POWER BUTTON SWITCH

. The switches to momentary action button at low current, as types "tactile" for PCB mounting, They are inexpensive and available in many different styles. The types of hooking, on the other hand, They are often larger, more expensive and ...

Preheat soldering iron

. noninvasive improvement of my economic Station 936 built and marketed under several brands, mine in particular is marked ATTEN but you can find several on the bay 30 € or less. Such soldering station ...

AUTOMATIC CHARGER

. This project is essentially to "rejuvenate" a New Electronic kits, questo è lo schema originario Il problema nasce per due fattori, the relay in the long run will ruin the integrated and become obsolete and practically ...

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 ...