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electrical/breakouts/ADC/ADC.kicad_sch
Crane-Lee 27bf9cc248 Feat[breakouts]: Fixed some ToDOs
2023-11-28 13:03:11 -05:00

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(text "1. This is the \"earth\" ground symbol, which is actually different to the symbol.\n" (exclude_from_sim no)
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(text "4. Rmb this is a breakout board so u don't actually need to slap an MCU on the board.\nU can just break out the i2c pins (take a look at varit's INA226 breakout board)\nwhich can be connected to a pico or arduino or the \nmany other alternatives we alrdy have. But great job thinking above and beyond!" (exclude_from_sim no)
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(text "5. This is the US symbol for a resistor, we typically use the international resistor\nsymbol. Also, you don't actually need to pull the i2c lines high on a breakout board\nas it will already be pulled high from the master/central side. So you can remove R2 and R3" (exclude_from_sim no)
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(text "7. What's the point of the ADC if it can't take any inputs? You need to break these\npins out (probably with a 1x4 2.54mm header pin) so the chip can actually take in an \nanalog input and convert it." (exclude_from_sim no)
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(text "2. Same as 1 - change to the the corrent GND symbol. Also, the GND symbol typically points towards\nthe bottom so u want to rotate this to point to the bottom" (exclude_from_sim no)
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(text "\"earth\" ground means that electricity is physically connected to the\nearth, so that excess surges of electricity can dissipate. In this case we are referring\nto ground as the common return path for electricity (once your ADC is powered by VDD\nelectricity needs a path to flow back!), so we want to use this symbol." (exclude_from_sim no)
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(text "Crane, this is some great work you've done. I can see you've put a lot of thought\ninto the schematic and payed a lot of attention to the datasheet. I've left some\nfeedback which you can work on. Also, make sure to reference Byran's ADC in his carrier\nschematic, and take a look at the other boards in the breakouts folder to get a better\nsense of what you are doing. Good job!" (exclude_from_sim no)
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(text "6. Okay, you've pulled ADDR low, meaning that you will have one i2c address. But what if \nthere are address collisions between peripherals? What if you need to change the address?\nRead section 8.5 (pages 18-19) of your datasheet and see if you can provide alternative\naddresses using jumpers (look at varit's INA226 board)" (exclude_from_sim no)
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(text "I don't really understand step 5. I know that the SDA line transmits data and the SCL \ngives out clock signals. However, I don't know how to incorporate that into the board. \nDo I connect it all to one resistor?" (exclude_from_sim no)
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