diff --git a/Pramod/Comments.txt b/Pramod/Comments.txt new file mode 100644 index 0000000..17e80f0 --- /dev/null +++ b/Pramod/Comments.txt @@ -0,0 +1,29 @@ +Name Pramod Reddy + +1. Question text: +Amonia Sensor + +2. Design summary: + Fairly well written. + Your worst case design is ok. + Could have added a calibration step / method to calibrate at known gas conc. + What happens if there is a problem with the sensor? The clean air level + should fall below 2mV and that should trigger a different warning/alarm also. + +3. Block diagram + +4. Power supply design + +5. Industrial Design: + +6. KICAD Design + Schematic: + Circuit design is ok overall. Could have added more functionality + + PCB: + Layout is too loose. + Transformer need not be board mounted - too much weight. + If all your components are SMD layout could be tighter. + +7. Pricing / BOM / Assembly + Final prixing?