so, with the parallel resistors, the overall resistance will go down as you close switches…allowing the LED to illuminate brighter. however, how can ensure that the switch at one end control the LED more dramatically than a switch at the other end. are your resistors equal?
ie. in binary, bit 0 is the least significant bit and will only contribute 0 or 1 to the overall number, whereas bit 7 will contribute 0 or 128 to the larger byte.
likewise, switch 0 should affect the LED the least, and switch 7 should affect it the most, no?
My resistors are equal, but I had not noticed that the switches at one end had a greater effect than the switches at the other end. I noticed that some switches had less of an effect, but I figured that this was because the combined effect of using that many switches per LED would not be very significant. What I mean is that you’ll see a big difference going from 1 ON / 7 OFF to 2 ON / 6 OFF, but not such a big difference from 6 ON / 2 OFF to 7 ON / 1 OFF.
Has your section had time to discuss this in class (ours didn’t)? Do you know what the solution is?
so, with the parallel resistors, the overall resistance will go down as you close switches…allowing the LED to illuminate brighter. however, how can ensure that the switch at one end control the LED more dramatically than a switch at the other end. are your resistors equal?
ie. in binary, bit 0 is the least significant bit and will only contribute 0 or 1 to the overall number, whereas bit 7 will contribute 0 or 128 to the larger byte.
likewise, switch 0 should affect the LED the least, and switch 7 should affect it the most, no?
My resistors are equal, but I had not noticed that the switches at one end had a greater effect than the switches at the other end. I noticed that some switches had less of an effect, but I figured that this was because the combined effect of using that many switches per LED would not be very significant. What I mean is that you’ll see a big difference going from 1 ON / 7 OFF to 2 ON / 6 OFF, but not such a big difference from 6 ON / 2 OFF to 7 ON / 1 OFF.
Has your section had time to discuss this in class (ours didn’t)? Do you know what the solution is?