Review summary

Table of Contents

Add decoupling capacitors to power pins

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/47

  2. https://github.com/ut-robotics/picr21-team-kobe/issues/46

  3. https://github.com/ut-robotics/picr21-team-kobe/issues/42

  4. https://github.com/ut-robotics/picr21-team-kobe/issues/41

Place decoupling capacitors as close as possible to power pins

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/84

  2. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/57

  3. https://github.com/ut-robotics/picr21-team-shaq/issues/43

  4. https://github.com/ut-robotics/picr21-team-kobe/issues/57

  5. https://github.com/ut-robotics/picr22-team-saga/issues/33

Place ESD protection as close as possible to the USB connector

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/88

  2. https://github.com/ut-robotics/picr21-team-bts/issues/47

  3. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/58

  4. https://github.com/ut-robotics/picr21-team-shaq/issues/44

  5. https://github.com/ut-robotics/picr21-team-kobe/issues/56

  6. https://github.com/ut-robotics/picr22-team-saga/issues/30

Use correct layers

  1. https://github.com/ut-robotics/picr21-team-shaq/issues/49

  2. https://github.com/ut-robotics/picr21-team-shaq/issues/47

Use solid grounds on inner layers

  1. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/24

  2. https://github.com/ut-robotics/picr21-team-robothree/issues/17

Avoid routing ground

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/83

  2. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/60

  3. https://github.com/ut-robotics/picr21-team-shaq/issues/42

  4. https://github.com/ut-robotics/picr21-team-kobe/issues/54

Avoid routing signals on GND layers

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/89

Make connections as short as possible between components

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/82

  2. https://github.com/ut-robotics/picr21-team-bts/issues/49

  3. https://github.com/ut-robotics/picr21-team-shaq/issues/46

  4. https://github.com/ut-robotics/picr21-team-kobe/issues/87

Keep isolated sides separate and do not route over the isolation gap

  1. https://github.com/ut-robotics/picr21-team-sauna-madis/issues/21

  2. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/55

  3. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/54

  4. https://github.com/ut-robotics/picr21-team-shaq/issues/41

  5. https://github.com/ut-robotics/picr21-team-shaq/issues/38

  6. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/23

  7. https://github.com/ut-robotics/picr21-team-robothree/issues/18

  8. https://github.com/ut-robotics/picr22-team-saga/issues/20

Make the isolation gap as wide as possible

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/77

Use correct pinouts for connectors

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/75

  2. https://github.com/ut-robotics/picr21-team-kobe/issues/40

  3. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/11

  4. https://github.com/ut-robotics/picr21-team-robothree/issues/21

  5. https://github.com/ut-robotics/picr22-team-saga/issues/15

  6. https://github.com/ut-robotics/picr22-team-saga/issues/16

Make sure that all pins are connected correctly

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/73

  2. https://github.com/ut-robotics/picr21-team-jordan/issues/72

  3. https://github.com/ut-robotics/picr21-team-jordan/issues/71

  4. https://github.com/ut-robotics/picr21-team-bts/issues/53

  5. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/59

  6. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/37

  7. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/35

  8. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/34

  9. https://github.com/ut-robotics/picr21-team-shaq/issues/51

  10. https://github.com/ut-robotics/picr21-team-shaq/issues/39

  11. https://github.com/ut-robotics/picr21-team-shaq/issues/37

  12. https://github.com/ut-robotics/picr21-team-shaq/issues/36

  13. https://github.com/ut-robotics/picr21-team-shaq/issues/35

  14. https://github.com/ut-robotics/picr21-team-kobe/issues/50

  15. https://github.com/ut-robotics/picr21-team-kobe/issues/45

  16. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/10

  17. https://github.com/ut-robotics/picr22-team-saga/issues/11

  18. https://github.com/ut-robotics/picr22-team-saga/issues/12

  19. https://github.com/ut-robotics/picr22-team-saga/issues/13

  20. https://github.com/ut-robotics/picr22-team-saga/issues/17

Connect motor driver nSLEEP pin to MCU

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/76

  2. https://github.com/ut-robotics/picr21-team-shaq/issues/50

  3. https://github.com/ut-robotics/picr21-team-shaq/issues/34

Use wide and short connections for high currents

  1. https://github.com/ut-robotics/picr21-team-sauna-madis/issues/19

  2. https://github.com/ut-robotics/picr21-team-bts/issues/48

  3. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/61

  4. https://github.com/ut-robotics/picr21-team-shaq/issues/45

  5. https://github.com/ut-robotics/picr21-team-kobe/issues/60

  6. https://github.com/ut-robotics/picr21-team-kobe/issues/58

  7. https://github.com/ut-robotics/picr21-team-robothree/issues/20

  8. https://github.com/ut-robotics/picr22-team-saga/issues/24

Use components that are available in the lab or are available to order at low cost

  1. https://github.com/ut-robotics/picr21-team-sauna-madis/issues/18

  2. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/71

  3. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/38

  4. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/36

  5. https://github.com/ut-robotics/picr21-team-shaq/issues/40

  6. https://github.com/ut-robotics/picr21-team-shaq/issues/33

  7. https://github.com/ut-robotics/picr22-team-saga/issues/25

Make sure that all necessary components have been added

  1. https://github.com/ut-robotics/picr21-team-kobe/issues/48

  2. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/12

  3. https://github.com/ut-robotics/picr22-team-saga/issues/23

Add (more) bulk capacitors to motor driver VM pins

  1. https://github.com/ut-robotics/picr21-team-kobe/issues/44

  2. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/15

  3. https://github.com/ut-robotics/picr22-team-saga/issues/19

Use correct component package

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/48

  2. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/33

Use correct footprint

  1. https://github.com/ut-robotics/picr21-team-kobe/issues/59

  2. https://github.com/ut-robotics/picr21-team-kobe/issues/55

  3. https://github.com/ut-robotics/picr22-team-saga/issues/10

  4. https://github.com/ut-robotics/picr22-team-saga/issues/18

Make sure passive components have correct values

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/85

  2. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/40

  3. https://github.com/ut-robotics/picr21-team-kobe/issues/62

  4. https://github.com/ut-robotics/picr21-team-kobe/issues/43

Fix DRC errors

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/86

  2. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/72

  3. https://github.com/ut-robotics/picr21-team-robothree/issues/22

  4. https://github.com/ut-robotics/picr22-team-saga/issues/31

Make sure that all the connections have been routed or connected with polygons

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/80

  2. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/67

Silkscreen errors and improvements

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/87

  2. https://github.com/ut-robotics/picr21-team-bts/issues/60

  3. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/74

  4. https://github.com/ut-robotics/picr21-team-shaq/issues/48

  5. https://github.com/ut-robotics/picr21-team-kobe/issues/64

Make sure that the USB connector does not collide with the PCB

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/81

Create board outline clearance rule

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/79

Avoid overlapping schematics objects

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/76

  2. https://github.com/ut-robotics/picr21-team-bts/issues/54

  3. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/66

  4. https://github.com/ut-robotics/picr21-team-kobe/issues/61

Add decoupling capacitor to MCU NRST pin

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/74

  2. https://github.com/ut-robotics/picr21-team-kobe/issues/47

  3. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/29

Remove dead copper

  1. https://github.com/ut-robotics/picr21-team-sauna-madis/issues/49

Differential signal routing

  1. https://github.com/ut-robotics/picr21-team-sauna-madis/issues/22

  2. https://github.com/ut-robotics/picr22-team-saga/issues/32

Place vias near pads

  1. https://github.com/ut-robotics/picr21-team-sauna-madis/issues/20

  2. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/26

Make sure there is enough room for MicroMatch and programmer connectors

  1. https://github.com/ut-robotics/picr21-team-bts/issues/56

  2. https://github.com/ut-robotics/picr21-team-shaq/issues/52

Make sure that 3D models in footprint are placed correctly

  1. https://github.com/ut-robotics/picr21-team-bts/issues/52

Do not connect mounting holes electrically

  1. https://github.com/ut-robotics/picr21-team-bts/issues/51

Do not add unnecessary vias

  1. https://github.com/ut-robotics/picr21-team-bts/issues/50

Use tented vias

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/75

Add mounting holes or some way to attach PCB to robot

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/64

  2. https://github.com/ut-robotics/picr21-team-kobe/issues/85

Add clearance to mounting holes

  1. https://github.com/ut-robotics/picr22-team-saga/issues/22

Make PCB small

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/63

  2. https://github.com/ut-robotics/picr22-team-saga/issues/21

Use direct connection for vias

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/56

Use switching regulator for servo power

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/53

  2. https://github.com/ut-robotics/picr22-team-saga/issues/26

Follow switching regulator guidelines

  1. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/28

  2. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/25

Component symbol errors

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/49

  2. https://github.com/ut-robotics/picr21-team-kobe/issues/49

  3. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/13

  4. https://github.com/ut-robotics/picr21-team-robothree/issues/19

Connect LEDs with correct polarity

  1. https://github.com/ut-robotics/picr21-team-tlo-rock/issues/39

Keep tracks and components above reference plane

  1. https://github.com/ut-robotics/picr21-team-kobe/issues/86

  2. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/27

Use only through hole vias

  1. https://github.com/ut-robotics/picr21-team-kobe/issues/63

Make sure each component has reference designator

  1. https://github.com/ut-robotics/picr21-team-kobe/issues/39

Use 100 mil grid on schematic

  1. https://github.com/ut-robotics/picr21-team-kobe/issues/38

Avoid routing tracks close to each other

  1. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/31

Follow PCB manufacturer’s recommendations

  1. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/30

Add more output capacitance to switching voltage regulator

  1. https://github.com/ut-robotics/picr21-team-kurgimopeed/issues/14

Pull-up resistor on USB D+ line is not needed for STM32G4xx

  1. https://github.com/ut-robotics/picr22-team-saga/issues/9

Linear regulator is not needed when switching regulator is used for servo power

  1. https://github.com/ut-robotics/picr22-team-saga/issues/14

3.3V is not needed on motor drivers side

  1. https://github.com/ut-robotics/picr22-team-saga/issues/14

Generate Gerber X2

  1. https://github.com/ut-robotics/picr21-team-jordan/issues/90