Perform a analysis of the provided schematic for r...

ryanf

ryanf

Perform a analysis of the provided schematic for real, schematic-level design issues.
Your review should include, but not be limited to:
Electrical and Logical Issues
  • Incorrect net connections or floating nets
  • Incorrect or missing pin assignments
  • Connectivity errors across schematic sections
Component-Level Review
  • Missing or misplaced components
  • Absence or incorrect placement of decoupling capacitors
  • Incorrect or missing pull-up/pull-down resistors
  • Absence of current limiting resistors on LEDs or other sensitive components
Power and Signal Integrity
  • Inadequate power distribution (missing bypass paths, star grounding, etc.)
  • Potential signal integrity issues (improper termination, excessive trace length without buffering, etc.)
Schematic Best Practices
  • Incorrect or inconsistent net labeling
  • Lack of annotation for key nets or nodes
  • Confusing or ambiguous signal flow
Instructions
  • Do not speculate or provide hypothetical examples.
  • Focus only on issues observed directly in the provided schematic.
  • Offer actionable corrections and design optimizations where appropriate.
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U4
Manufacturer Part Number
ESP32-S3-WROOM-1-N8R8
U5
Manufacturer Part Number
MAX98357AETE+T
R12
Resistance
1k Ω
U3
Manufacturer Part Number
NAU7802SGI
U1
PP3V3_SD
SW1
C7
Capacitance
22p F
SDIO_CLX
C12
Capacitance
10u F
I2S_MAX_SD_MODE
J13
Part Type
MISC Power Out
PP4V5_NAU_LDO
R33
Resistance
4.7k Ω
SDIO_CMD
PP5V0
SDIO_CLX
J15
Part Type
MISC I2C Out
R5
Resistance
10k Ω
C25
Capacitance
1u F
LOAD_SW_NAU
SDIO_DAT2
R22
Resistance
10k Ω
C31
Capacitance
1u F
SDIO_DAT3
I2C_SDA
INT_ADC_DRDY
PP3V3
RESET_WW
PP3V3
MISC_GPIO0_A2
MISC_GPIO0_A1
R34
Resistance
10k Ω
I2C_SCL
R26
Resistance
10k Ω
PP4V5_NAU_LDO
DIODE_SNUB
MISC_GPIO0_A4
R31
Resistance
1k Ω
LOAD_SW_SD
INT_ADC_DRDY
SDIO_DAT2
LOAD_CELL_A2_N
I2S_MAX_BCK
UART_TXD0
LOAD_CELL_A1_P
MISC_GPIO0_A3
C27
Capacitance
1u F
PP5V0
I2C_SDA
C8
Capacitance
1u F
USBC2.0_D_P
SDIO_DAT1
MISC_GPIO0_A4
C13
Capacitance
1u F
PP5V0
RESET_CW
I2C_SDA
LOAD_CELL_PTC_A2
SDIO_DAT2
PP5V0_MAX
C32
Capacitance
10u F
R32
Resistance
1k Ω
LOAD_CELL_A1_P
MISC_GPIO0_A5
C29
Capacitance
.1u F
MISC_GPIO0_A0
LOAD_CELL_A1_N
PP3V3
I2S_MAX_SD_MODE
I2S_MAX_DATA
CONTROL_WW
R3
Resistance
10k Ω
MISC_GPIO0_A6
MISC_GPIO0_A2
C9
Capacitance
1u F
R23
Resistance
10k Ω
SDIO_CLX
R6
Resistance
10k Ω
I2C_SDA
SDIO_DAT1
C23
Capacitance
1u F
SDIO_DAT1
R28
Resistance
500 Ω
I2S_MAX_GAIN
R2
Resistance
1M Ω
MISC_GPIO0_A3
R19
Resistance
10k Ω
SDIO_DAT0
SDIO_DAT0
PP5V0
PP5V0_NAU
J14
Part Type
MISC GPIO Out
LOAD_CELL_A2_P
SDIO_CMD
PP3V3
C28
Capacitance
.1u F
GPIO_HEATER_RELAY
RESET_CW
R21
Resistance
10k Ω
C10
Capacitance
10u F
SDIO_DAT0
MISC_GPIO0_A1
PP5V0_NAU
C6
Capacitance
22p F
PP3V3
PP5V0
USBC2.0_D_N_TVS
C22
Capacitance
10u F
R17
Resistance
10k Ω
GPIO_HEATER_RELAY
LOAD_CELL_PTC_A1
R14
Resistance
5.1k Ω
PP5V0
R20
Resistance
10k Ω
I2C_SCL
PP5V0_VBUS
MISC_GPIO0_A6
LOAD_CELL_A2_P
LOAD_CELL_A1_N
PP5V0
I2S_MAX_BCK
RESET_WW
I2C_SCL
PP3V3_SD
PP3V3
MISC_GPIO0_A5
R25
Resistance
10k Ω
I2S_MAX_LRCK
DIODE_SNUB
UART_RXD0
LOAD_SW_MAX
SDIO_DAT3
R4
Resistance
10k Ω
LOAD_CELL_A2_N
C14
Capacitance
.1u F
LOAD_SW_NAU
I2S_MAX_LRCK
PP3V3
SDIO_CMD
LOAD_SW_SD
USBC2.0_D_N_TVS
I2S_MAX_DATA
LOAD_SW_MAX
USBC2.0_D_N
SDIO_DAT3
R18
Resistance
10k Ω
C19
Capacitance
1u F
MISC_GPIO0_A0
I2C_SCL
SW2
PP3V3_SD
USBC2.0_D_P_TVS
UART_RXD0
I2S_MAX_GAIN
UART_TXD0
USBC2.0_D_P_TVS
R13
Resistance
10K Ω
U7
C24
Capacitance
22u F
TP_I2S_PCM_LRCK
IC3
IC1
J7
K2
Q5
C4
Capacitance
22u F
J12
R15
Resistance
52.3k Ω
J2
C5
Capacitance
22u F
TP_I2S_PCM_SCK
LED2
TP_I2S_MAX_DATA
C21
Capacitance
22u F
H3
Q1
Not Recommended for New Designs
LED1
TP_I2C_SDA
TP_I2C_SCL
H2
H4
TP_I2S_MAX_BCK
C20
Capacitance
22u F
IC2
H1
L2
Not Recommended for New Designs
Note 1
Line 1
fdsfsdf sdf
R1
Resistance
10k Ω
Q2
D1
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
    43.0M
  • Power Net Portal
    Power Net Portal
    Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
    jharwinbarrozo
    11.4M
  • Generic Resistor
    Generic Resistor
    A generic fixed resistor for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Capacitor
    Generic Capacitor
    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF 10pF 100pF 1000pF 0.01uF 0.1uF 1.0uF 10uF 100uF 1000uF 10,000uF 1.1pF 11pF 110pF 1100pF 1.2pF 12pF 120pF 1200pF 1.3pF 13pF 130pF 1300pF 1.5pF 15pF 150pF 1500pF 0.015uF 0.15uF 1.5uF 15uF 150uF 1500uF 1.6pF 16pF 160pF 1600pF 1.8pF 18pF 180pF 1800pF 2.0pF 20pF 200pF 2000pF 2.2pF 22pF 20pF 2200pF 0.022uF 0.22uF 2.2uF 22uF 220uF 2200uF 2.4pF 24pF 240pF 2400pF 2.7pF 27pF 270pF 2700pF 3.0pF 30pF 300pF 3000pF 3.3pF 33pF 330pF 3300pF 0.033uF 0.33uF 3.3uF 33uF 330uF 3300uF 3.6pF 36pF 360pF 3600pF 3.9pF 39pF 390pF 3900pF 4.3pF 43pF 430pF 4300pF 4.7pF 47pF 470pF 4700pF 0.047uF 0.47uF 4.7uF 47uF 470uF 4700uF 5.1pF 51pF 510pF 5100pF 5.6pF 56pF 560pF 5600pF 6.2pF 62pF 620pF 6200pF 6.8pF 68pF 680pF 6800pF 0.068uF 0.68uF 6.8uF 68uF 680uF 6800uF 7.5pF 75pF 750pF 7500pF 8.2pF 82pF 820pF 8200pF 9.1pF 91pF 910pF 9100pF #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Inductor
    Generic Inductor
    A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #generics
    jharwinbarrozo
    15.4k
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • RMCF0805JT47K0
    RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
    jharwinbarrozo
    1.1M

Inspect

Coffee Waker Main HQ W/ Module V5.0.1 57d8

Coffee Waker Main HQ W/ Module V5.0.1 57d8
Description

Created
Last updated by ryanf
1 Contributor(s)
ryanf

Controls

Properties

Availability & Pricing

DistributorQty 1
Arrow$3.42–$4.39
Digi-Key$9.05–$11.82
LCSC$9.37–$10.40
Mouser$17.24
TME$1.36
Verical$2.29–$78.99

Assets