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1. Open the Settings Menu: Look for a gear icon or a settings option at the top or side menu.
2. Navigate to Grid/Magnetic Alignment: There should be a section related to the grid or alignment options.
3. Enable Magnetic Alignment: Toggle the magnetic alignment or snapping option. You may also be able to adjust the grid size or snapping strength.

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copilot

1. Magnetic Alignment: Similar to the concept of snapping, the magnetic alignment feature helps guide the components and traces into alignment as you move them around on the canvas.
2. Use the Alignment Markers: Drag components around and you can see alignment markers appear that guide you to align parts and traces with each other[1].
3. Manual Adjustment: If snapping isn’t automatically working for traces, you might have to manually adjust the nodes or routes after placing them by dragging them to align properly. Flux allows meticulous adjustment of wire positions, which means you can drag individual wire sections to precisely place them[2].
4. Shortcut Keys: You might want to use shortcuts for efficiently aligning components. For example, right-clicking and selecting alignment options can help in ensuring everything is properly aligned[3].

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1. Unconnected Pins: Ensure all necessary pins are connected.
2. Inconsistent Connections: Verify that components are correctly connected as intended.
3. Power and Ground Connections: Ensure that all components requiring power and ground are connected appropriately.
4. Intended Functionality: Consider whether the nets and components are connected to achieve the intended project functionality.

• Unconnected Pins:

  • The rotary switch $S1$ has several pins (5, 6, 7, 8, 9, 10) not listed in any nets. Make sure this is deliberate, as unconnected pins might be needed for your design.
  • The pushbutton switch $S2$ has one pin (4) that is unconnected. Verify if it needs to be connected.
  • The connector $J1$ has one pin (10) and two shield pins unconnected. Confirming these are unused or connected elsewhere might be necessary.

• Inconsistent Connections:

  • Ensure the intended signals, power, and ground connections match the desired circuit functionalities.

• Power and Ground Connections:

  • $OLED1$ is correctly connected to a 5V net and ground, which should provide it with the necessary power and ground connections.

1. Review Unconnected Pins:

   • Double-check to ensure if any of the remaining unconnected pins on the identified components should be actively used in your design.

2. Check Functionality:

   • Consider what each component and net should achieve in your project. Confirm all essential nets are in place for your application.

3. Implied Connections:

   • In the absence of specific operations, verify that each connected component serves a role and is properly integrated into the circuit.

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1. Project Requirements:

   • Define the purpose of your circuit.
   • List any specific components you plan to use or want recommended.

2. Schematic Design:

   • Create a schematic of the circuit within Flux.
   • Identify connections and designators for components.

3. Component Placement:

   • Arrange the components on the PCB in a way that optimizes space and performance.

4. Routing:

   • Connect the components using traces. Consider factors like trace width and layer usage.

5. Design Rules Check (DRC):

   • Ensure the design complies with manufacturing and electrical standards.

6. Final Review:

   • Review and validate the PCB design.

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• The type of component (e.g., microcontroller, motor driver, sensor, switch).
• The number of each component.
• Any specific part numbers or requirements (e.g., size constraints, voltage ratings).
• Any interface or connection preferences you have.

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1. Microcontroller: Seeed Xiao

   • Powers and controls the entire circuit.
   • Interfaces with a display via I2C (SDA, SCL).
   • Provides 3.3V power to the display.

2. Display:

   • Powered from the 3.3V output of the Seeed Xiao.
   • Interfaces via I2C (SDA and SCL).

3. Switches:

   • 4-position latching slide switch: Use for mode selection or other multi-state functions.
   • Momentary switch: Typically used for triggering actions like firing.
   • 2-position latching slide switch: Use for simple on/off functions.

4. Micro Switches:

   • V-156-1C25
   • Each controls a MOSFET:

     • First controls 4 DC motors.
     • Second controls a push/pull solenoid.

• Seeed Xiao to Display:

  • Connect Seeed Xiao:3.3V to Display:VCC.
  • Connect Seeed Xiao:GND to Display:GND.
  • Connect Seeed Xiao:SDA to Display:SDA.
  • Connect Seeed Xiao:SCL to Display:SCL.

• Microcontroller to Switches:

  • Connect the 4-position latching slide switch, momentary switch, and 2-position latching slide switch to GPIO pins on the Seeed Xiao. You'll need to decide which pins based on available I/O.

• Micro Switches to MOSFETs:

  • Connect V-156-1C25:Common to one MOSFET:Gate and Source.
  • Connect V-156-1C25:Normally Open to MOSFET:Gate and Source.
  • Connect the output of the MOSFETs to the motors and solenoid as needed.

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• Display
• 4-position latching slide switch
• Momentary switch
• 2-position latching slide switch

• Display: Connected to the ribbon cable for I2C (SDA, SCL) and power ($3.3$V, GND).
• Switches: Connect to separate pins on the ribbon cable that will lead to GPIO pins on the Seeed Xiao.

• Two V-156-1C25 micro switches
• Two MOSFETs

• Micro Switches: Connect to the ribbon cable for control signals from the Seeed Xiao.
• MOSFETs: Controlled by the micro switches and connected through ribbon cables for power and control signals to the motors and solenoid.

• Seeed Xiao microcontroller

• This PCB will have connectors for ribbon cables leading to PCB 1 and PCB 2.
• I2C and switch signals will be routed through the ribbon cables from this central PCB.

• Use a standard ribbon cable connector with the number of lines corresponding to your needs (e.g., $8$ or $10$-pin headers).
• Ensure each PCB has matching connectors to facilitate easy assembly and disassembly.

• Create Schematic and Layout: Start designing the schematic and layout for each PCB in Flux, keeping in mind the physical constraints inside the Nerf blaster.
• Optimize Wiring: Minimize trace length and ensure signal integrity, especially for I2C and MOSFET control lines.
• Design Rules Check (DRC): Once the layout is complete, run a design rules check.

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1. Schematic Design:

   • Display: Connect the I2C pins $SDA, SCL$ and power pins $VCC, GND$ to a connector for the ribbon cable.
   • Switches: Connect each switch to individual GPIO pins on the connector header.

2. Layout Planning:

   • Ensure the display and switches are placed logically for easy routing.
   • Place the connector for the ribbon cable in a convenient position.

1. Schematic Design:

   • Micro Switches: Connect to the Gate of corresponding MOSFETs.
   • MOSFETs: Connect outputs to connectors for motors/solenoid and inputs from the micro switches.

2. Layout Planning:

   • Arrange micro switches and MOSFETs with connectors for ribbon cables leading to the Seeed Xiao PCB.
   • Ensure robust trace design for high-power components.

1. Schematic Design:

   • Connect the Seeed Xiao's I2C and GPIO to connectors leading to the corresponding PCBs.
   • Include power connections for the supplied peripherals.

2. Layout Planning:

   • Minimize the footprint, aligning the connectors for clean cable management.
   • Ensure adequate decoupling and layout space around the microcontroller.

1. Open Flux and create a new project for each PCB.
2. Component Placement: Place the necessary components from Flux's library onto the schematic.
3. Routing: Use the net tool to connect components as per the design plan. Pay attention to power traces and I2C signals for integrity.
4. Create Connectors for interfaces between PCBs. Ensure they have matching pinouts on each PCB.
5. Design Rules Check (DRC): Run regular checks to ensure compliance with design standards.
6. Iterate Designs: Modify any part of the design to fit physically inside the Nerf blaster or based on constraints or requirements.

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1. Open Flux.ai:

   • Log in to Flux and open your project.

2. Search for Components:

   • Use the search function to find each component by its name or part number.
   • Examples:

     • Search for the Seeed Xiao.
     • Locate display module pins, MOSFETs, micro switches, and other parts as needed.

3. Place Components:

   • Drag and drop each component into the schematic area from the search results.

4. Arrange Components:

   • Organize the components logically based on their connection needs.
   • Consider physical layout constraints inside the Nerf blaster.

5. Connect Components:

   • Use the "Net" tool to draw connections between pins as per the connection plan outlined.

6. Add Connectors for Ribbon Cables:

   • Place standard pin headers for connecting each PCB via ribbon cables.
   • Match the number of pins to those needed for each connection group.

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1. Open Your Schematic:

   • Start by opening the schematic view of your project in Flux.

2. Select the Net Tool:

   • Typically, there is a toolbar or menu containing various tools you can use to edit your schematic.
   • Look for an icon or menu item labeled "Net" or "Wire" that allows you to draw lines connecting pins. Sometimes, it might look like a simple wire icon or a pen tool.
   • If you're unable to find it right away, you might also check the Flux documentation or tutorials provided within the platform for guidance.

3. Draw Connections:

   • Click on the pin of a component where you want to start the connection.
   • Drag the line to the corresponding pin of another component and click again to make the connection.
   • The tool typically allows you to create right-angle connections for neatness.

4. Naming Nets:

   • Optionally, name the nets to indicate the signal they represent, which can help in organizing and understanding your schematic.

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1. Autoroute Tool:

   • In the PCB layout view of your project, look for an "Autoroute" or similar option in the toolbar or menu.
   • This tool attempts to route the connections between components automatically based on the existing netlist.

2. Running the Autorouter:

   • Before running the autorouter, ensure that all components are placed on the PCB where you want them.
   • Select the autoroute feature, and it should generate the traces between the components based on your schematic connections.

3. Manual Adjustments:

   • After the autorouter completes, you might find it necessary to adjust some traces manually for optimal performance, to meet design rules, or to comply with specific layout constraints.

4. Design Rules Check (DRC):

   • Run a DRC to ensure the autorouted traces meet all manufacturing and design standards.