• Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
  • Ground
    A common return path for electric current. Commonly known as ground.
  • Net Portal
    A net identifier used to create connectivity to other Net Portal with the same designator. #portal
  • Power Net Portal
    Power net portal is a special schematic object used to define a power or ground net. Power ports allow you to conveniently indicate a power net at any location in the design. Power nets of the same designator automatically connect throughout your design #portal #power
  • 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
  • Generic Capacitor
    A generic fixed capacitor 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 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
  • 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
  • RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
  • 875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
  • CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
please explain what TOUCH4\_GPIO4\_A3\_D3 does.

@copilot please explain what TOUCH4_GPIO4_A3_D3 does.
1y
Based on the name and usual conventions, "TOUCH4_GPIO4_A3_D3" seems to be a multi-functional pin on the Seeed Studio XIAO ESP32S3 device.
  1. "TOUCH4": Indicates that it can function as capacitive touch input number 4. Capacitive touch functionality allows the device to sense touch without needing physical pressure. Primarily used in touch-interface devices (e.g. touchscreens).
  2. "GPIO4": Suggests this is General Purpose Input/Output (GPIO) pin number 4. GPIO pins can be programmed to either send (output mode) or receive (input mode) digital signals.
  3. "A3": Usually represents,"Analog input channel 3". Analog inputs read voltage levels and usually connect to sensors or similar devices.
  4. "D3": Typically implies "Digital I/O pin number 3". Digital I/Os are used for communication with other digital circuits.
It's important to note that you can only use one function of the pin at a time, and the pin's function is assigned programmatically.
Remember to check the specific device's datasheet or documentation to confirm the specific properties and capabilities of each pin.
1y
Someone is typing...
TOUCH3_GPIO3_A2_D2
TOUCH5_GPIO5_SDA_A4_D4
TOUCH1_GPIO1_A0_D0
TOUCH2_GPIO2_A1_D1
GND
D7_RX_GPIO44
GPIO43_TX_D6
D8_A8_SCK_GPIO7_TOUCH7
D9_A9_MISO_GPIO8_TOUCH8
D10_A10_MOSI_GPIO9_TOUCH9
TOUCH4_GPIO4_A3_D3
3V3
TOUCH6_GPIO6_SCL_A5_D5
5V

Seeed Studio XIAO ESP32S3

Seeed Studio XIAO ESP32S3
Description

Created
November 7th 2023
Last updated by jharwinbarrozo
a year ago
2 Contributor(s)
jharwinbarrozo
emptydonkey

Controls

Properties

Availability & Pricing

DPNStockQty 1
11.3K$7.49
1393$7.49
10$8.2231
223–192$5.87–$6.946
123$6.946

Assets

Simulation

µs

Simulation Speed

I need a round PCB board to connect this ESP32S3 with correct pin outs. SCD40 Ga...
@copilot I need a round PCB board to connect this ESP32S3 with correct pin outs. SCD40 Gas Sensor Module Detects CO2 CO2 Temperature and Humidityand TSL2561 for light sensitivity
15d
To design a round PCB board for this project, you'll need to consider the following connections and components:
  1. ESP32S3 (Seeed Studio XIAO ESP32S3): This will be the main controller.
  2. SCD40 Gas Sensor Module: This sensor will detect CO2, temperature, and humidity.
  3. TSL2561 Light Sensor: This sensor will be used for light sensitivity measurements.
Assumptions:
  • The SCD40 Gas Sensor and TSL2561 Light Sensor will be connected using common communication interfaces like I2C (as both sensors typically support I2C communication).
  • SCD40 usually requires 3.3V for operation, same with TSL2561.
  • General I2C pins on the Seeed Studio XIAO ESP32S3 will be used for communication.
Suggested Connections:
  1. Power Connections:
    • Connect SCD40:VCC to 3V33V3.
    • Connect TSL2561:VCC to 3V33V3.
    • Connect SCD40:GND to GNDGND.
    • Connect TSL2561:GND to GNDGND.
  2. I2C Communication Lines:
    • Connect SCD40:SDA to TOUCH5_GPIO5_SDA_A4_D4TOUCH5\_GPIO5\_SDA\_A4\_D4.
    • Connect SCD40:SCL to TOUCH6_GPIO6_SCL_A5_D5TOUCH6\_GPIO6\_SCL\_A5\_D5.
    • Connect TSL2561:SDA to the same TOUCH5_GPIO5_SDA_A4_D4TOUCH5\_GPIO5\_SDA\_A4\_D4.
    • Connect TSL2561:SCL to the same TOUCH6_GPIO6_SCL_A5_D5TOUCH6\_GPIO6\_SCL\_A5\_D5.
  3. Other Necessary Connections:
    • Any additional pins that may be required for interrupts or further functionality can also be considered, depending on your specific use case for these sensors.
PCB Design Considerations:
  • Ensure that the traces for SDA and SCL are short and the pull-up resistors are properly sized (typically between 1.8kΩ - 4.7kΩ).
  • The round shape of the PCB can be set in the dimension settings in Flux.
  • Consider positioning the ESP32S3 and sensors in a way that ensures minimal trace cross-over and optimal layout efficiency.
15d
Please proceed with those suggestions
15d
Great! Let's move forward with designing your round PCB based on the suggestions:
Steps to Implement the Design:
  1. Set Up the PCB Layout:
    • In Flux, configure the board shape to be round. This can typically be done by setting the board boundary in a circular form, with a desired diameter based on your physical constraints.
  2. Place Components:
    • Place the Seeed Studio XIAO ESP32S3 at the center or edge of the board for easy access to connectors.
    • Place the SCD40 and TSL2561 sensors nearby, ensuring there's enough space for traces and avoiding potential interference.
  3. Route Power and Ground Connections:
    • Power and ground traces should be wide enough to handle the current. Generally, keep traces short and direct.
    • Add vias to connect ground planes on different layers if necessary.
  4. Route I2C Communication Lines:
    • Connect the I2C lines from the ESP32S3 to the SCD40 and TSL2561:
      • Connect $TOUCH5_GPIO5_SDA_A4_D4$ to both SCD40:SDA and TSL2561:SDA.
      • Connect $TOUCH6_GPIO6_SCL_A5_D5$ to both SCD40:SCL and TSL2561:SCL.
    • Ensure that you have pull-up resistors on the SDA and SCL lines.
  5. Finalize the Design:
    • Double-check all connections against the schematic and ensure no shorts or unconnected traces.
    • Perform a design rule check (DRC) to validate the PCB layout.
  6. Review and Export:
    • Once verified, you can generate the Gerber files for manufacturing.
    • Don’t forget to review the board outlines and any mechanical considerations like mounting holes or cutouts.
Additional Considerations:
  • You’ll need to add headers or connectors for interfacing with other devices if required.
  • Consider thermal management and component heat dissipation, especially if your design is in a constrained environment.
Please let me know if you need help with any specific step or further assistance with Flux!
15d
Please create the schematic base on this conversation
15d
To create a schematic for this project, we'll outline the core connections for the Seeed Studio XIAO ESP32S3, SCD40 gas sensor, and TSL2561 light sensor based on I2C communication.
Let's break down the schematic creation into logical sections:
  1. ESP32S3 Microcontroller Connections:
    • Power and Ground
    • I2C SDA and SCL lines
  2. Sensors (SCD40 and TSL2561):
    • Power and Ground
    • Shared I2C Communication Lines
Schematic Details:
  • ESP32S3 Microcontroller:
    • 3V3 to Power Pins: Connect 3V33V3 to the VCC pins of both sensors.
    • GND to Ground Pins: Connect GNDGND to the GND pins of both sensors.
  • I2C Communication:
    • SDA Line: Connect TOUCH5_GPIO5_SDA_A4_D4TOUCH5\_GPIO5\_SDA\_A4\_D4 to both SCD40:SDA and TSL2561:SDA.
    • SCL Line: Connect TOUCH6_GPIO6_SCL_A5_D5TOUCH6\_GPIO6\_SCL\_A5\_D5 to both SCD40:SCL and TSL2561:SCL.
    • Add pull-up resistors on the SDA and SCL lines if not included on the sensor modules.
Schematic Diagram (Textual Representation):
ESP32S3                  SCD40
---------                -----
$3V3$ -----------------> $VCC$
$GND$ -----------------> $GND$
$SDA$ -----------------> $SDA$
$SCL$ -----------------> $SCL$

ESP32S3                  TSL2561
---------                -------
$3V3$ -----------------> $VCC$
$GND$ -----------------> $GND$
$SDA$ -----------------> $SDA$
$SCL$ -----------------> $SCL$
This layout forms the backbone of your board's schematic. Ensure that the resistors are correctly placed and that any additional components (such as bypass capacitors as recommended by sensor datasheets) are added as needed.
Next steps in Flux:
  • Use Flux's schematic editor to draw out the components and make the connections following the structure above.
  • Validate each connection to prevent any mistakes before progressing to PCB layout.
You can use this as a guideline to construct your schematic in Flux. Let me know if there's anything else you'd like to add or modify!
15d
can you create the schematic drawing in flux
15d
I don't have the ability to directly create or manipulate drawings in Flux for you, but I can guide you through the process of creating the schematic using the Flux platform. Here's a step-by-step guide for you to follow within Flux:
Step-by-Step Guide to Creating the Schematic in Flux:
  1. Open Flux and Create a New Project:
    • Launch the Flux platform and create a new project.
  2. Import Components:
  3. Place Components on the Schematic:
    • Drag the ESP32S3, SCD40, and TSL2561 into the schematic workspace and arrange them logically for easy readability.
  4. Make Connections:
    • Power Connections:
      • Connect the 3.3V pin ($3V3$) of the ESP32S3 to the VCC pins of both the SCD40 and TSL2561.
      • Connect the GND pin to the ground pins (GND) of both sensors.
    • I2C Connections:
      • Connect $TOUCH5_GPIO5_SDA_A4_D4$ of the ESP32S3 to the SDA pins of both the SCD40 and TSL2561.
      • Connect $TOUCH6_GPIO6_SCL_A5_D5$ of the ESP32S3 to the SCL pins of both the SCD40 and TSL2561.
      • Add pull-up resistors (typically 2.2kΩ to 4.7kΩ) between SDA and SCL lines and the VCC line if needed.
  5. Add Additional Components:
    • If required, add any bypass capacitors or other components as suggested by sensor datasheets.
  6. Finalize and Validate:
    • Double check each connection to ensure they're correctly mapped as outlined.
    • Run the schematic through the design rule checking to catch any potential issues.
Tips:
  • Use labels to name the nets, which improves readability in the schematic.
  • Ensure all components' footprints are correctly assigned for PCB layout later on.
By following these steps in the Flux platform, you should be able to create a comprehensive schematic for your project. If you run into any issues or need advice on a specific part of the schematic, feel free to ask!
15d
can you add an external battery connection
15d
Certainly! For adding an external battery connection to your schematic with the ESP32S3, you'll need to consider a few key components and connections. Typically, a lithium-ion or lithium-polymer battery could be used.
Components Needed:
  1. Battery Connector: A 2-pin JST connector is common for battery connections.
  2. Protection Circuit: Optional but recommended to protect against overcharging and discharging.
  3. Charging IC: This might be built into the ESP32S3 module, but double-check the datasheet.
Suggested Connections:
  1. Battery Connector:
    • Connect the positive terminal of the battery to a new net, let's say VBAT.
    • Connect the negative terminal of the battery to GND.
  2. Connecting to the Board:
    • If the ESP32S3 supports direct battery charging, connect VBAT to the appropriate battery input pin on the ESP32S3.
    • If additional protection and regulation are required, route the VBAT through a battery management IC before connecting it to the board's power rail.
  3. Charge Management (Optional):
    • If you need to manage charging (e.g., through USB), you might need a dedicated charging IC like the TP4056.
    • Ensure the charging IC is connected to both VBAT and GND, with the output connected to the ESP32S3's power system.
Schematic Component Placement:
  • Battery: Use a symbol for a rechargeable battery.
  • Connector: Place a JST or other battery connector symbol.
  • Protection/Charging IC (if needed): Place them in the path between the battery connector and VBAT.
Tips:
  • Check the ESP32S3 datasheet/manual for any internal battery management features.
  • Double-check the voltage and current limits of your battery to match the load requirements.
Implement this into your schematic following the previous steps, using available components in Flux. Let me know if there's anything else specific you'd like help with!
15d
I need a way to add a breakout board for this board.
@copilot I need a way to add a breakout board for this board.
1mo
Adding a breakout board to your project can help expand the functionality of the Seeed Studio XIAO ESP32S3 and make it easier to connect external components. Here are some steps and considerations for adding a breakout board:
  1. Select a Breakout Board:
    • Decide what additional features or interfaces you need. Common breakout boards include those for sensors, displays, or additional I/O pins.
    • Ensure the breakout board is compatible with the ESP32S3 in terms of voltage and communication protocols, such as SPI, I2C, or UART.
  2. Identify the Required Connections:
    • Determine which pins on the XIAO ESP32S3 you need to connect to the breakout board.
    • Map the pins you plan to use, such as GPIOs required for communication protocols like I2C, SPI, or UART.
  3. Create Connections:
    • Use the available GPIOs on your ESP32S3, such as those labeled with I2C or SPI functionality, to connect with corresponding pins on the breakout board.
    • For example, if your breakout board uses I2C, connect:
      • XIAO ESP32S3:SDA to Breakout Board:SDA
      • XIAO ESP32S3:SCL to Breakout Board:SCL
    • If you are using SPI, connect:
      • XIAO ESP32S3:MISO to Breakout Board:MISO
      • XIAO ESP32S3:MOSI to Breakout Board:MOSI
      • XIAO ESP32S3:SCK to Breakout Board:SCK
      • Also, don't forget the CS (Chip Select) line if required.
  4. Power and Ground Connections:
    • Ensure the breakout board has proper power supply connections. For a 3.3V compatible board, connect:
      • XIAO ESP32S3:3V3 to Breakout Board:VCC
    • For grounding, connect:
      • XIAO ESP32S3:GND to Breakout Board:GND
  5. Physical Integration:
    • Consider using a breadboard or a custom PCB to create the connections.
    • Use jumper wires or soldered connections for stable connections.
  6. Software Configuration:
    • Install any necessary libraries for your breakout board in your development environment.
    • Write or modify the firmware to communicate with the breakout board correctly.
Do you have a specific breakout board in mind, or are you still considering options? Let me know if you need further help with specific connections or selecting a breakout board!
1mo
add TI's biosensing ADC interface to it
@copilot add TI's biosensing ADC interface to it
2mo
ok
i want a schematic of pcb board which has esp32 s2 wroom 1 module which connecte...
@copilot i want a schematic of pcb board which has esp32 s2 wroom 1 module which connected with pulse oximeter(max30102),and temperarure sensor(which is normally used to measure the skin temperature which is used in smart watches),vibtrator with usb connection for programming
4mo
To create a schematic for your PCB using the ESP32-S2-WROOM module, MAX30102 pulse oximeter sensor, a temperature sensor like the MCP9808 (which is often used for skin temperature measurement in wearables), a vibrator motor, and USB connection for programming, let's start with the connections:
Component List
  1. ESP32-S2-WROOM: Microcontroller
  2. MAX30102: Pulse oximeter sensor
  3. MCP9808: Temperature sensor
  4. Vibrator Motor: For haptic feedback
  5. USB Connector: For programming and power
Connections
  1. ESP32-S2-WROOM
    • Power: Connect to 3.3V and GND
    • Programming: Connect USB to UART bridge to RX and TX pins if direct USB is not supported on the module
  2. MAX30102
    • VCC: Connect to 3.3V
    • GND: Connect to Ground
    • SCL: Connect to ESP32 GPIO pin (e.g., GPIO22)
    • SDA: Connect to ESP32 GPIO pin (e.g., GPIO21)
    • INT: Connect to an available GPIO pin if interrupt functionality is used
  3. MCP9808
    • VCC: Connect to 3.3V
    • GND: Connect to Ground
    • SCL: Connect to ESP32 GPIO pin (e.g., GPIO19)
    • SDA: Connect to ESP32 GPIO pin (e.g., GPIO18)
  4. Vibrator Motor
    • Power: Connect one terminal to 3.3V
    • Control: Connect the other terminal to an ESP32 GPIO pin through a transistor or motor driver (e.g., GPIO23) to control the motor
  5. USB Connection
    • D+ and D-: Connect to the appropriate pins on the ESP32 for USB data communication
    • 5V and GND: Connect to power the board and a common ground
Pull-Up Resistors
  • I2C Lines: Use 4.7kΩ pull-up resistors on SDA and SCL lines for both sensors.
Additional Considerations
  • Bypass Capacitors: Place a 100nF bypass capacitor close to the power pins of the ESP32 module.
  • Level Shifting: If the sensors or module operates at a different voltage level than the ESP32, use level shifters.
Schematic Outline
  • ESP32-S2-WROOM: Central controller
  • Sensors and Actuator: Connected to GPIO pins as specified
  • USB Connection: Wired for power and programming
These are the basic connections. You can create the schematic in Flux by following these guidelines and ensuring that all connectors are appropriately placed for the PCB design stage. Let me know if you need specific details on any component or connection!
4mo
i want a schematic of pcb board which has esp32 s2 wroom 1 module which connecte...
@copilot i want a schematic of pcb board which has esp32 s2 wroom 1 module which connected with pulse oximeter(max30102),and temperarure sensor(which is normally used to measure the skin temperature which is used in smart watches),vibtrator with usb connection for programming
4mo
i want a schematic of pcb board which has esp32 s2 wroom 1 module which connecte...
i want a schematic of pcb board which has esp32 s2 wroom 1 module which connected with pulse oximeter(max30102),and temperarure sensor(which is normally used to measure the skin temperature which is used in smart watches),vibtrator with usb connection for programming
4mo
create a high level gyro board with esp32s3, gyro, accelerometer an magnetic sen...
@copilot create a high level gyro board with esp32s3, gyro, accelerometer an magnetic sensor to realize a digital compass
5mo
Great! Let's outline the high-level design for a digital compass using the Seeed Studio XIAO ESP32S3 along with a gyroscope, accelerometer, and magnetometer. Here's a brief list of components we'll use:
  1. Microcontroller: Seeed Studio XIAO ESP32S3
  2. Gyroscope/Accelerometer: MPU6050 (3-axis Gyroscope and Accelerometer)
  3. Magnetometer: HMC5883L (3-axis Magnetometer)
Step-by-step Design 1. Power Supply Connections
  • 5V Power Supply
    • Connect the power source to the $5V$ pin of the XIAO ESP32S3.
    • Typically, gyroscopes and magnetometers require $3.3V$ or $5V$. We will use $5V$ because both MPU6050 and HMC5883L can operate at $5V$.
2. Ground Connections
  • Connect all ground pins to the $GND$ pin of the XIAO ESP32S3.
3. I2C Communication Bus
The MPU6050 and HMC5883L can communicate using the I2C bus. We'll connect them to the I2C pins on the XIAO ESP32S3.
  • SCL (Serial Clock Line)
    • Connect $TOUCH6_GPIO6_SCL_A5_D5$ of XIAO ESP32S3 to the SCL pin of both MPU6050 and HMC5883L.
  • SDA (Serial Data Line)
    • Connect $TOUCH5_GPIO5_SDA_A4_D4$ of XIAO ESP32S3 to the SDA pin of both MPU6050 and HMC5883L.
4. Connection Summary
  • Power and Ground
    • Connect $5V$ to MPU6050:VCC and HMC5883L:VCC.
    • Connect $GND$ to MPU6050:GND and HMC5883L:GND.
  • I2C Communication
    • Connect $TOUCH6_GPIO6_SCL_A5_D5$ to MPU6050:SCL and HMC5883L:SCL.
    • Connect $TOUCH5_GPIO5_SDA_A4_D4$ to MPU6050:SDA and HMC5883L:SDA.
Example Schematic Diagram
Here's what the connection points to the pins would look like in a schematic:
  • MPU6050
    • Connect $5V$ to MPU6050:VCC.
    • Connect $GND$ to MPU6050:GND.
    • Connect $TOUCH6_GPIO6_SCL_A5_D5$ to MPU6050:SCL.
    • Connect $TOUCH5_GPIO5_SDA_A4_D4$ to MPU6050:SDA.
  • HMC5883L
    • Connect $5V$ to HMC5883L:VCC.
    • Connect $GND$ to HMC5883L:GND.
    • Connect $TOUCH6_GPIO6_SCL_A5_D5$ to HMC5883L:SCL.
    • Connect $TOUCH5_GPIO5_SDA_A4_D4$ to HMC5883L:SDA.
You can now proceed to design this schematic in Flux and lay out the PCB accordingly.
Is there anything specific you'd like to discuss or need more details on?
5mo
create a high level mermaid block diagram of 5V. Include key component's manufac...
@copilot create a high level mermaid block diagram of 5V. Include key component's manufacturer part number in each block whenever possible.
6mo
add sensor BNO055
@copilot add sensor BNO055
7mo
The BNO055 is an advanced 9-axis absolute orientation sensor from Bosch that integrates a 3-axis accelerometer, gyroscope, and magnetometer. It communicates via I2C or UART interfaces. Assuming you want to connect it via I2C, we will use the default pins for I2C on the Seeed Studio XIAO ESP32S3: TOUCH5_GPIO5_SDA_A4_D4 (Pin 5) for SDA and TOUCH6_GPIO6_SCL_A5_D5 (Pin 6) for SCL.
Connections to BNO055:
  1. VCC: Connect to 3.3V (P:12)
  2. GND: Connect to GND (P:13)
  3. SDA: Connect to TOUCH5_GPIO5_SDA_A4_D4 (P:5)
  4. SCL: Connect to TOUCH6_GPIO6_SCL_A5_D5 (P:6)
Connection Format:
  • Connect BNO055:VCC to P:12.
  • Connect BNO055:GND to P:13.
  • Connect BNO055:SDA to P:5.
  • Connect BNO055:SCL to P:6.
Once you've made these connections in Flux, you will be able to interface with the BNO055 sensor via its I2C interface.
Let me know if you need any further details or have different requirements!
7mo
can you add sensor BNO055 by ic2
can you add sensor BNO055 by ic2
7mo
Find Me Battrery Mnagement System IC with V out of 3.3V
Find Me Battrery Mnagement System IC with V out of 3.3V
9mo
add missing BAT+ and BAT- to this project
@copilot add missing BAT+ and BAT- to this project

1

10mo
To address the need for battery management in your project, particularly for charging the lithium battery as per the Seeed Studio XIAO ESP32S3's capabilities, we'll introduce two new designators for the battery positive and negative terminals: BAT+ and BAT-. These will represent the connections for the battery to integrate into your design for power management.
Let's add these now:
New Project Components for Battery Management
  1. Designator: BAT+
    • Pins: 1
    • Element Properties:
      • Pin Type: Power
      • Symbol Pin Position: NA (Assumption: Will be positioned according to the best practices in your schematic layout)
      • Pin Number: NA (Not applicable as it's a power input)
      • Terminal Order: NA
      • Designator Prefix: BAT
  2. Designator: BAT-
    • Pins: 1
    • Element Properties:
      • Pin Type: Ground
      • Symbol Pin Position: NA (Assumption: Will be positioned according to the best practices in your schematic layout)
      • Pin Number: NA (Not applicable as it's a ground terminal)
      • Terminal Order: NA
      • Designator Prefix: BAT
Given the description of your project and the capabilities of the Seeed Studio XIAO ESP32S3 microcontroller for supporting lithium battery charging management, these new components will be crucial for your power supply setup. Assuming there might be onboard support for battery charging, you would typically connect these terminals to the battery management system on your microcontroller board. However, without specific details on exactly how the Seeed Studio XIAO ESP32S3 manages these connections internally, please make sure to consult the module’s documentation and schematics available from Seeed Studio for proper connection guidelines to avoid any potential damage.
Please proceed with integrating these terminals into your project, ensuring they are connected appropriately to the power management system of your ESP32S3 module. If you need further assistance on how to route these connections effectively or integrate other components, feel free to ask!
10mo
Find Me Battrery Mnagement System IC with V out of 3.3V
9mo
@copilot Find Me Battrery Mnagement System IC with V out of 3.3V
6mo
For a Battery Management System (BMS) IC with an output voltage of 3.3V, there are several options available that are popular and reliable. Below are a few recommendations that you can consider for your project:
Recommended Battery Management System ICs
    • Description: A linear charge management controller for use in space-limited and cost-sensitive applications.
    • Features: Supports charging of single-cell Lithium-Ion batteries, output voltage of 3.3V.
    • Package: SOT-23-5
    • Description: A complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries.
    • Features: Programmable charge current up to 1A, integrates power path management.
    • Package: SOP-8
    • Description: A highly integrated Li-Ion and Li-Polymer switched-mode battery charge management and system power path management devices.
    • Features: Voltage output of 3.3V, ideal for space-sensitive applications.
    • Package: VQFN-20
How to Integrate into Your Project
To integrate a BMS IC into your Seeed Studio XIAO ESP32S3 project, follow these general steps:
  1. Power Input Connections:
    • Connect the BAT+ and BAT- terminals from your battery to the corresponding input pins of the chosen BMS IC (usually labeled as BAT+ and GND).
  2. Power Output Connections:
    • Connect the output pins of the BMS IC (e.g., VOUT or SYS) to the 3V3 and GND pins on the Seeed Studio XIAO ESP32S3 module.
    • For MCP73831T-2ACI/OT: Connect BAT+ to BAT, BAT- to GND, and VOUT to the 3V3 pin of your ESP32S3 module.
  3. Additional Connections:
    • Integrate any required resistors, capacitors, or other passive components as specified by the datasheet of the selected BMS IC.
    • Ensure to follow the manufacturer's guidelines for safe charging and discharging of the battery.
Here’s an example connection format for the MCP73831:
  • For Charging:
    • Connect BAT+:VCC to MCP73831T-2ACI/OT:VDD.
    • Connect BAT-:GND to MCP73831T-2ACI/OT:VSS.
    • Connect MCP73831T-2ACI/OT:VOUT to 3V3.
Feel free to ask if you need more specific guidance on integrating one of these ICs into your schematic or any other assistance.
6mo
what is this?
@copilot what is this?
10mo
The provided project description outlines the use of the Seeed Studio XIAO ESP32S3, a compact and powerful microcontroller unit (MCU) designed for various applications, including Internet of Things (IoT), smart homes, wireless wearable devices, robotics, and more. The XIAO ESP32S3 features a 240MHz Xtensa 32-bit LX7 dual-core processor, and it supports WiFi and Bluetooth Low Energy (BLE) 5.0 connectivity. One of its significant advantages includes its low power consumption, especially in deep sleep mode, where it can go as low as 14μA, while also supporting lithium battery charging management.
The project includes multiple GPIO (General Purpose Input/Output) pins with additional functions such as Analog/Digital inputs, I2C (SDA/SCL for data and clock lines), SPI (MISO/MOSI/SCK for Master In Slave Out, Master Out Slave In, and Serial Clock lines), and UART (TX/RX for transmit and receive) communications. These pins are designated for various uses, including touch sensing, analog to digital conversions, digital signal input/output, and facilitating serial communication protocols.
The specific components listed within the project description are primarily the GPIO pins of the XIAO ESP32S3, each with designated functions including touch sensing capabilities, serial communication, and SPI/I2C interfaces. The description also mentions power supply pins like 3.3V and 5V, essential for powering the device and peripherals.
No electrical connections have been indicated yet, suggesting that this is either an initial stage of the project definition or that the project is meant to outline the capabilities and pin assignments of the Seeed Studio XIAO ESP32S3 without specifying a particular application or circuit design.
10mo
can i use it in kiCAD
can i use it in kiCAD
11mo
how do you download this ?
how do you download this ?
11mo
how many user accessible pins this module has ?
@copilot how many user accessible pins this module has ?
11mo
Any plans to provide the SMD footprint? This could include the underneath pads f...
Any plans to provide the SMD footprint? This could include the underneath pads for battery charging, etc...

1

1y
Hey, I’m Copilot, your AI design assistant. I can help you brainstorm ideas, deb...
Hey, I’m Copilot, your AI design assistant. I can help you brainstorm ideas, debug problems, research components, and even make wiring connections for you. Ask me questions like:
  • @copilot I'm designing a PCB for a medical device that measures heart rate and temperature. Can you give me the list of components I will need?
  • @copilot How would I connect these parts to make the LED flash at 1kHz?
  • @copilot can you choose 4 digital pins on the ATMega328P-AU that I have here to use as GPIO given that I am already using some pins for reset, the external clock, UART, and I2C.
Chat with me by tagging @copilot on comments or in the chat.
1y
Someone is typing...
Checks that the power traveling across a given resistor is under its rating with 50% headroom.
Learn more
Checks that IC pins that require pull up or pull down resistors have them.
Learn more
Checks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.
Checks that all parts have a part number and are available from distributors.
Reports copper elements that are shorting.
Reports parts that have no footprint.
Reports nodes that are assigned to a layer that doesn't exist in the layout stackup.
Reports components that have been modified using the "!important" flag.
Reports terminals that are not connected properly. NOTE: Only connections to the center of pads are considered valid.
Reports nodes that are using rules that are not supported anymore.
Reports layers that have multiple copper fills of different nets. Make sure the Connected Layers rule value of nets with fills is valid.
Detect any via, trace or copper fill island that is not connected to any net.