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A World Without Cords: An Overview of Wireless Charging

A World Without Cords: An Overview of Wireless Charging

Qi (pronounced as "chee") charging is an optimized inductive charging concept also known as “wireless charging,” allowing you to charge your devices wirelessly. Compatible devices’ batteries are charged by using induction transfer without requiring separate chargers, cables or adapters... Simply place your compatible device on top of the wireless pad and watch your device charge. Finally--an end to cords!


Interfaces for Computer-Controlled Test Systems

Interfaces for Computer-Controlled Test Systems

A short introduction to some of the more popular interfaces used to connect test instruments to computers.


Measuring Resistance, In Circuit and Out

Measuring Resistance, In Circuit and Out

This article explains how to measure a resistance value, even if the resistor cannot be removed from its circuit.


How to Use the Arduino Joystick Shield v2.4

How to Use the Arduino Joystick Shield v2.4

In this tutorial we are going to see how to use Arduino Joystick Shield. There are different versions but we'll be using v2.4, which has some interesting features and some extra buttons which can be used in your application in different ways.


Projects Jun 17, 2015 by Tim Youngblood
How Low Can You Go? Measuring Small Voltages with a DMM

How Low Can You Go? Measuring Small Voltages with a DMM

Understanding the relationship between resolution and accuracy will help you determine how small a voltage, current, or resistance—or how small a change in those values—that you can actually measure with your digital multimeter.


The Basics of Power Semiconductor Devices: Structures, Symbols, and Operations

The Basics of Power Semiconductor Devices: Structures, Symbols, and Operations

Learn about various power electronic devices which act as solid-state switches in the circuits, meaning they act as a switch without any mechanical movement.