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Lim Innovascuola

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A cura del professor Dario Zucchini dell'Istituto Majorana di Grugliasco: dubbi, analisi critica e suggerimenti.

Published in: Technology, Education
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Lim Innovascuola

  1. 1. LAVAGNE INTERATTIVE MULTIMEDIALI INNOVASCUOLA NELLE SCUOLE PRIMARIE
  2. 4. Foto scattata a luglio 2009 in una scuola primaria della provincia di Torino
  3. 5. Niente cablaggi Fili penduli attaccati con nastro adesivo
  4. 6. Spinotti volanti La scelta di un notebook da collegare a una LIM fissa è concettualmente errata ma quanto durano gli spinotti se maneggiati quotidianamente? USB: 10000 inserimenti RJ45 (rete) 750 neanche 3 anni D-Sub (vga) 500 meno di 2 anni Spesso i connettori VGA vengono messi fuori uso dopo solo un centinaio di inserimenti
  5. 7. Fissaggio approssimativo Posizione errata e ripetuti buchi nel muro L’appalto non prevede tasselli idonei ma solo tasselli di plastica per mensole Tasselli e punte adatti sono stati acquistati dai bidelli perché l’installatore ne era sprovvisto
  6. 8. Staffa pericolante La staffa non idonea per questo tipo di installazione è evidentemente incurvata dal peso Il proiettore rischia di cadere in testa agli studenti La classe dopo questa installazione non è più sicura e dovrebbe essere dichiarata inagibile Focale ultra corta distanza massima 60 cm E non 1,5 metri come in questo caso!!!
  7. 9. Allineamento “ flottante” Per essere davvero innovativi gli installatori si sono inventati la staffa snodata e rotante. Il proiettore si sposta a destra e a sinistra senza una posizione fissa!!! In pratica è quasi impossibile avere il proiettore correttamente allineato, e per le LIM questo vuol dire dover continuamente ricalibrare la lavagna durante l’uso. Inclinazione errata Con questa inclinazione il proiettore non lavora correttamente e necessita della funzione di correzione del trapezio sprecando parte della sua risoluzione
  8. 10. Installazione precaria Proiettore mobile Computer Portatile Fili Volanti Il computer è finito in cassaforte e sul muro è comparso un “warning” che avvisa che l’utilizzo è riservato al personale specializzato… in effetti usare questa LIM è perfino pericoloso, meglio lasciar perdere!
  9. 12. <ul><li>Se vi consegnano le LIM in questo modo: </li></ul><ul><ul><li>Fate sostituire le staffe del videoproiettore (urgente) </li></ul></ul><ul><ul><li>Collegate alla LIM un PC compatto di tipo mediacenter (poche centinaia di euro con tastiera/mouse/telecomando senza fili e scheda tv) </li></ul></ul><ul><ul><li>Fate sistemare i cablaggi e fissate anche il PC al muro lasciandolo sempre collegato </li></ul></ul><ul><ul><li>Proteggete la configurazione del PC con Deep Freeze o Magic Card (per eliminare la manutenzione e la calibrazione) </li></ul></ul><ul><ul><li>Tenetevi il portatile per usarlo nelle altre classi </li></ul></ul><ul><ul><li>Consigli di Dario Zucchini, commenti e pareri su blog.dschola.it </li></ul></ul>
  10. 13. <ul><li>Ma perché proprio in Italia, il paese del buon gusto, della moda e del design le installazioni multimediali nelle scuole sono tremendamente brutte oltre che poco funzionali? </li></ul><ul><li>Banali errori nella progettazione e il meccanismo degli appalti al ribasso stanno minando alle fondamenta anche l’ultimo sogno di innovazione di massa della scuola… </li></ul>
  11. 14. <ul><li>“ Questo succede per la confusione causata dai frequenti ribassi..., poiché va certo che tutte le rotture di contratti, così come i mancamenti di parola ed il ripetersi degli appalti, ad altri non servono che attirarvi quali impresari tutti i miserabili che non sanno dove battere del capo ed i bricconi e gli ignoranti, facendo al tempo medesimo fuggire da Voi quanti hanno i mezzi e la capacità per condurre un'impresa. E dirò inoltre che tali ribassi ritardano e rincarano considerevolmente i lavori, i quali ognora più scadenti diverranno.” </li></ul><ul><li>Marchese di Vauban, maresciallo di Francia, al ministro della Guerra </li></ul><ul><li>17 luglio 1683 </li></ul>

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