• 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
U2
Not Recommended for New Designs
U1

IoT Devices and Wearables (Edge Computing) | Copilot Preset

IoT Devices and Wearables (Edge Computing) | Copilot Preset
Description

Created
November 12th 2024
Last updated by akshaysarode
3 months ago
1 Contributor(s)
akshaysarode

Controls

Properties

Software
Arduino
Connectivity
USB, WiFi, Bluetooth
Wireless Protocol
Wi-Fi, Bluetooth, LoRaWan
Operating Voltage
1.8V to 5V
Operating Humidity
10 to 90%
Compliance
RoHS, FCC, CE
Operating Temperature Range
-10°C to 70°C
Antenna
PCB Trace
Human Interface
Display and Buttons
Reliability
20,000 hrs
Life Cycle Expectancy
10 years
Form Factor
Wearables
Number of sensors
2
Number of output relay
4
Domain Application
Consumer Electronics

Availability & Pricing

DistributorQty 1
Digi-Key$5.38
LCSC$9.46
Mouser$7.10

Assets

Simulation

µs

Simulation Speed

give step by step process to add and auto add objects
@copilot give step by step process to add and auto add objects
3mo
To add and auto-arrange objects in Flux, you can follow these steps. Although I don’t have access to the specific details of the Flux interface, I can provide a general process you might follow in an electronic design tool:
Step 1: Adding Components
  1. Open Your Project:
    • Navigate to the project in which you want to add new components.
  2. Search for Components:
    • Use the 'Search' feature to find the component you wish to add. You can search by part number, name, or category.
  3. Select the Component:
    • Once you find the component, select it from the search results.
  4. Place the Component:
    • Click on the workspace/schematic area where you want to place the component. It should now appear on your schematic.
Step 2: Auto-Adding Connections
  1. Select Auto-Route (if available):
    • Check if your tool offers an 'Auto-Route' or 'Auto-Connect' feature. This tool automatically connects components based on predefined rules or existing connections.
  2. Define Connection Rules:
    • Set any necessary rules or defaults for how components should be connected, especially if there are specific buses, labels, or constraints.
  3. Execute Auto-Routing:
    • Run the auto-routing feature. This should place nets between component pins according to your schematic rules.
Step 3: Arranging Components
  1. Select 'Arrange' or 'Auto-Arrange' Feature:
    • Look for an 'Arrange' or 'Auto-Arrange' option. This feature helps tidy the layout of your schematic or PCB.
  2. Configure Arrangement Settings:
    • If available, adjust settings that control how closely components are spaced or their alignment.
  3. Apply Arrangement:
    • Click the button to apply these settings, which should rearrange the components logically and neatly.
Step 4: Final Touches
  1. Manual Adjustments:
    • Making manual adjustments can fine-tune the component places and connections to ensure an optimal layout.
  2. Save Your Work:
    • Regularly save your progress to prevent any loss of data.
Additional Tips:
  • Experiment with Layouts: Try different arrangements to optimize board size and minimize wasted space.
  • Consult Documentation: If available, check Flux's documentation for specific instructions on features like auto-route and arrangement.
Please remember that the precise implementation of these steps can vary based on the capabilities and interface of the specific version of Flux you are using. Are you looking to add and connect specific components from your current project? If you have any specific requirements or details, feel free to provide them!
3mo
add 4 relay , 2 normal and 2 power, use optocopuler
@copilot add 4 relay , 2 normal and 2 power, use optocopuler
3mo
To incorporate four relays, including two standard relays and two power relays, with optocouplers in your IoT device project, let's outline the components and connections required. We'll assume typical relay and optocoupler components for the integration. Here’s a general approach:
Components
  1. Standard Relays (2x)
    • For small signal switching
  2. Power Relays (2x)
    • For higher current applications
  3. Optocouplers (4x)
    • To provide electrical isolation between the relays and the microcontroller
  4. Transistors
    • To drive the relay coils
  5. Diodes (Flyback Diodes)
    • To protect the transistors from inductive kickback
  6. Resistors
    • Base resistors for the transistors
Suggested Components
  • Standard Relay: SPDT relay rated for small current (e.g., 5V, 1A)
  • Power Relay: DPDT relay for higher current (e.g., 10A)
  • Optocoupler: 4N25 or equivalent
  • Transistor: NPN (e.g., BC547) or MOSFET (e.g., IRF540N for power relays)
Schematic Connections
  1. Microcontroller to Optocoupler:
    • Connect GPIO pins to the optocoupler input LED anode.
    • Connect the optocoupler input LED cathode to ground via a current-limiting resistor (e.g., 220 Ω).
  2. Optocoupler to Transistor:
    • Connect the collector of the optocoupler's phototransistor to the base of the transistor via a resistor (e.g., 1 kΩ).
  3. Transistor to Relay:
    • Connect the emitter of the transistor to ground.
    • Connect the collector to one terminal of the relay coil.
    • Connect the other terminal of the relay coil to the power supply.
    • Add a flyback diode in parallel with the relay coil (cathode to positive supply).
  4. Relay to Load:
    • Connect the relay contacts to the load you want to control.
Example Connections
  • Optocoupler 1 (Standard Relay 1):
    • Connect U1:LPGPIO0_GPIO0_0_D0U1:LP-GPIO0\_GPIO0\_0\_D0 to Opto1:Anode.
    • Connect Opto1:Cathode to Ground via 220 Ω.
    • Connect Opto1:Collector to Q1:BaseQ1:Base via 1 kΩ.
    • Connect Relay1:CoilRelay1:Coil to Power and Q1:CollectorQ1:Collector.
    • Add Flyback Diode in parallel with Relay1:CoilRelay1:Coil.
Repeat similarly for the other relays and optocouplers.
Would you like further details on specific components or adjustments? Feel free to ask!
3mo
Component List & Specifications: MCU: ESP32C6 module Decoupling capacitors: 1...
@copilot Component List & Specifications:
  1. MCU:
  • ESP32C6 module
  • Decoupling capacitors: 10µF and 0.1µF for each power pin
  • Boot and Enable pull-up resistors: 10kΩ
  1. Power Supply:
  • DC-DC Buck Converter Module
    • Input: 5-36V
    • Output: 5V/3A
    • IC Recommendation: MP2307DN or similar
    • Input capacitor: 22µF/50V
    • Output capacitor: 47µF/10V
    • Inductor: 22µH/3A
    • Feedback resistors for 5V output
  1. Relays: Standard Relays (2x):
  • 5V coil voltage
  • Contact rating: 10A/250VAC
  • Flyback diode: 1N4007
  • Driving transistor: 2N2222A
  • Base resistor: 1kΩ
High Power Relays (2x):
  • 5V coil voltage
  • Contact rating: 30A/250VAC
  • Flyback diode: 1N5408
  • Driving transistor: TIP120
  • Base resistor: 2.2kΩ
  1. Audio Jack Inputs (4x):
  • 3.5mm TRS stereo jack
  • Protection:
    • Series resistor: 1kΩ
    • TVS diode: SMBJ5.0A
    • Pull-down resistor: 10kΩ Pin mapping:
    • Tip: Sensor Signal
    • Ring: 5V
    • Sleeve: GND
  1. LEDs (3x):
  • Forward voltage: 2V (typical)
  • Current: 10mA
  • Series resistor: 330Ω for 5V operation
  1. Buttons (2x):
  • Pull-up resistor: 10kΩ
  • Debounce capacitor: 0.1µF
PCB Design Guidelines:
  1. Layer Stack:
  • 4-layer board recommended
  • Layer 1: Signal + Power
  • Layer 2: Ground plane
  • Layer 3: Power plane
  • Layer 4: Signal
  1. Trace Widths:
  • Power traces (5V, 36V): 40mil
  • Relay traces: 30mil
  • Signal traces: 10mil
  • High-speed digital: 6mil
  1. Special Considerations:
  • Keep relay switching noise isolated from sensitive analog inputs
  • Separate ground planes for digital and analog sections
  • Place decoupling capacitors close to ICs
  • Route sensor inputs away from switching power supply
  • Use ground pour on top and bottom layers
  • Add thermal relief for power components
  1. Connector Specifications:
  • Power input: 2-pin terminal block (5mm pitch)
  • Relay outputs: 3-pin terminal blocks (5mm pitch)
  • Sensor inputs: 3.5mm TRS jacks
  • Programming header: 2x3 pin header (2.54mm pitch)
  1. Test Points:
  • Add test points for:
    • 5V rail
    • 3.3V rail
    • Ground
    • Key GPIO signals
    • Relay control signals
  1. Protection Features:
  • Reverse polarity protection diode on power input
  • TVS diodes on sensor inputs
  • Fuse on main power input (5A fast-blow)
3mo
Great! You have a comprehensive list of components and specifications for your IoT wearables and edge computing device project. With the given details, let's go over some key areas and ensure your design is robust. Here's how you can approach your circuit design and PCB layout:
Key Connection Considerations
  1. MCU (U1):
    • Decoupling Capacitors:
      • Connect 10µF and 0.1µF capacitors in parallel to the 3V3 and 5V pins of U1.
    • Boot and Enable Pull-up Resistors:
      • Connect a 10kΩ resistor from U1:BOOT_GPIO9 to 3V3.
      • Connect a 10kΩ resistor from U1:EN to 3V3.
  2. Power Supply:
    • DC-DC Buck Converter:
      • For the MP2307DN or similar, ensure the input capacitor (22µF/50V) is placed near the input pin.
      • Use a 47µF/10V capacitor for the output.
      • Connect a 22µH inductor from the switch pin to the output capacitor.
      • Feedback resistors should be chosen to regulate the output to 5V.
  3. Relays:
    • Standard Relays:
      • Use the 1N4007 diode across the coil for flyback protection.
      • Drive with a 2N2222A NPN transistor; connect the base through a 1kΩ resistor.
    • High Power Relays:
      • Use the 1N5408 diode for flyback protection.
      • Drive with a TIP120 transistor; connect the base through a 2.2kΩ resistor.
  4. Audio Jack Inputs:
    • Connect series 1kΩ resistors to sensor signal tips.
    • Place TVS diodes (SMBJ5.0A) between signal lines and ground.
    • Use 10kΩ pull-down resistors on signal lines for stability.
  5. LEDs:
    • Connect a 330Ω series resistor for operation at 5V to limit current to 10mA.
  6. Buttons:
    • Connect pull-up 10kΩ resistors from button pins to 3V3.
    • Use 0.1µF capacitors for debounce.
PCB Layout Guidelines
  • Layers:
    • Keep layer assignment as suggested for optimal EMI performance.
  • Trace Widths:
    • Ensure 40mil traces for power, 30mil for relays, and 10mil/6mil for signals/high-speed signals as needed.
  • Ground Considerations:
    • Isolate ground planes for digital and analog sections.
    • Use ground pour for shielding and thermal relief in power components.
  • Protection Features:
    • Implement a reverse polarity protection diode on the power input.
    • Place a TVS diode on each sensor input and a 5A fast-blow fuse on the main power line.
  • Test Points:
    • Incorporate test points on essential nodes like 5V, 3.3V, and key communication lines.
Do let me know if you need any clarifications or modifications in this setup. If you are ready, we can move on to designing a specific section or clarify any remaining doubts!
3mo
route
3mo
To get started with your IoT and wearable project, let's outline how to route the connections for the components listed in your project description.
Key Components and Their Connections
  1. Microcontroller (U1 - Seeed Studio XIAO ESP32C6):
    • This microcontroller will serve as the main processing unit. It supports Wi-Fi, Bluetooth, and other features suitable for IoT applications.
  2. Relay Modules (U2 and U3 - SRD-05VDC-SL-C):
    • Used to control higher power devices, these relays can be triggered by the microcontroller.
Suggested Connections Power Connections:
  • Connect U1:5V to a suitable 5V power source.
  • Connect U1:GND to U2:TERM1 and U3:TERM1 for common ground.
Relay Control:
You have two relay modules and potentially four outputs. You can use the GPIO pins of the microcontroller to control these relays:
  • Relay U2:
    • Connect U1:LP-GPIO0_GPIO0_0_D0 to U2:LIN to control the first relay.
    • Connect U1:LP-GPIO1_GPIO1_A1_D1 to another relay input if using a second relay on the same module.
  • Relay U3:
    • Similar to U2, connect pins from U1 to U3:LIN for additional control.
PCB Antenna:
  • The U1 device will use PCB trace antennas that need careful placement and clearance on the PCB to ensure proper wireless connectivity.
These connections should give you a starting point for your routing. If you have any additional sensors or outputs, let me know, and we can integrate those into the design as well. Feel free to ask for adjustments or additional details on specific connections!
3mo
Hi! I'm Copilot, I can help with your projects: To learn more, check out Gettin...
Hi! I'm Copilot, I can help with your projects:
@copilot explain this project.
@copilot are there any issues in this project?
@copilot how can I build a schematic with Flux?
To learn more, check out Getting Started with Copilot.
3mo
3mo
Routing in a PCB design context refers to connecting different components via copper traces. In your project, you need to connect the components listed within the design to create functional circuits.
Since your project involves an IoT device with wireless communication capabilities and relays, particularly for wearables with an Arduino software environment, let's focus on routing strategies for these components:
  1. Microcontroller (U1) - Seeed Studio XIAO ESP32-C6:
    • Ensure that all necessary power ($3V3$, $5V$, BAT +) and ground pins (GND, GND_1, GND_PAD) are connected.
    • GPIO pins are available for communication with sensors and actuators.
  2. Relays (U2 and U3) - Songle SRD-05VDC-SL-C:
    • Typical relay connections involve using the LIN (low voltage input) for controlling the relay coil, and TERM1/TERM2 for the switching contacts.
    • Connect U1:GPIO pins to U2:LIN and U3:LIN for control.
    • Connect TERM1/TERM2 to your switched load (e.g., a motor or light).
  3. General Routing Tips:
    • Shortest Path: Always aim to keep traces as short as possible to reduce resistance and electromagnetic interference (EMI).
    • Separate Analog and Digital: Keep analog and digital signals separate where possible to avoid noise interference.
    • Power Planes: Use solid planes for power (VCC) and ground (GND) to ensure a stable supply and return path.
    • Trace Width: Use appropriate trace width for current capacity; use a trace width calculator if needed.
  4. Connection Suggestions:
If you have specific components or layouts you need help with, feel free to provide more details, and I can assist further!
3mo
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.
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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.