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Guest crash44

Licurici 230V

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Guest crash44

Da, existau leduri albastre acum 5 ani. Asta e un proiect facut in clasa a zecea, pt. ora de electronica. Am fost singurul pe atunci cu led albastru. :d---O fi mai comod, dar nu la fel de interesant.

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"Am folosit si eu schema urmatoare pt. asa ceva, cu scopul indicarii prezentei tensiunii la o priza

 

Ca sa vezi daca'i tensiune nu trebuie sa ... clipoceasca . In plus "clipocitul e si obositor pentru ochi.

 

 

"dupa cateva mii de ore se intuneca complet, balonul devine negru." -dupa cateva mii de ore'ti permiti sa'l schimbi , dar din experienta'ti spun ca le am de 25 de ani si's fresh ... inca . A se retine , rezistenta de 150K,nu mai mica , ca ...

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Guest crash44

Leoncris, as vrea sa nu polemizam pe tema asta. Poate vreau un ciocan care sa imi bata in masa ca sa imi semnalizeze prezenta tensiunii. Fiecare cu nebuniile lui. ;)

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