Schematic for WiFi to IR Gateway Reference Design bN3H ntGi 4b20:...

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

Ready.

are there any issues in this project?

jon40000

@copilot are there any issues in this project?

copilot

To ensure the design is robust, I'll go through a few key checks:

Power Supply:
- Ensure the voltage regulators are correctly connected: $U2$ outputs 3.3V to the 3.3V net.
- Ensure all devices receive their required voltage: $U1$ , $U3$ , and $U4$ .
Ground Connections:
- Verify all components needing ground are connected correctly to the GND net, especially for critical components like $U1$ , $U2$ , $J1$ , etc.
Pin Configuration for MCU:
- Confirm that $U1$ (ESP32-S3) pins are correctly assigned for their intended functionalities, such as:
  - GPIOs designated for LEDs ( $LED1$ (Red), $LED_R$ , $LED_B$ , and $LED_G$ ).
  - GPIOs designated for IR communications ( $U3$ ).
Decoupling Capacitors:
- Confirm you've placed enough decoupling capacitors. For the ESP32, ensure there's at least one 0.1µF capacitor close to the power pins (e.g., $C6$ ).
Pull-up/Pull-down Resistors:
- Checking that boot and reset components and their resistors are in place will help ensure the ESP32 boots correctly:
  - Pull-up resistor on the $EN$ pin.
  - ESP32_BOOT ( $SW1$ ) and pull-down resistors.
IR LED Configuration:
- Ensure that the connections for $LED_IR$ are correctly managed with proper current limiting resistors.

Electrical Connection Examples

Power Supply Connections:
- Connect $U2:VOUT$ to $3V3$ .
- Connect $U2:GND$ to $GND$ .
LED Connections:
- Connect $R6:2$ to $LED3:R$ .
- Connect $R7:2$ to $LED3:B$ .
- Connect $R8:2$ to $LED3:G$ .
IR LED Configuration:
- Connect $R2:P1$ to $LED_IR:P1$ .

Would you like me to delve into a specific area in more detail?

list all ICs and the decoupling capacitors attached to each. Ensure to include a...

jon40000

@copilot list all ICs and the decoupling capacitors attached to each. Ensure to include all ICs present in the design, including digital ICs, power converters, LDOs, etc. For every IC, clearly state:

What power net the decoupling capacitors are attached to. What is the stated voltage of that net.
The voltage rating and value of the attached decoupling capacitors.
Signal with the expression “[WARNING]” if any of the following conditions are met: no decoupling capacitors are attached; the voltage of the power net is higher than the voltage rating of the capacitor; No voltage range was stated for the capacitor. Give a separate “[WARNING]” for each condition. Signal with the expression “[OK]” if none of those conditions are met
Express the result in a markdown-formatted table

copilot

Below is a markdown-formatted table listing the ICs, their decoupling capacitors, and their respective details as requested.

Table

IC Designator	Power Net	Net Voltage	Decoupling Capacitors	Capacitor Value	Capacitor Voltage Rating	Status
U2 $(\text{AMS1117-3.3})$	Net 9 (5V)	5V	C1, C3	10uF, 1uF	Not stated	[WARNING] No voltage rating stated
U1 $(\text{ESP32-S3-MINI-1U-N8})$	Net 1 (3V3)	3.3V	C2, C4, C8, C7	10uF, 1uF, 1uF, 1uF	Not stated	[WARNING] No voltage rating stated
U3 $(\text{TSOP4838})$	Net 1 (3V3)	3.3V	None	-	-	[WARNING] No decoupling capacitors attached
U4 $(\text{DHT22-AM2302})$	Net 1 (3V3)	3.3V	None	-	-	[WARNING] No decoupling capacitors attached

Assumptions

U2 $(\text{AMS1117-3.3})$ has attached capacitors as per figure in the datasheet [1]
No voltage ratings provided for decoupling capacitors [2]

Each warning is a separate issue:

Decoupling capacitors attached.
No stated capacitor voltage rating means the potential danger of being underrated.

Please review and add the necessary voltage ratings for capacitors or attach decoupling caps where necessary.

[1] Page 4

[2] Page 4

3V3

USB_N_ESP

U3 GND - J1 GND

CC1

USB_P_ESP

3V3

Reviews

Electrical Rule Checks

Missing Footprints

Reports parts that have no footprint.

Design Rule Checks

Overlapping Copper

Reports copper elements that are shorting.

Invalid Layer

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

Component Overrides • 4

	Designator	Ruleset
	＊｀REF｀＊	C6
	＊｀REF｀＊	R8
	＊｀REF｀＊	R7
	＊｀REF｀＊	R6

Airwires • 4

	Designators	Net
	Trace ccfd:Trace ccfd, J1:GND	GND
	LED2:A, U3:V+	Net 1
	Trace d34c:Trace d34c, U4:VCC	Net 1
	U1:IO9, U3:OUT	Net 15

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 • 3

	Name
	Trace 0fa7
	Trace e9ca
	Trace 18af

Protected Intrusions

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

Manufacturing

Manufacturer Part Number • 18

	Designator	MPN
	C1	None
	C2	None
	C3	None
	C4	None
	C5	None
	C6	None
	C7	None
	C8	None
	LED1	None
	LED2	None
	R1	None
	R2	None
	R3	None
	R4	None
	R5	None
	R6	None
	R7	None
	R8	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

Inspect

WiFi to IR Gateway Reference Design bN3H ntGi 4b20

Controls

Properties

License

https://creativecommons.org/licenses/by/4.0/

Availability & Pricing

Distributor		Qty 1
	Arrow	$0.64–$1.18
	Digi-Key	$4.84–$5.85
	LCSC	$4.88–$4.97
	Mouser	$5.16
	Verical	$0.59–$0.89

Assets

Thumbnail

WiFi to IR Gateway Reference Design.png

id=WiFi to IR Gateway Reference Design

Welcome 👋

Flux helps you build PCBs faster with an AI teammate!

Create your account to collaborate, stay updated, fork your own version, and get instant answers from our AI agent.