Small DC motors are efficiently controlled using pulse-width modulation (PWM) method. The circuit described here is built around an LM324 low-power quad-operational amplifier. Of...

Cigarette lighter sockets available on the dashboards of some vehicles act as a heat source to light cigarettes. Besides, these can power electronic gadgets...

Headquartered in Germany, Kontron is a leading embedded computing technology provider. With more than 30 per cent of its employees in R&D, Kontron creates...

The article looks at the emerging trends and applications in the RF design space which are driving the development of cutting-edge test and measurement...

This transformer-based versatile battery charger circuit can be used to charge any battery, provided the transformer rating is higher than the battery rating. Normally,...

Here is a circuit that simulates the chirping and glow of a glow-worm bug. The circuit is built around timer IC 7555 (IC1), which...

This air ioniser is built around an NE555 timer IC which is configured in astable mode. The circuit is powered by a 12V battery, which...

India is investing hugely in infrastructure, catalysing growth of industries like cement and steel. It is also going to be the biggest drug manufacturer...

Michel Buffa, microcontroller division general manager, STMicroelectronics, talks to Rahul Chopra from Electronics For You about the fundamental technological differences between 8-, 16- and...

During manufacture, testing adds to the cost of the final product significantly. Sometimes the cost of testing can be even greater than the cost...