokes and contain the semi-magnetic substance Ferrite made from iron oxide (rust) alloyed with other metals . Usually seen on power chords, laptop charging cables and other electronic devices such as printers and medical … Continue reading →

INSTEN USB Charging Cable compatible with Nintendo DS Lite, Black. What type of charger does DS use? Connector Type USB Type A Color Action Replay DS / DSi / 3DS USB Cable Brand GodMode How can I charge my original … Continue reading →

Despite the name, Power Supply Units (PSU) do not supply systems with power – instead they convert it. Specifically, a power supply converts the alternating high voltage current (AC) into direct current (DC), and they also regulate the DC output … Continue reading →

A network adapter is a piece of hardware that acts as the interface for a computer to a network. This way, computers can communicate across a network. What is an example of a network adapter? These come in both wired … Continue reading →

12v to 5v converter using a voltage divider: Components required: One 12v battery, 1.8k resistor, 1.3k resistor, connecting wires. How do you reduce voltage from 12V to 5v with a resistor? Connect 12 v to pin 1 ,pin 2 is … Continue reading →

Unless you’re confident that all you will encounter will be hardcore, heavy-duty fastening or screw driving jobs, the torque and speed provided by a 12V impact driver may just be enough. How powerful of an impact driver do I need? … Continue reading →

A car battery is one of the best ways to charge your 12V cordless drill battery. You don’t need to charge your car battery as that will be automatically charged by your car alternator when you drive. Can you charge … Continue reading →

DeWalt offers a charging system that won’t do much for triple-A flashlight batteries, but it will put the kick back in the car, boat or motorcycle, and charge anything with a USB port. It will even jump-start a battery in … Continue reading →

A ViewHolder describes an item view and metadata about its place within the RecyclerView. RecyclerView. Adapter implementations should subclass ViewHolder and add fields for caching potentially expensive View. findViewById(int) results. What is the work of ViewHolder? The ViewHolder design pattern … Continue reading →