Simple Stereo Power Amplifier With 7905
79xx is a widely known series of low-cost, fixed-negative-voltage regulators. These integrated circuits are available with output current of 100-150 mA (L series), 0.4-0.5A...
Smart Exhaust Fan Switch
Exhaust fans in washrooms can be connected to the lighting circuit so that these switch on and switch off with the electric light. But...
Optimise Your Test System Smartly
As higher targets are set to increase profits and decrease operating costs, test engineers are subjected to the ever-increasing stress of improving the efficiency...
“Android is 18 Months Away From Embedded Space”
Bharat Shah, vice president and country manager, Janardhan Prabhakar, national sales manager, and Nigel Forrester, market development manager, Emerson Network Power (Embedded Computing) spoke...
“Safety and reliability are two different things”
Texas Instruments, popularly known as TI, helps customers develop new ideas that change the way we live. By providing semiconductor technologies that promote greater...
Where Do Open Source Engineers Fit in the Electronics Industry
Freeduino board It has been believed for years that a prominent part of the future of Open Source lays in embedded systems—a “rather unglamorous...
“Economy is a bigger challenge than technology now”
MAY 2012: NXP Semiconductors provides high-performance mixed signal and standard product solutions that leverage its RF, analogue, power management, interface, security and digital processing...
Sensor-Based Door Lock
The door lock controller given here is a simple electronic switching circuit realised using a low-cost unipolar Hall effect sensor IC MH183. This CMOS...
Multicolour Curtain Backlights
This circuit comprises two parts: a string of 5mm high-intensity white LEDs connected in series and the circuit wired around. IC CD4060 with an...
Clap-Based Digital Volume Control
This clap-based digital volume control offers four levels of volume control. With each clap, the volume of the audio system increases. After the fourth...