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create a high level mermaid block diagram of this project. Include key component...

@copilot create a schematic that uses a raspberry pi pico w to make a rc car. it uses a l298n motor driver and two servomotors. it also have a 90degree servomotor and on top of that an ultrasonic sensor. Now
1y
To create a schematic for an RC car using a Raspberry Pi Pico W (assumed to be U1, based on the provided MPNs and descriptions, although it sounds more like a microcontroller from the Raspberry Pi family), an L298N motor driver (U2), two servomotors (not explicitly listed in the provided project components, but let's assume these are for steering and throttle control, respectively), a 90-degree servomotor (let's include this as a third servomotor for auxiliary functions such as adjusting a camera angle or sensor orientation), and an ultrasonic sensor (not listed in the components, but essential for obstacle detection), follow the steps and connections below.
Given the components listed, I'll make assumptions for the servomotors and the ultrasonic sensor since they aren't explicitly detailed in the project components.
Step 1: Power Supply Connections
  • Connect all IOVDD and DVDD pins of U1 to a +3.3V power source. Given the Pico W operates at 3.3V logic.
  • Connect VCC(+) of U3 and U4 to a +5V power source. This will also be the assumed power requirement for the servomotors and the ultrasonic sensor.
  • Connect all GND pins of U1 to the common ground.
  • Connect GND pins of U3 and U4 to the common ground.
  • The L298N (U2:VS) should be connected to a higher voltage power source, assuming 12V for motor operation.
  • Connect U2:GND and U2:VSS to the common ground. VSS is the logic supply voltage for the L298N and should be connected to +5V if operating logic level motors.
Step 2: Motor Driver to Motors
  • We'll assume two generic DC motors for the car's wheels, represented as Motors 1 and 2.
    • Connect U2:OUT1 to Motor 1 positive terminal.
    • Connect U2:OUT2 to Motor 1 negative terminal.
    • Connect U2:OUT3 to Motor 2 positive terminal.
    • Connect U2:OUT4 to Motor 2 negative terminal.
Step 3: Control Connections
  • For servomotors, GPIO pins from U1 can be used. The specific GPIO to use is flexible, but let's choose three arbitrary GPIOs for the purpose of example:
    • Connect U1:GPIO18 to Servomotor 1 signal line (steering).
    • Connect U1:GPIO19 to Servomotor 2 signal line (throttle control or speed).
    • Connect U1:GPIO20 to 90-degree Servomotor signal line (auxiliary functions).
  • For the ultrasonic sensor, which typically has TRIG and ECHO pins, you can use two more GPIO pins:
    • Connect U1:GPIO21 to Ultrasonic Sensor TRIG.
    • Connect U1:GPIO22 to Ultrasonic Sensor ECHO.
Step 4: Encoder Connections for Feedback (Optional)
If using the encoders on U3 and U4 for feedback (e.g., for precise control or odometry):
  • Connect U3:CLK and U3:DT to two GPIOs on U1 for encoder feedback.
  • Similarly, connect U4:CLK and U4:DT to two other available GPIOs on U1.
Step 5: L298N Control Pins
  • For L298N (U2) input and enable pins, connect them to control the speed and direction of the DC motors:
    • Connect U1:GPIO2 to U2:IN1, U1:GPIO3 to U2:IN2, U1:GPIO4 to U2:ENA for Motor 1 control.
    • Connect U1:GPIO5 to U2:IN3, U1:GPIO6 to U2:IN4, U1:GPIO7 to U2:ENB for Motor 2 control.
Note:
  • Servomotors and ultrasonic sensor specifics are not defined in the given project components. Therefore, these connections are illustrative and based on common configurations.
  • Adjust GPIO connections as needed based on your specific requirements and available pins.
  • Ensure all components are properly powered according to their specifications to prevent damage.
  • Review the Raspberry Pi Pico W datasheet for GPIO voltage and current limitations to ensure compatibility, especially when connecting motors and sensors.
This guide lays out a basic schematic for constructing an RC car with the components you've provided. Adjust the GPIO pin assignments as necessary for your specific design or if you add additional functionality.
1y
create a schematic that uses a raspberry pi pico w to make a rc car. it uses a l298n motor driver and two servomotors. it also have a 90degree servomotor and on top of that an ultrasonic sensor.
1y
@copilot create a high level mermaid block diagram of this project. Include key component's manufacturer part number in each block whenever possible.
1y
Below is a high-level mermaid block diagram of your project. This diagram outlines the main components of your project along with their respective manufacturer part numbers.
graph TD;
    U1[Raspberry Pi SC0914$7$]
    U2[STMicroelectronics L298N]
    U3[KY-040]
    U4[KY-040]

    U1 --> |"GPIO & Control Interfaces"| U2
    U1 -->|User Input| U3
    U1 -->|User Input| U4
    U3 -->|Rotary Encoder Interface| U1
    U4 -->|Rotary Encoder Interface| U1
    U2 -->|Motor Driver Interface| U1
  • U1: This is the main controller for the project, a Raspberry Pi microcontroller unit with part number SC0914$7$. It will handle logic operations, processing, and control signals for other components.
  • U2: The L298N by STMicroelectronics is utilized as a motor driver, receiving control signals from U1 to operate motors.
  • U3 and U4: These are KY-040 rotary encoders, providing user inputs back to U1 for real-time control or adjustment.
This diagram is a simplified representation focusing on major components and their interactions. Further details, like power connections and specific GPIO pins used for communication between components, would depend on the project's specific requirements and design choices.
1y
2
U1 GND - U3 GND
U1 GND - U3 GND
U4 DT - U1 GPIO4
U1 GPIO6 - U2 IN4
U1 GPIO2 - U2 IN1
U1 GND - U3 GND
U1 GND - U3 GND
U1 GPIO3 - U2 IN2
U1 GPIO7 - U2 ENB
U1 GPIO5 - U2 IN3
U3
U4
U2


  • Ground
    A common return path for electric current. Commonly known as ground.
  • 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
  • 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
  • Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
  • 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, 10000uF 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, 220pF, 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 suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
  • 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

Specific Teal Sonic Screwdriver

Specific Teal Sonic Screwdriver thumbnail
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$3.29–$5.25

Mouser

$11.63

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