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collinsemasi

collinsemasi

@copilot explain this project.
1y

copilot

Certainly! The AvocAudio project is a compact, multifunctional board designed primarily for tiny Machine Learning (tinyML) applications focused on audio data collection. The project integrates several components to achieve flexible, efficient data collection and wireless communication. Let's break down the key aspects and components of this project:
Key Features and Overall Description
  • Microcontroller: Raspberry Pi RP2040 serves as the core processing unit.
  • Connectivity: The board integrates a LoRa-E5 LoRaWAN Transceiver Module for long-range wireless communication.
  • Data Storage: It includes an SD card slot for local data storage.
  • Power: Designed to run on solar power or a lithium-ion battery, providing flexibility in power sources and ensuring efficient energy use.
Major Modules and Components Power Management
  • Power Nets: Includes nets such as +3V3, VUSB, VBAT, and VSOLAR for managing different voltage levels and power sources.
Microcontroller and Associated Components
  • RP2040 Module1 (RP2040): Handles processing with multiple GPIO pins connected to different components such as sensors, SD card, and LoRa module.
LoRaWAN Module
  • LoRa-E5 (U6): Wireless transceiver module for LoRaWAN communication. Key connections are LORA_RX, LORA_TX, and LORA_NRST, facilitating data transmission and control signals.
Sensors and Peripherals
  • Temperature and Humidity Sensor (DHT11 or DHT22): Connected for environmental data collection.
  • Microphone (MK1): For collecting audio data, connected via pins like WS, SELECT, BCLK, VDD, and DATA_OUT.
  • SD Card Interface (J1): For local data storage, connected through various GPIO pins.
Key Connections
  • Power Connections:
    • Connect C20:P1 to +3V3:P1
    • Connect MK1:VDD to +3V3
    • Connect C20:P2 to GND
    • Connect RP2040:GND to GND
  • LoRa Module (U6):
    • Connect RP2040:GPIO0 to LORA_RX
    • Connect RP2040:GPIO1 to LORA_TX
    • Connect RP2040:GPIO12 to LORA_NRST
  • Microphone (MK1):
    • Connect RP2040:GPIO10 to MIC_SDA
    • Connect RP2040:GPIO18 to MIC_WS
    • Connect MK1:VDD and MK1:GND for power and ground
  • SD Card (J1):
    • Connect RP2040:GPIO18 to SD_CMD
    • Connect RP2040:GPIO19 to SD_DATA0
    • Connect RP2040:GPIO21 to SD_DATA2
    • Connect RP2040:GPIO22 to SD_DATA3
Additional Notes and Constraints
  • The project has several design constraints and layout notes to ensure proper functionality:
    • C11 Capacitors: Should be placed close to pin 45 of the RP2040 to minimize noise.
    • RF Filter Capacitors (C27): Should be closest to the microphone to filter out unwanted frequencies.
    • One-Wire Protocol: Relies on a pull-up resistor when not actively transmitting. Essential for some of the sensor communication.
Final Thoughts
This project is well-suited for TinyML applications with an emphasis on low power consumption, thanks to its solar power and battery options. The integration of components like the LoRaWAN transceiver and SD card slot allows for real-time data collection and remote data transmission, making it ideal for remote monitoring applications.
Let me know if you need more detail on any specific section or component.
1y
R15
Resistance
10k Ω
Can connect a DHT11 or DHT22 Sensor
R10
Resistance
470 Ω
One-Wire protocol relies on the bus being pulled high by the pull-up resistor when not actively transmitting
MIC_WS
J6
TEMP & HUMIDITY CIRCUIT
MK1
C29
Capacitance
100n F
+3V3
RF filter capacitors, C27, should be the closest to the microphone
+3V3
J8
R12
Resistance
50 Ω
R5
Resistance
5k Ω
DHT_DATA
MIC_SDA
+3V3
MIC_SCL
SW2
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    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
    jharwinbarrozo
    43.0M
  • Power Net 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
    jharwinbarrozo
    11.4M
  • Generic Resistor
    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
    jharwinbarrozo
    1.5M
  • Generic Capacitor
    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 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
    jharwinbarrozo
    1.5M
  • Generic Inductor
    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
    jharwinbarrozo
    15.0k
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • RMCF0805JT47K0
    RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
    jharwinbarrozo
    1.1M

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AvocAudio: A tinyML community board v2 Modules

AvocAudio: A tinyML community board v2 Modules
Description

Created
Last updated by collinsemasi
1 Contributor(s)
collinsemasi

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LCSC$29.51
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Verical$0.34–$0.88

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