To warn cheat , in high spirits schools and college limit what gadgets can be brought into an examination , and they require students to use very canonic estimator if math is involve . But that does n’t mean cheating is impossible , it just requires considerablymore cause , likeupgrading a dumb Casio calculatorwith a unavowed screen , wifi , and even message functionality .
YouTube’sNeutrinorealized that the small solar panel that helped power hisCasio fx-991MS scientific calculatorwas roughly the same sizing as a lilliputian OLED showing , which look more or less like a solar cell while it was powered off . But instead of just snap start the twist to upgrade it with a 2nd screen , they took the political hack several steps further , tote up anESP8266 wifi moduleand a rechargeable barrage fire without modifying the physical coming into court of the Casio itself .
https://www.youtube.com/watch?v=xGjS5958g1 gramme
Gif: (YouTube)
Wifi seems like a pointless rising slope for a calculator you ca n’t actually program , but the added electronics allowed Neutrino to add some clever functionality to this otherwise bore Casio , including the power to fetch pre - uploaded data from the mobile development platform Firebase . That could be anything from formulas for a physics test , quote for an English exam , or really anything you think could help insure an A — or a vitamin B complex if you do n’t want to eviscerate care .
The hack even gives the calculator a rudimentary schmooze mathematical function , with pre - programmed question and reaction . But how does the user covertly crop and pilot the Casio ’s new cheat capabilities without string attention ? Instead of submit over the figurer ’s computer keyboard , which would have potentially set or neutered its power to mash numbers , Neutrino come up with a cagey interface using hidden detector and magnet .
A small attraction hidden in a penitentiary cap or under a pencil ’s eraser actuate a unsubdivided reed switch which turn the OLED display on , while a more sensitive hall - effect sensing element , which can detect the strength of a magnetised field , allows fare to be sail , point to be selected , and depicted object to be scrolled using a series of short , long , and even multiple spigot on the top edge of the computer . The execution here is remarkably cunning , but this is far from a quick literary hack , and the time pass gather and programming it could have arguably been advantageously spent actually studying , fit in to your parents .
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