Posts

non-invasive test for injectors

. Now all engines have injectors for fuel, they are managed electronically by a control unit, which decides the injection time or the time for which the injector must remain open and therefore the amount ...

Comparator with hysteresis

. In hysteresis comparator without opamp you do not have the need to eliminate the uncertainty of switching even with infinitesimal oscillations with respect to the value of the threshold or deleted because before the test or irrelevant in the next circuit. ...

TRIODES ELECTRONIC

TRIODI ELETTRONICI Questo articolo sarà dedicato ad un altro tipo di tubo elettronico, the TRIODE, that can be compared to a faucet, since it allows to vary the current flowing through it, precisely like a tap makes it possible to adjust ...

A wire for a watch

UN FILO PER UN OROLOGIO Eccomi dopo una discreta assenza, riproporvi to yet another digital clock: but now everybody knows ... mine is a craze ... or maybe I do not do anything else. How did this watch ?... even in March ...

PIPES TO ISSUE TERMOELETTRONICA

. Among the HI FI enthusiasts for several years we are always spoken of in valves amplification as the final solution for every domestic installation and not. Never having spoken here I will try to fill this gap by explaining what are the valves,…

valve Diodes

. 1 - RADDRIZZATORI A SEMIONDA Nello scorso articolo si è accennato brevemente all'impiego del diodo per il raddrizzamento della corrente alternata; Now we take the topic to examine in detail the operation of the circuit ...

FARO MODELISM

. A close friend asks me if I can help in the creation of an automated mechanism for his plastic. Must replace the motorized part with gear ratio of the light of a lighthouse with something with no moving parts due to vibration and noise ...

Network Probe for electricians

Sonda di rete per elettricisti Nel lavoro di tutti i giorni, electricians often use simple measuring instruments. To perform most of the work, it takes only two devices that work with the principle yes / no,…

ESR METER

.   COSA SIGNIFICA ESR Per ESR si intende la resistenza equivalente serie dei componenti, in practice it is mainly addressed to electrolytic. It is mainly due to the parasitic inductance and is all the more important ...

hours luci

      Hello everyone . This is my first article on the group, also pushed by one of the site administrators have wanted to participate even those who read the 'article about my experience in the field of ...