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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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  • Tunnel Diode Oscillator (CB22576E)

      Shown in Radio Electronics June 1953, this circuit needs a small adjustable source of 0 to 3 V and...

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           This circuit is suitable for the calibration of old analog oscilloscopes. It was found in...

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      This circuit was found I a 1965 Radio Schack documentation. The transistors are from that time,...

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