Remote Controlled Musical Bell
This is a circuit for a knock alarm that uses a piezoelectric plate to detects vibration due to knocking and activates an alarm for about ten seconds.
Security Flaws Put Virtually all Phones, Computers at Risk
FRANKFURT/SAN FRANCISCO - Security researchers on Wednesday disclosed a set of security flaws that they said could let hackers steal sensitive information from nearly...
Hardware Startups: The Way Ahead
The boom in demand of electronics device/gizmo has triggered growth of hardware startups around the world. According to a joint study brought out by...
New Three-phase MOSFET Driver IC with On-board Regulator
Used to Supply both Sensors and Microprocessor Power
Worcester, MA – January 2, 2018– Allegro MicroSystems, LLC announces a new three-phase MOSFET driver IC with...
“There is an Ongoing Requirement for Higher-Performance Power Systems”
All electronic products have power management systems, designing which is a common challenge faced by designers. Recently, Vicor initiated a global survey to understand...
Electronic Combination Lock
This 7-digit combination lock can be easily hard-wired for any combination that you choose. The circuit uses a 4-bit, divide-by-8 Johnson counter (IC1), ten pushbutton switches and npn transistor T1
Three Phase Appliance Protector
Many of our costly appliances require three-phase AC supply for operation. Failure of any of the phases makes the appliance prone to erratic functioning...
Muscular Stimulator
Here is a circuit that stimulates nerves of that part of your body where electrodes are attached. It is useful to relieve headache and...
Room Sound Monitor
With this simple sound monitor circuit, you can secretly listen to conversations going on in a room. The circuit is very sensitive and powered...
Smart Hearing Aid
Normally, hearing aid circuits consume battery power continuously once they are switched on. The smart hearing aid circuit given here saves battery power by...
