Reading time: 3 minute Among the main topics discussed in this issue, we list: 4-digit counters; 10Hz - 1MHz signal generator; Heat dissipation in power integrated circuits; Telephone ringtone; Oscillator 134.3 - 135.3MHz; Organ of lights; Magnastate system; Monitoring the functioning of microsystems;
Reading time: 5 minute Among the main topics presented in this issue, we list: Voltage comparators - Applications in mini-automation; Electric motor with reciprocating motion; Cranial electronic simulator; Organ of lights or modulated light; Mechanics for electronics - Construction of tin boxes; Sound pressure of speakers; Hi-Fi amplifier with tone corrector; Electronic lightning; Sizing of single-phase transformers with powers up to 350W; Gradual light intensity; 5-channel Kraft transmitter;
Reading time: 2 minute The presented book includes various DIY projects in the following fields: Electrical Engineering, Automation, Radio-electronics, Aeromodels, Navomodels, Automodels, Energy, Astronomy and Experimental Chemistry.
Reading time: 2 minute The paper presents a series of assemblies designed to improve the performance of radio and TV receivers (since 1979) as well as some assemblies for electronic equipment necessary to approach more complex constructions.
Reading time: <1 minut This book, although addressed to all music lovers, wants to highlight a lack of information on clarifying some basic notions and phenomena related to the musical act with its implications and applications.
Reading time: 5 minute This vintage DIY electronic kit is a light organ with 3 projectors (bulbs), with the light effects rate adjustable by a rotary knob. The bulbs will light up depending on the intensity of the input signal and its frequency, producing special lighting effects.