If you are experiencing issues with your ASUS PC, you can troubleshoot the problem by viewing the status of the Q-LED indicators. This article shows how to troubleshoot ASUS motherboard with Q-LED ...

While some netbook makers *cough* *MSI* *cough* seem to feel the need to throw so many status LEDs on their case that it’s tough to tell what any individual blinking light means at a glance, others ...

This LED DC voltage indicator circuit is a voltmeter, rather than simply a battery tester. As such it may measure voltages as low as 3V. It utilizes venerable LM741 operational amplifiers applied as ...