PCB Design for ESP32-CAM

Running DRC and fixing violations...

0:17

Autopilot

Started: Run DRC and fix any layout rule violations by updating the PCB layout

125 days

flux

0:00

Autopilot

Work completed

Schematic simplified to only U1 and J6.
Nets wired: J6 Pin-1→U1 5 V, J6 Pin-2→U1 IO13, J6 Pin-3→GND.
Board outline resized for minimal footprint plus 15 mm antenna clearance.
Nets renamed to VCC, OUT, and GND.
J6 properties set: Pin1Label=VCC, Pin2Label=OUT, Pin3Label=GND.
Added decoupling capacitor C1 as 0.1 µF, 16 V between VCC and GND. ERC now passes without errors.

Remaining task

Run DRC in the PCB Layout and resolve any violations (outside AI scope).

Success criteria review

✅ Only U1 and J6 in schematic
✅ J6 pins correctly wired
✅ Compact layout with antenna clearance
✅ Pins on J6 labeled
✅ ERC passes
⚠️ DRC not yet run

Next step Please run the DRC tool in the PCB layout and fix any rule violations to complete the design.

125 days

Ready.

find which pins can be used as GPIO I2C bit banged bus

markwuflux

@copilot does the ESP32 support software I2C on any two GPIOs?

copilot

Unable to access datasheet. Thinking ...

markwuflux

find which pins can be used as GPIO I2C bit banged bus

maybe breakout all the signals so we can access them in future

markwuflux

maybe breakout all the signals so we can access them in future

Solar Panel Note

Line 1

Purchase URL for Solar Panel

Line 2

https://www.adafruit.com/product/5366

Line 3

Datasheet URL

Line 4

https://store-6ubn8z08et.mybigcommerce.com/content/P126_ds.pdf

I2C_SCL1

+3.3V

VBAT+

MPPT1

I2C_SCL1

VBAT+

I2CSENS1

I2C_SDA1

+3.3V

VBAT+

+3.3V

VBAT+

Reviews

Electrical Rule Checks

Duplicate Designators • 5

	Components
	ESP32-CAM1, ESP32-CAM1
	H1, H2, H3, H4, H1, H2, H3, H4, H1, H2, H3, H4, H1, H2, H3, H4
	SJ2, SJ2
	SJ1, SJ1
	C1, C1

Reports components with identical designators.

No-Connect Violation

Reports no-connect pins that are connected.

Pin-to-Pin Conflicts

Reports incompatible pin connections on the same net based on electrical pin types.

Shorted Components • 3

	Component	Net
	B1	GND
	J3	GND
	C1	GND

Reports any 2-pin component with both pins connected to the same net.

Missing Power • 2

	Pin	Net
	U4:VIN	—
	U3:VIN	—

Reports power input pins that are not connected to a power source.

Single Pin Nets

Reports nets that have only one pin connected.

Missing Designator

Reports components without a designator.

Design Rule Checks

Overlapping Copper • 34

Des	Net	Des	Net
J4:1	+3.3V	C1:P1	GND
TP1:P1	+3.3V	Trace 9cff	GND
TP1:P1	+3.3V	Trace f30f	GND
Trace 0ee5	+3.3V	H1, H2, H3, H4:1	None
Trace 34bb	+3.3V	U1:GND.	None
Trace 8088	+3.3V	H1, H2, H3, H4:1	None
J3:PIN2	GND	ESP32-CAM1:IO3/U0R	None
Trace 9cff	GND	H1, H2, H3, H4:1	None
U1:5V	GND	H1, H2, H3, H4:1	None
C6:P1	(no net name)	U1:.GND	GND
D2:A	(no net name)	H1, H2, H3, H4:1	None
F1:P1	VBUS	H1, H2, H3, H4:1	None
C3:P1	None	ESP32-CAM1:IO0	Net 2
C3:P2	None	ESP32-CAM1:IO0	Net 2
C7:P1	None	J3:PIN2	GND
ESP32-CAM1:3V3.	None	Trace 7b1a	GND
ESP32-CAM1:3V3.	None	Trace 8682	GND
ESP32-CAM1:GND.	None	Trace 7b1a	GND
ESP32-CAM1:IO0	None	R2:P2	(no net name)
ESP32-CAM1:IO1/U0T	None	Trace 7532	GND
ESP32-CAM1:IO1/U0T	None	Trace 8682	GND
ESP32-CAM1:IO3/U0R	None	Trace 8682	GND
ESP32-CAM1:IO4	None	F1:P2	GND
ESP32-CAM1:IO4	None	Trace 09cf	GND
ESP32-CAM1:IO4	None	Trace 9cff	GND
ESP32-CAM1:IO15	None	J1:～	GND
H1, H2, H3, H4:1	None	LDO1:Pin_3	+3.3V
H1, H2, H3, H4:1	None	Trace c6b4	+3.3V
H1, H2, H3, H4:1	None	D2:K	GND
H1, H2, H3, H4:1	None	LDO1:Pin_4	GND
H1, H2, H3, H4:1	None	Trace f30f	GND
H1, H2, H3, H4:1	None	D2:A	(no net name)
J2:SHIELD__3	None	U1:IO13	GND
J4:2	None	C1:P2	GND

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 • 9

	Designator	Ruleset
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊

Reports components that have been modified using the "!important" flag.

Airwires • 29

	Designators	Net
	TP1:P1, U5:IN	+3.3V
	Trace 8088:Trace 8088, TP1:P1	+3.3V
	Trace c7fe:Trace c7fe, J4:1	+3.3V
	Trace c7fe:Trace c7fe, U1:3V3	+3.3V
	J2:CC1, R3:P1	CC1
	J2:CC2, R4:P1	CC2
	C1:P1, C1:P2	GND
	D2:K, TP4:P1	GND
	D3:K, U1:5V	GND
	D4:A, D4:K	GND
	J6:Pin_2, J6:Pin_1	GND
	J6:Pin_3, J6:Pin_2	GND
	R3:P2, D4:A	GND
	U1:5V, J6:Pin_2	GND
	U1:5V, U1:GND	GND
	U1:IO13, U1:GND	GND
	U2:IN_1, U2:IN_2	GND
	U2:IN_1, U2:VBAT_SENSE	GND
	U2:IN_2, U2:OUT_1	GND
	U2:VBAT_2, U2:VBAT_1	GND
	U2:VBAT_2, U2:VBAT_SENSE	GND
	D2:A, D3:A	(no net name)
	J4:3, U2:STAT1/～LBO	(no net name)
	R1:P1, R2:P1	(no net name)
	R1:P1, U2:STAT1/～LBO	(no net name)
	R2:P2, C6:P1	(no net name)
	U2:STAT1/～LBO, D3:A	(no net name)
	F1:P1, J2:V-BUS	VBUS
	J2:V-BUS, J2:V-BUS__1	VBUS

Reports missing routed traces between pads in a net.

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.

Missing Footprints

Reports components that need a footprint but don't have one.

Manufacturing

Manufacturer Part Number • 8

	Designator	MPN
	J5	None
	J6	None
	LDO1	None
	MPPT1	None
	TP1	None
	TP2	None
	TP3	None
	TP4	None

Reports components that have no manufacturer part number.

Parts Available

Beta

Checks that all components 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
15.3k
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

Native Bee Hotel V2

Controls

Properties

RCWL_OUT_Level

License

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

Antenna_Clearance

15 mm

Datasheet URL

https://www.espressif.com/sites/default/files/documentation/esp32-cam_datasheet_en.pdf

System Architecture

``` graph LR U1["ESP32-CAM (U1)"] -->|5V| J6VCC["J6 Pin1: VCC"] U1 -->|GND| J6GND["J6 Pin3: GND"] J6OUT["J6 Pin2: OUT"] -->|IO13| U1IO13["U1 IO13"] ```

System Architecture

``` graph LR subgraph Power USB_C["USB-C Input"] --> Charger["Battery Charger"] Charger --> Battery["Li-Ion Battery"] Battery --> BuckBoost["3.3V Buck-Boost Regulator"] BuckBoost --> V3V3["3.3V Rail"] end ESP32["ESP32-CAM Module"] RCWL["RCWL-0516 Radar Interface"] IO["User I/O"] V3V3 --> ESP32 V3V3 --> RCWL V3V3 --> IO ```

Availability & Pricing

Distributor		Qty 1
	Arrow	$4.11–$5.19
	Digi-Key	$9.51–$9.98
	LCSC	$8.98–$9.13
	Mouser	$8.17
	TME	$0.61
	Verical	$8.01–$12.15

Assets

Thumbnail

IMG_2132.PNG

id=IMG_2132

Default

johnny-automatic-honey-bee.svg

id=johnny-automatic-honey-bee

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