AT89C51 Based DC Motor Controller
Motion control plays a vital role in industrial automation. Manufacturing plants in industries like chemical, pharmaceutical, plastic and textile, all require motion control. And...
Digital Thermometer-Cum-Controller
This standalone digital thermometer controls the temperature of a device according to its requirement. It also displays the temperature on four 7-segment displays in...
Microcontroller-Based School Timer
The basic requirements of a realtime programmable timer generally used in schools and colleges for sounding the bell on time are:
• Precise time base...
Remotely Programmable RTC Interfaced Microcontroller for Multiple Device Control
This project based on Atmel AT89C52 and Dallas real-time-clock (RTC) chip DS12887 can be used to control and remotely program the switching operation of...
DC Motor Control Using PWM
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...
SAFE CIGARETTE LIGHTER POWER SOCKET
Cigarette lighter sockets available on the dashboards of some vehicles act as a heat source to light cigarettes. Besides, these can power electronic gadgets...
“In the x86 space, Intel Atom has opened a new market...
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...
T&M Trends For RF Designers
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...
Versatile Battery Charger
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,...
Electronic Glow-Worm
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...
