Projects

Articles
Title
Ultrasonic Repellent (ART294E)
Transformerless Power Supplies (ART293E)
Switched Mode Power Supplies (ART291E)
Projects of Symmetrical Sources (ART290E)
How to Use LEDs in the 110 V, 117 V and 220 V power grid (ART288E)
Digital audio – Classes of Amplifiers (ART286E)
More About Bipolar Power Transistors (ART281E)
Transistor Shields For Relays (ART279E )
Vibration Sensor with Optical Fiber (ART277E)
Ultrasonic Generator (ART025E)
Water Sensor (ART023E)
Electroscope (ART022E)
Freezer Alarm (ART020E)
Pendulum Intermitent Alarm (ART016E)
Audio Generator Using the 4093 IC (ART012E)
Electronic Rheostat (ART009E)
Signal Chaser (ART005E)
Sound Partner (ART004E)
Experimenting With the 4093 NAND Schmitt Trigger (ART003E)
Delayed Turn-On Alarm (ART002E)
Programmable Unijunctlon Transistor – PUT (ART021E)
Relay Triggering For Remote Control (ART274E)
Regulated Source with SCR (ART273E)
8 W Module Amplifier (ART272E)
Adjustable Zener (ART270E)
Apparatus for Hearing Through Walls (ART264E)
TRANSNEW-2 - Basic FM Transmitter for Espionage and Communication (ART262E)
Electronic Load (ART260E)
Shields Circuits Selection (ART258E)
The Challenge of the Timer (ART253E)

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