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Welcome to Flux

Treat Flux like your intern. Tell it what you'd like to build and it'll get to work. You can also ask it questions, brainstorm ideas, and teach it your preferences. Learn More

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Find schematic issues
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Simulate a circuit
Prepare for Manufacturing
Component Selection Workflow
New Subsystem Wizard
Write I2C initialization code
Generate firmware skeleton
Module4
Voltage Regulator Current Limit Module 3.3V Out
Module3
Voltage Regulator SMPS 3.3V Out
U1
Module5
SD Card Module
Module2
Power Source Selector Module
Module1
Crystal Oscillator (12 MHz) Module
SD_DATA1
SD_CLK
SD_DATA0
XIN
Module1 GND - U1 GND
SD_DATA3
USB_D-
XOUT
SD_DATA2
USB_D+
SD_DATA1
SD_CMD
SD_CLK
XOUT
USB_D+
SD_DATA3
SD_DATA0
SD_DATA2
SD_CMD
XIN
USB_D-
C10
Capacitance
0.1µF
C12
Capacitance
0.1µF
C13
Capacitance
0.1µF
C6
Capacitance
0.1µF
C8
Capacitance
0.1µF
C2
Capacitance
0.1µF
C4
Capacitance
0.1µF
C7
Capacitance
0.1µF
C9
Capacitance
0.1µF
C11
Capacitance
0.1µF
C3
Capacitance
0.1µF
STORAGE & FLASH
VBAT
3V3
POWER INPUT
POWER SELECTION
3V3
VSOLAR
VSOLAR
VIN
VUSB
3V3
1V1
INPUT CIRCUITS
OUTPUT CIRCUITS
1V1
VBAT
VIN
SOLAR
VIN
VBAT
DECOUPLING CAPACITORS 1.1V
Line 1
Place as close as possible to the MCU 1.1V lines - DVDD and GND pins
1V1
CONTROL CIRCUIT (MCU)
USB-C
VBAT
VUSB
3V3
BATTERY
POWER REGULATION
3V3
3V3
R7
Resistance
27.4 Ω
R8
Resistance
27.4 Ω
J3
C1
Capacitance
1µF
C5
Capacitance
1µF
J1
J2

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    Avocaudio (Modular) 04_11 Done

    Avocaudio (Modular) 04_11 Done thumbnail
    AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. It leverages the Raspberry Pi RP2040 and integrates a LoRa-E5 LoRaWAN Transceiver Module for connectivity. Equipped with an SD card slot for local data storage, the board ensures efficient data collection. The board operates on solar power or a lithium-ion battery, ensuring flexible and efficient energy use. #audioDevices #raspberryPi #rp2040 #lorawan #iot #solar

    Properties

    creativecommons.org/licenses/by/4.0/

    Scientific

    RoHS

    3.3

    V

    LoRaWAN

    Buttons

    Microphone, Temperature Sensor, Humidity Sensor

    SD Card

    Audio

    Pricing & Availability

    Distributor

    Qty 1

    Arrow

    $1.06–$1.67

    Digi-Key

    $1.41–$1.42

    LCSC

    $2.23–$2.42

    Mouser

    $1.16

    Verical

    $0.34–$0.74

    Controls