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Sequential Tilt-Motion Lock Circuit Diagram
Electronic Fuse Employs A Relay
A Simple Hearing Aid
Power Supply for USB Devices
Simple Audio Power Meter Circuit
Water-Tank Level Meter Sensor
Audio Controlled Mains Switch
Isolated Fuse Fail Indicator
6 to 15V DC to DC Converter
Versatile DC-DC Converter
Stable USB Power Supply
Low Loss Step Down Converter
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Popular Posts
AVR Dongle Circuit
This circuit is intended to program AVR controllers such as the AT90S1200 via the parallel port. The circuit is extremely simple. IC1 p...
Tweeter Used to Sense Vibrations
The creator built a neat looking project which uses a piezoelectric element from a tweeter to detect vibrations. He is using a Zilog eZ8 s...
Micropower Crystal Oscillator
Crystal oscillators for digital circuits are normally built as Pierce oscillators with an inverter.The inverter operates as a linear amplifi...
Dual Power Supply 78xx-79xx
Many times the hobbyist wants to have a simple, dual power supply for a project. Existing powersupplies may be too big either in power ou...
Lead Acid Battery Protector
The circuit described here can be used to ensure that a 12 V sealed lead acid (SLA) gel battery isn’t discharged too deeply. The ...