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Articles
Title
The Superman Test (ART311E)
Wireless Telegraph By Earth (ART310E)
Binary Raffler (ART309E)
Electronic Cricket (ART306E)
Practical Circuits with Sensors (ART304E)
Mini Projects of Robotics and Mechatronics (MEC095E)
Semiconductor Laser Module (ART299E)
Step Motor Control with a MC3479 (ART298E)
Fox Hunting (ART297E)
Self-Powered Radio (ART296E)
Razor Experimental Radio (ART295EA)
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)

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      VR can be from 50 to 220k it is recommended to connect a 100-ohm resistor in series. The lamp may...

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