Considering that every chip in the world and every transistor on the chip are tested, just imagine the amount of time and cost involved...

A friend of mine plays guitar with several guitar effect pedals. He had a problem with battery eliminators and cables of the pedals cluttering...

From in-vehicle communication to fuel efficiency and regulatory norms, every automotive innovation is becoming more complex and highly integrated. It implies that test and...

Here is the circuit for a portable electric lamp-cum-LED flasher. It uses a 25W, 230V AC bulb and nine LEDs. When the bulb glows...

Calibration defines the accuracy and quality of your measurement. But just buying a certified, calibrated equipment is not the answer; you need to service...

A metronome is used by musicians for practice in maintaining a consistent tempo, or rubato, around a fixed beat. This circuit produces a regular...

A brief overview of RFID technology and testing challenges for complex operating environments where throughput and communication issues may be caused by multiple readers,...

Ni-Cd batteries suffer from an undesirable memory effect due to partial discharge. The remedy is to completely discharge the battery before recharging. A simple resistor...

You can build an accurate, low-cost timer from the circuit of an old quartz clock. This timer has a time duration of up to...

This circuit can be used in homes or small restaurants for any type of water supply unit, such as toilet flush or washbasin tap. The...