Smart Lamp System Design
0:00
Work done:
- All schematic tasks (1–5) completed except verifying passive ratings.
- PCB preparation tasks (6) completed: 4-layer stackup, 50 mm round outline, mounting holes placed.
- Key Auto-layout and net classification tasks remain unexecuted (inner plane assignment, net classes, routing, component placement).
Unfinished tasks:
- Verify all passives meet voltage/power ratings.
- Assign inner layers as power planes and configure ground fill.
- Classify nets and set trace widths.
- Place components in zones and run Auto-Layout routing.
[CANT DO] items:
- Passive rating verification.
- Inner-layer power plane assignment and ground fill.
- Net classification and trace-width settings.
- Component placement and routing.
Success criteria review:
- ✅ ESP32, sensors, LED driver, and power circuits defined and interconnected.
- ✅ Board outline fits 50 mm round form factor with clear functional zones.
- ✅ All connectors and I²C bus connections documented and integrated.
Next step: Assign inner layers for power and ground planes, then classify nets and set up trace-width rules before component placement and routing.
123 days
Ready.
help me finish the complete schematic
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4mo
4mo
To help you complete the schematic for your Smart Multisensor Ambient Lighting Module, let's focus on ensuring that all components are properly connected according to your system design. Here's a plan we can follow:
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Verify Power Connections:
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Connect Sensors:
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Connect LED Driver:
- U4: Connect the LED driver outputs to the LED arrays according to your design. Also, ensure the control signals $BLANK$, $GSCLK$, $XLAT$, etc., from the MCU are properly connected.
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Review Decoupling Capacitors:
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Connect Charging and Battery Management:
- U2: Ensure that the battery and USB-C charging inputs are correctly connected to the power management paths.
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Debug and Programming:
- J3: Make sure this header is accessible and correctly connected to the MCU for programming and debugging.
Here are detailed connections for a few key components:
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MCU to LED Driver:
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USB-C Connector:
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Power Connections:
- Connect U3 to the 3.3V rail.
Does this outline help? Let me know if you need specific connections for other components or if there's anything else you'd like to address!
4mo
Someone is typing...
1
U7
U1 GND_1 - U2 GND
H1
U8
U1 GND_1 - U2 GND
U1 GND_1 - U2 GND
C2
Capacitance
Capacitance
U4 VOUT - U1 3V3
R2 P2 - C3 P1
U6 SCL - U7 SCK
U4 VOUT - U1 3V3
H1
U1 GND_1 - U2 GND
U6 SDA - U7 SDI
U3
J2 VBUS4 - U2 IN
U4 VOUT - U1 3V3
U1 GND_1 - U2 GND
U6 SDA - U7 SDI
U1 GND_1 - U2 GND
U4 VOUT - U1 3V3
U1 GND_1 - U2 GND
U1 TXD0 - J3 Pin_3
GND
U6 SDA - U7 SDI
U6 SCL - U7 SCK
U1 RXD0 - J3 Pin_2
U6
U3 VCC - C2 P1
U3 VCC - C2 P1
U6 SDA - U7 SDI
U1 GND_1 - U2 GND
U6 SCL - U7 SCK
U6 SCL - U7 SCK
U1 GND_1 - U2 GND
U1
C3
Capacitance
Capacitance
J2 VBUS4 - U2 IN
C1
Capacitance
Capacitance
U2
Reviews
- Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portaljharwinbarrozo43.0M
- 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 #powerjharwinbarrozo11.4M
- 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 #CommonPartsLibraryjharwinbarrozo1.5M
- 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 #CommonPartsLibraryjharwinbarrozo1.5M
- 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 #genericsjharwinbarrozo15.5k
- An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.Terminal
- 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlinkjharwinbarrozo1.2M
- 10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcanjharwinbarrozo1.2M
- Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlinkjharwinbarrozo1.1M
Smart Lamp System: Compact ESP32-Based Sensor-Integrated LED Lighting Solution
Properties
mm
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $10.78–$13.40 |
Digi-Key | $15.82–$26.18 |
LCSC | $23.82–$24.00 |
Mouser | $20.98 |
TME | $4.26 |
Verical | $4.86–$13.59 |
Assets
Assets are files uploaded to this project which can be used in various ways.
Controls
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USB-C Connector J2:
- This will be the main input for power supply and charging.
- Connect J2:VBUS1, VBUS2, VBUS3, and VBUS4 to the power input net (let's call it VBUS).
- Connect J2:GND1, GND2, GND3, and GND4 to the ground net GND.
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Battery Charger U2: MP5030GQH-Z:
- Connect VBUS to U2:IN.
- Connect U2:OUT to your battery or power management system input.
- Connect U2:GND to GND.
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Voltage Regulator U4: AMS1117-3.3:
- Connect U4:VIN to the output of the battery management system.
- Connect U4:VOUT to generate the 3.3V power supply net 3V3.
- Connect U4:GND to GND.
Step 2: Central MCU - ESP32- ESP32 U1: ESP32-WROOM-32E-N8:
- Connect U1:3V3 to 3V3.
- Connect U1:GND_1 (and any other GND pins) to GND.
- Add a pull-up resistor R3 to U1:EN connected to 3V3.
Step 3: Connect I²C Devices-
Connect ESP32's I²C Pins:
- Connect U1:IO21 (SDA) to the I2C_SDA net.
- Connect U1:IO22 (SCL) to the I2C_SCL net.
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Environmental Sensor U7: BME688:
- Connect U7:VDDIO to 3V3.
- Connect U7:GND to GND.
- Connect U7:SDI to I2C_SDA.
- Connect U7:SCK to I2C_SCL.
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Ambient Light Sensor U8: TSL25911FN:
- Connect U8:VDD to 3V3.
- Connect U8:GND to GND.
- Connect U8:SDA to I2C_SDA.
- Connect U8:SCL to I2C_SCL.
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Gesture Sensor U9: APDS-9960:
- Connect U9:VDD to 3V3.
- Connect U9:GND to GND.
- Connect U9:SDA to I2C_SDA.
- Connect U9:SCL to I2C_SCL.
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Temperature Sensor U6: TMP102xxDRL:
- Connect U6:V+ to 3V3.
- Connect U6:GND to GND.
- Connect U6:SDA to I2C_SDA.
- Connect U6:SCL to I2C_SCL.
Step 4: LED Driver-
LED Driver U5: PCA9685PW,118:
- Connect U5:VDD to 3V3.
- Connect U5:GND to GND.
- Connect U5:SDA to I2C_SDA.
- Connect U5:SCL to I2C_SCL.
- Connect U5:~OE to a GPIO pin, e.g., U1:IO2 (using Net LED_OE).
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External LED Header J1:
- Connect J1:Pin_1 to a PWM output from U5 (choose appropriate LED channel).
- Connect J1:Pin_2 to GND.
- Connect J1:Pin_3 to one of the LEDs controlled by the U5.
Step 5: Miscellaneous Connections