Incarcatoare de acumulatori mici
De pe vechiul site, care cand e ok, cand dispare.. repostez un articol despre incarcatoate pentru acumulatori de capacitate mica, cum sunt cei AA sau AAA sau similari. Scheme sunt de tipul “sursa de...
Author: Nicu FLORICA
Instalatie electrica broasca (VW1300) din 1967
La adresa http://www.vintagebus.com/wiring/ am gasit instalatia electrica pentru masinile Volkswagen 1300 din 1967, pe care am redesenat-o dupa cum era masinii mele, in anul 2000… Schema se poate descarca de AICI !
Disco lights (light organ)
original article in roumanian language A nice system for home and party is an light organ (disco lights), who is made ususal with 3 channels (low, medium and high frequency), but I like with...
Experiments with CMOS 4093 chip
original article (roumanian language) Usually, for made a simple square wave generator it use old 555 (you can see my experiments with 555 at Experimente cu “batranul” 555). I like more CMOS chips… so,...
Single phase motor use in both directions
For use a single phase motor in both directions for made a hoist, whinch or for other applications must use a simple schematic named PSC (Permanent Split Capacitor), see docs from Washing machine two speed...
Pornire motor monofazat in ambele sensuri (2)
Intr-un articol anterior, am prezentat schema de legare a unui motor monofazat ce echipa un troliu (electropalan cu cablu) pentru a functiona in ambele sensuri: Totul se baza pe informatiile prezentate in articolul Reutilizarea motorului...
P20F04D-12L display with HUB40A interface and 16×8 2R1G1B pixels (part 2)
original article (roumanian language) After I became familiar with P20F04D-12L display module using Arduino develelopment board, I decided to made a weather station (temperature & humidity). The first tests we presented in the previous article...
P20F04D-12L display with HUB40A interface and 16×8 2R1G1B pixels
original article in roumanian languageThis display module named P20F04D-12L has 16×8 pixels, each made with 2R1G1B leds (2 red leds, one green led & one blue led). For power supply it use 5V (VCC &...
Mini audio amplifier with LM386
In more portable devices it use LM386 who is 1W audio power amplifier with x20 to x200 gain (26..46dB) and BASS BOOST feature. Is very usefull to read the datasheet from Texas Instruments or UTC. I made a sound surveillance...
230V~ LED flasher
original article (roumanian language) In a old paper magazine named ELEKTOR I found a nice schematic Using Eagle PCB software I designed a version for made this schematic: On net, I found a movie with similar...
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