| Electronics > Beginners |
| What is this item found on a PCB? |
| << < (4/6) > >> |
| Psi:
It couples to 3 capacitive touch pads on the pcb and provides a random number seed. Effected by the position/stackup of those black spheres as well as humidity. |
| mikeselectricstuff:
--- Quote from: Psi on April 15, 2019, 01:44:58 pm ---It couples to 3 capacitive touch pads on the pcb and provides a random number seed. Effected by the position/stackup of those black spheres as well as humidity. --- End quote --- Why would they not use timing of user remote buttons and/or network activity for random seeding ? |
| Psi:
--- Quote from: mikeselectricstuff on April 15, 2019, 02:08:17 pm --- --- Quote from: Psi on April 15, 2019, 01:44:58 pm ---It couples to 3 capacitive touch pads on the pcb and provides a random number seed. Effected by the position/stackup of those black spheres as well as humidity. --- End quote --- Why would they not use timing of user remote buttons and/or network activity for random seeding ? --- End quote --- dunno, i'm just trying to think up as many ideas as i can. |
| Brumby:
--- Quote from: mikeselectricstuff on April 15, 2019, 01:39:49 pm --- --- Quote from: Bud on April 15, 2019, 01:26:56 pm ---Why would a goddamn tv streaming box would need a humidity or motion sensor. --- End quote --- Hard disk warranty claims --- End quote --- ... or spilled beer detector? |
| Psi:
It looks the same as this thing from inside a HDD, just a different plastic package https://youtu.be/5pP2tcsCnrk?t=85 I stand by my first guess |
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