• 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

Audio Electronics | Copilot Preset wULi

Audio Electronics | Copilot Preset wULi
Description

Created
August 31st 2024
Last updated by judelabs
5 months ago
1 Contributor(s)
judelabs

Controls

Properties

Domain Application
Audio
Compliance
RoHS, FCC, CE
Operating Voltage
12V
Operating Temperature
-40 ºC to 85ºC
Human Interface
LED, Potentiometer
Connectivity
Bluetooth 5.0, 3.5mm Jack, Screw Terminals
Amplifier Type
Class D
Input Source
Line-level from standard audio source
Output Power
Number of Channels
2 (stereo)
Distortion
THD of less than 0.1% at full power
Frequency Response
20Hz to 20kHz

Availability & Pricing

DistributorQty 1
Arrow$0.07–$4.21
Digi-Key$7.65–$47.89
LCSC$23.81
Mouser$10.78–$14.12
Verical$0.07–$4.21

Assets

Simulation

µs

Simulation Speed

Hi! I’m Copilot, I’m here to help you design your hardware projects. Ask me anyt...
Hi! I’m Copilot, I’m here to help you design your hardware projects. Ask me anything:
@copilot can you partner up with me to design a PCB?
@copilot give me a few architecture options for an affordable Al pendant using mermaid diagrams.
@copilot how can I build a schematic with Flux?
To learn more, check out Getting Started with Copilot.
5mo
@copilot I would like to create a device that plays 5 audio files, or sounds when a button is pressed. There will be 5 buttons and one audio out.
5mo
Great! Let's break down the requirements for your device:
Key Components
  1. Microcontroller: To handle the input from the buttons and control the playback of the audio files.
  2. Audio Storage: This can be an SD card or internal flash memory where the audio files are stored.
  3. Audio DAC: To convert the digital audio files to an analog signal.
  4. Amplifier: A small audio amplifier to drive the output to a speaker or headphones.
  5. Buttons: Five push-button switches for triggering the audio files.
  6. Power Supply: Suitable for the microcontroller and peripheral components.
Suggested Components
  1. Microcontroller: ESP32-WROOM-32
  2. SD Card Module: MicroSD Card Module
  3. Audio DAC: PCM5102
  4. Audio Amplifier: Class D Amplifier TPA3116D2
  5. Buttons: Standard Push-Buttons
  6. Power Supply: 5V/12V (depending on your amplifier requirements)
Circuit Design Steps
  1. Microcontroller and Buttons Interface:
    • Connect each button to a GPIO pin of the ESP32.
    • Use pull-down resistors for the buttons to ensure stable logic levels.
  2. Storage Interface:
    • Connect the SD card module to the ESP32 using SPI interface.
    • Ensure proper connection of MISO, MOSI, SCLK, and CS lines.
  3. Audio Output Interface:
    • Connect the PCM5102 DAC to the ESP32 using I2S interface.
    • Connect the output of the PCM5102 DAC to the input of the TPA3116D2 Amplifier.
  4. Power Supply:
    • Provide a stabilized 3.3V supply to the ESP32.
    • Provide suitable power (typically 12V) to the TPA3116D2 Amplifier.
Sample Connections Buttons Connections:
  • Connect Button1 to ESP32: GPIO0
  • Connect Button2 to ESP32: GPIO2
  • Connect Button3 to ESP32: GPIO4
  • Connect Button4 to ESP32: GPIO5
  • Connect Button5 to ESP32: GPIO6
SD Card Module Connections:
  • Connect SD_MISO to ESP32: GPIO19
  • Connect SD_MOSI to ESP32: GPIO23
  • Connect SD_SCLK to ESP32: GPIO18
  • Connect SD_CS to ESP32: GPIO5
DAC Connections (PCM5102):
  • Connect DAC_SDOUT to ESP32: GPIO25 (I2S Data Out)\text{(I2S Data Out)}
  • Connect DAC_LRCK to ESP32: GPIO26 (I2S Left/Right Clock)\text{(I2S Left/Right Clock)}
  • Connect DAC_BCK to ESP32: GPIO27 (I2S Bit Clock)\text{(I2S Bit Clock)}
  • Connect DAC_VDD to 3.3V and GND to GND
Amplifier Connections (TPA3116D2):
  • Connect Amplifier Input+ to DAC Output L+
  • Connect Amplifier Input- to DAC Output L-
  • Connect Amplifier Output to Speaker
  • Connect Amplifier VDD to 12V and GND to GND
Would you like to proceed with this design, or do you have any specific preferences or requirements?
5mo
yes proceed
5mo
Great! Let's proceed step-by-step to ensure we have a clear design.
Step-by-Step Instructions 1. Microcontroller and Buttons Interface
  • We'll use the ESP32-WROOM-32.
  • The push-buttons will connect to GPIO pins on the ESP32, with pull-down resistors to stabilize the logic levels.
Connections:
  • Connect Button1:1 to ESP32: GPIO0, Button1:2 to GND.
  • Connect Button2:1 to ESP32: GPIO2, Button2:2 to GND.
  • Connect Button3:1 to ESP32: GPIO4, Button3:2 to GND.
  • Connect Button4:1 to ESP32: GPIO5, Button4:2 to GND.
  • Connect Button5:1 to ESP32: GPIO6, Button5:2 to GND.
Pull-Down Resistors:
  • Connect one end of each resistor to Button1:1, Button2:1, Button3:1, Button4:1, and Button5:1.
  • Connect the other end of each resistor to GND.
2. Storage Interface
Connections for the SD card module:
  • Connect SD_MISO to ESP32: GPIO19
  • Connect SD_MOSI to ESP32: GPIO23
  • Connect SD_SCLK to ESP32: GPIO18
  • Connect SD_CS to ESP32: GPIO5
  • Connect VCC to 3.3V
  • Connect GND to GND
3. Audio Output Interface
  • Use the PCM5102 DAC for digital to analog conversion.
Connections for the PCM5102 DAC:
  • Connect DAC_SDOUT to ESP32: GPIO25 (I2S Data Out)
  • Connect DAC_LRCK to ESP32: GPIO26 (I2S Left/Right Clock)
  • Connect DAC_BCK to ESP32: GPIO27 (I2S Bit Clock)
  • Connect VDD to 3.3V
  • Connect GND to GND
4. Amplifier Connections
Connections for the TPA3116D2 Amplifier:
  • Connect Amplifier Input+ to DAC Output L+
  • Connect Amplifier Input- to DAC Output L-
  • Connect Amplifier VDD to 12V
  • Connect GND to GND
  • Connect Amplifier Output (L+ and L-) to the speaker terminals
Sample Schematic
Here's a simplified view of the connections in a textual format.
Connections Summary
  1. Buttons:
    • Connect Button1:1 to ESP32: GPIO0, Button1:2 to GND.
    • Connect Button2:1 to ESP32: GPIO2, Button2:2 to GND.
    • Connect Button3:1 to ESP32: GPIO4, Button3:2 to GND.
    • Connect Button4:1 to ESP32: GPIO5, Button4:2 to GND.
    • Connect Button5:1 to ESP32: GPIO6, Button5:2 to GND.
  2. SD Card Module:
    • Connect SD_MISO to ESP32: GPIO19.
    • Connect SD_MOSI to ESP32: GPIO23.
    • Connect SD_SCLK to ESP32: GPIO18.
    • Connect SD_CS to ESP32: GPIO5.
    • Connect VCC to 3.3V.
    • Connect GND to GND.
  3. Audio DAC (PCM5102):
    • Connect DAC_SDOUT to ESP32: GPIO25.
    • Connect DAC_LRCK to ESP32: GPIO26.
    • Connect DAC_BCK to ESP32: GPIO27.
    • Connect VDD to 3.3V.
    • Connect GND to GND.
  4. Amplifier (TPA3116D2):
    • Connect Input+ to DAC Output L+.
    • Connect Input- to DAC Output L-.
    • Connect VDD to 12V.
    • Connect GND to GND.
    • Connect Output to Speaker.
Would you like to start creating the schematic on Flux? Let me know if you need any clarification or any additional features!
5mo
yes create the schematic
5mo
Alright, we'll create the schematic step-by-step. Here are the steps to follow in Flux for setting up this schematic:
Step 1: Add Components
  1. Microcontroller: ESP32-WROOM-32
  2. SD Card Module: MicroSD Card Module
  3. DAC: PCM5102
  4. Amplifier: TPA3116D2
  5. Push-buttons: 5 Standard Push-buttons
  6. Pull-down Resistors: 5 Resistors (10kΩ)
  7. Speaker: 1 Speaker
  8. Power Supplies: 3.3V and 12V
Step 2: Place Components
  • Place the ESP32 centrally to connect all other components.
  • Arrange the buttons on one side for easy connection to GPIO pins.
  • Place the SD card module near the ESP32 for the SPI connection.
  • Place the DAC near the ESP32 for I2S connections.
  • Place the amplifier near the DAC for easy connection.
  • Place the speaker output terminals near the amplifier.
Step 3: Make Connections Button Connections:
  • Connect Button1:1 to ESP32: GPIO0, Button1:2 to GND.
  • Connect Button2:1 to ESP32: GPIO2, Button2:2 to GND.
  • Connect Button3:1 to ESP32: GPIO4, Button3:2 to GND.
  • Connect Button4:1 to ESP32: GPIO5, Button4:2 to GND.
  • Connect Button5:1 to ESP32: GPIO6, Button5:2 to GND.
  • Connect one end of each pull-down resistor to Button1:1, Button2:1, Button3:1, Button4:1, Button5:1.
  • Connect the other end of each resistor to GND.
SD Card Module Connections:
  • Connect SD_MISO to ESP32: GPIO19.
  • Connect SD_MOSI to ESP32: GPIO23.
  • Connect SD_SCLK to ESP32: GPIO18.
  • Connect SD_CS to ESP32: GPIO5.
  • Connect VCC to 3.3V.
  • Connect GND to GND.
DAC Connections (PCM5102):
  • Connect DAC_SDOUT to ESP32: GPIO25 $($I2S Data Out$)$.
  • Connect DAC_LRCK to ESP32: GPIO26 $($I2S Left/Right Clock$)$.
  • Connect DAC_BCK to ESP32: GPIO27 $($I2S Bit Clock$)$.
  • Connect VDD to 3.3V.
  • Connect GND to GND.
Amplifier Connections (TPA3116D2):
  • Connect Amplifier Input+ to DAC Output L+.
  • Connect Amplifier Input- to DAC Output L-.
  • Connect Amplifier VDD to 12V.
  • Connect GND to GND.
  • Connect Amplifier Output $($L+ and L-$)$ to the speaker terminals.
Step 4: Validate and Export
  • Validate the connections with the ERC $($Electrical Rule Check$)$ in Flux.
  • Make sure all components are properly connected and powered.
  • Export the schematic for PCB design if required.
Once you have all these components placed and connected, you can start routing the connections as per the layout. If you’d like, I can provide a step-by-step mermaid diagram for an easy visual representation. Or do you want me to set up the project directly in Flux?
5mo
Set up the project directly in flux
5mo
Since I can't interact with the Flux interface directly, I'll guide you on how to set up the project within Flux. Follow these steps to create your schematic in Flux:
Step 1: Create a New Project
  1. Open Flux and create a new project.
  2. Give your project a meaningful name (e.g., "Audio Player with 5 Buttons").
Step 2: Add Components
  1. Microcontroller:
  2. SD Card Module:
  3. DAC:
    • Search for PCM5102 and add it to your schematic.
  4. Amplifier:
    • Search for TPA3116D2 and add it to your schematic.
  5. Push-Buttons:
    • Search for standard push-buttons and add five of them to your schematic.
  6. Pull-down Resistors:
    • Add five 10kΩ resistors to your schematic.
  7. Speaker:
    • Add a speaker or appropriate output terminals for connecting a speaker.
  8. Power Supply:
    • Add a 3.3V and a 12V power supply to your schematic.
Step 3: Place Components
  • Arrange the components logically:
    • ESP32 in the center.
    • Buttons on one side for easy GPIO connections.
    • SD card module near the ESP32 (for SPI connections).
    • DAC near the ESP32 (for I2S connections).
    • Amplifier near the DAC.
    • Speaker near the amplifier.
Step 4: Make Connections Button Connections:
  • Connect Button1:1 to ESP32: GPIO0, Button1:2 to GND.
  • Connect Button2:1 to ESP32: GPIO2, Button2:2 to GND.
  • Connect Button3:1 to ESP32: GPIO4, Button3:2 to GND.
  • Connect Button4:1 to ESP32: GPIO5, Button4:2 to GND.
  • Connect Button5:1 to ESP32: GPIO6, Button5:2 to GND.
Pull-Down Resistors:
  • Connect one end of each resistor to Button1:1, Button2:1, Button3:1, Button4:1, and Button5:1.
  • Connect the other end of each resistor to GND.
SD Card Module Connections:
  • Connect SD_MISO to ESP32: GPIO19.
  • Connect SD_MOSI to ESP32: GPIO23.
  • Connect SD_SCLK to ESP32: GPIO18.
  • Connect SD_CS to ESP32: GPIO5.
  • Connect VCC to 3.3V.
  • Connect GND to GND.
DAC Connections (PCM5102):
  • Connect DAC_SDOUT to ESP32: GPIO25 $I2S \text{ Data Out}$.
  • Connect DAC_LRCK to ESP32: GPIO26 $I2S \text{ Left/Right Clock}$.
  • Connect DAC_BCK to ESP32: GPIO27 $I2S \text{ Bit Clock}$.
  • Connect VDD to 3.3V.
  • Connect GND to GND.
Amplifier Connections (TPA3116D2):
  • Connect Amplifier Input+ to DAC Output L+.
  • Connect Amplifier Input- to DAC Output L-.
  • Connect Amplifier VDD to 12V.
  • Connect GND to GND.
  • Connect Amplifier Output $L^+$ and $L^-$ to the speaker terminals.
Step 5: Validate
  • Use the ERC $Electrical \text{ Rules Check}$ feature to ensure all connections are correct.
Step 6: PCB Layout (Optional)
  • Once the schematic is validated, you can proceed to design the PCB layout.
Would you like more detailed guidance on any specific steps?
5mo
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.