Schematic Symbol for ESP32-C3-WROOM-02U Module: This is a module...

Chat

Welcome to Flux

Treat Flux like your intern. Tell it what you'd like to build and it'll get to work. You can also ask it questions, brainstorm ideas, and teach it your preferences. Learn More

Explain project

Write a project description

Find schematic issues

Create a test plan

Recommend similar parts

Ready.

are there any issues in this project?

dev28

@copilot are there any issues in this project?

copilot

Let's perform a quick overview of your project and the connections. Here are some initial checks and observations:

Schematic Components and Connections

Power Supply:
- Make sure the ESP32 module’s power pins are correctly connected to a regulated 3.3V supply.
- Ensure that the ground connections are correctly made.
Decoupling Capacitors:
- Check that decoupling capacitors (typically 0.1uF and 10uF) are placed close to the power pins of the ESP32-C3-WROOM-02U module. It seems you have some capacitors in place ($C1$ - 3.3nF), but confirm if other recommended values are also covered.
USB Interface:
- Ensure the USB D+ and D- lines ($USB_D+$, $USB_D-$) are correctly connected to the related pins on the USB connector ($J1$: DP1, DP2, DN1, and DN2).
- Check that the USB VBUS (5V) is correctly connected and has overcurrent protection if necessary.
LED Connections:
- The RGB LED ($LED1$) should have its anode connected to 3.3V ($3V3$), and the cathodes through the resistors ($R6$, $R7$, $R8$) to corresponding IOs. Ensure correct current-limiting resistor values.
Boot and Enable Pins:
- Confirm that the boot ($ESP_BOOT$) and enable ($ESP_EN$) pins are correctly wired with resistors and switches ($SW1$, $SW2$) as necessary.

Net and Component Mapping

Let's examine a few connections to ensure there are no miswires, starting with the ESP32 module:

Power and Ground Connections:
- Connect $U2:3V3$ to $3V3:P1$.
- Connect $U2:GND$ to $GND:P1$.
- Ensure all GND pins ($U2:GND$, $U2:GND__n$) are connected to the ground net.
USB Data Lines:
- Connect $J1:DP1$ and $J1:DP2$ to $USB_D+:P1$.
- Connect $J1:DN1$ and $J1:DN2$ to $USB_D-:P1$.
Control Pins:
- Connect $SW1:~1$, $SW1:~3$, and $U2:IO9$ ($ESP_BOOT$).
- Connect $SW2:~1$, $SW2:~3$, and $U2:EN$ ($ESP_EN$).

Suggestions:

Check Power Input:
- Ensure protection (like a diode) to protect against reverse voltage if using an external power supply.
Update Missing Values:
- Ensure all component values are provided, such as missing resistances for $R1$ and $R4$.
Examine and Optimize Placement:
- Evaluate the placement of components to minimize noise and ensure optimal function, especially capacitors near the power pins.
Testing Connections:
- Simulate the circuit to verify the connections and expected operation.

Let's address these areas for a comprehensive check. You can correct my assumptions and add any missing information based on this guideline.

Someone is typing...

3V3

ESP_EN

IO1

3V3

+5V

ESP_EN

ESP_BOOT

Capacitance

3.3n F

GND

IO8

ESP_EN

IO7

IO0

SW1

Capacitance

10u F

SW2

3V3

IO10

IO1

Resistance

220 Ω

IO2

+5V

USB_D-

Resistance

U0RXD

Capacitance

22u F

IO10

Capacitance

1u F

ESP_BOOT

IO7

U0TXD

IO10

U0RXD

Resistance

5.1K Ω

IO6

Resistance

USB_D+

IO1

Resistance

100K Ω

IO0

IO5

IO4

USB_D+

Inductance

2.2u H

IO7

IO6

IO5

IO0

IO8

ESP_EN

GND

3.3V

IO2

IO4

IO6

LED1

Resistance

220 Ω

IO5

+5V

USB_D+

IC1

IO3

Capacitance

10u F

Resistance

220 Ω

+5V

Resistance

5.1K Ω

3V3

Capacitance

0.1u F

R10

Resistance

10K Ω

IO4

IO3

USB_D-

IO3

USB_D-

Resistance

10K Ω

IO10

U0TXD

Reviews

Electrical Rule Checks

Missing Footprints

Reports parts that have no footprint.

Design Rule Checks

Overlapping Copper • 32

Des	Net	Des	Net
Trace 29f0	GND	IC1:cd342de7	None
Trace 34e5	GND	IC1:cd342de7	None
Trace 34e5	GND	IC1:cd342de7	None
Trace 34e5	GND	IC1:cd342de7	None
Trace 34e5	GND	IC1:cd342de7	None
Trace 322d	GND	U2:GND	None
Trace b8c6	GND	IC1:cd342de7	None
Trace 0cd2	Net 1	IC1:PVIN	None
Trace 0e3a	Net 1	IC1:PVIN	None
Trace 5b3e	Net 1	IC1:PVIN	None
Trace 7a7d	Net 1	IC1:PVIN	None
Trace 0862	Net 1	IC1:PVIN	None
Trace 44c5	Net 10	IC1:SW	None
Trace 44c5	Net 10	IC1:SW	None
Trace 66d1	Net 10	IC1:SW	None
Trace 83aa	Net 10	IC1:SW	None
Trace 8642	Net 10	IC1:SW	None
Trace a8b3	Net 10	IC1:SW	None
Trace a190	Net 10	IC1:SW	None
Trace a190	Net 10	IC1:SW	None
IC1:cd342de7	None	IC1:EP	GND
IC1:cd342de7	None	IC1:EP	GND
IC1:cd342de7	None	IC1:EP	GND
IC1:cd342de7	None	IC1:EP	GND
IC1:cd342de7	None	Trace f37c	GND
IC1:cd342de7	None	Trace f37c	GND
IC1:cd342de7	None	Trace f37c	GND
IC1:cd342de7	None	Trace f37c	GND
IC1:PVIN	None	Trace fecb	Net 1
U2:3V3	None	Trace ce5d	Net 2
U2:3V3	None	Trace fa61	Net 2
U2:GND__17	None	Trace f473	GND

Invalid Layer

Reports nodes that are assigned to a layer that doesn't exist in the layout stackup.

Component Overrides • 12

	Designator	Ruleset
	＊｀REF｀＊	J1
	＊｀REF｀＊	C3
	＊｀REF｀＊	R9
	＊｀REF｀＊	C4
	＊｀REF｀＊	C1
	＊｀REF｀＊	R1
	＊｀REF｀＊	R7
	＊｀REF｀＊	R5
	＊｀REF｀＊	C2
	＊｀REF｀＊	R4
	＊｀REF｀＊	C5
	＊｀VALUE｀＊	L1 value

Airwires • 2

	Designators	Net
	C1:P2, C5:P1	GND
	Trace b5ab:Trace b5ab, C5:P1	GND

Deprecated Rules

Reports nodes that are using rules that are not supported anymore.

Layers with Multiple Fills

Reports layers that have multiple copper fills of different nets. Make sure the Connected Layers rule value of nets with fills is valid.

Floating Copper

Detect any via, trace or copper fill island that is not connected to any net.

Protected Intrusions

Reports intrusions from objects of other nets into polygons or fills that have the Protected layout rule applied.

Manufacturing

Manufacturer Part Number • 17

	Designator	MPN
	C1	None
	C2	None
	C3	None
	C4	None
	C5	None
	C6	None
	L1	None
	R1	None
	R2	None
	R3	None
	R4	None
	R5	None
	R6	None
	R7	None
	R8	None
	R9	None
	R10	None

Parts Available

Beta

Checks that all parts have a part number and are available from distributors.

System Checks

Auto-Layout

Beta

Reports issues with Auto-Layout if Flux cannot route something or must ignore a configuration.

Passive Components

Resistor Power Rating

Beta

Checks that the power traveling across a given resistor is under its rating with 50% headroom.

Learn more

Pull Up/Pull Down Presence

Beta

Checks that IC pins that require pull up or pull down resistors have them.

Learn more

Capacitor Voltage Rating

Beta

Checks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.

Ground
A common return path for electric current. Commonly known as ground.
jharwinbarrozo
20.5M
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
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
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
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
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
15.1k
Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
RMCF0805JT47K0
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
jharwinbarrozo
1.2M
875105359001
10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
jharwinbarrozo
1.2M
CTL1206FYW1T
Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
jharwinbarrozo
1.1M