# AvocAudio 02_02_Start ## Description 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 ## Project Details - **Owner:** pokemonprofessor - **Created:** 2/10/2025 - **Last Updated:** 2/10/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Operating Voltage:** 3.3 - **Domain:** Scientific - **Data Storage:** SD Card - **Compliance:** RoHS - **Human Interface:** Buttons - **Sensor Interface:** Microphone, Temperature sensor, Humidity sensor - **Data type:** Audio - **Connectivity:** LoRaWAN - **Stars:** 1 ## Key Components ### D1 — [SS34](https://www.flux.ai/jecstronic/ss34~8tm.md) - Description: Diode 40 V 3A Surface Mount SMC (DO-214AB) - Part Type: Diode - Manufacturer Part Number: SS34 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.onsemi.com/pdf/datasheet/ss39-d.pdf - Manufacturer Name: onsemi **Pins:** - A [pin 2] - K [pin 1] ### D4 — [LED_0603_1608Metric](https://www.flux.ai/adrian95/led06031608metric~990.md) - Forward Voltage: 2.0V - Current: 20mA - Manufacturer Part Number: NCD0603R1 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603R1_C84263.pdf - Color: Red - Manufacturer Name: Foshan NationStar Optoelectronics **Pins:** - P1 [pin 1] - P2 [pin 2] ### D5 — [LED_0603_1608Metric](https://www.flux.ai/adrian95/led06031608metric~990.md) - Manufacturer Name: Foshan NationStar Optoelectronics - Manufacturer Part Number: NCD0603C1 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603C1_C84264.pdf - Forward Voltage: 2.0V - Forward Current: 20mA - Color: Green - Part Type: LED **Pins:** - P1 [pin 1] - P2 [pin 2] ### J1 — [1140084168](https://www.flux.ai/collinsemasi/1140084168~wa.md) - Number of positions: 10 (8 + 2) - Insertion/Removal method: Push In, Pull Out - Compliance: RoHS - Card Type: Secure Digital - microSD™ - Manufacturer Part Number: 114-00841-68 - Part Type: Connector - Manufacturer Name: Amphenol ICC (Commercial Products) - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1139/114-00841-68.pdf **Pins:** - S4 [pin S4] - S2 [pin S2] - S3 [pin S3] - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] - SHIELD [pin S1] ### J2 — [JST B2B PH K 01x02 Connector](https://www.flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md) - Manufacturer Name: JST Sales America - Part Type: Connector - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J3 — [10118192-0001LF](https://www.flux.ai/jecstronic/10118192-0001lf~agz.md) - Part Type: USB B - Datasheet URL: https://cdn.amphenol-cs.com/media/wysiwyg/files/documentation/datasheet/inputoutput/io_usb_micro.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Amphenol ICC (FCI) - Manufacturer Part Number: 10118192-0001LF **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 5] - ID [pin 4] - SHIELD [pin SH1] - SHIELD [pin SH4] - SHIELD [pin SH2] - SHIELD [pin SH3] - SHIELD [pin SH6] - SHIELD [pin SH5] - VUSB [pin 1] ### J4 — [IPEX1](https://www.flux.ai/collinsemasi/ipex1~7o.md) - Impedance: 50Ω - License: https://creativecommons.org/licenses/by/4.0/ - Number of Ports: 1 - Datasheet URL: https://datasheet.lcsc.com/lcsc/2208151830_BAT-WIRELESS-BWU-FL-IPEX1_C5137195.pdf - Interface Length: 1.25mm - Part Type: Connector - Frequency Max: 6GHz - RF Series: IPEX - Manufacturer Part Number: BWU.FL-IPEX1 - Interface Diameter: 2mm - Manufacturer Name: BAT WIRELESS **Pins:** - GND [pin 1] - GND [pin 3] - SIGNAL [pin 2] ### J5 — [OSTVN02A150](https://www.flux.ai/collinsemasi/ostvn02a150~fy.md) - Manufacturer Part Number: OSTVN02A150 - Manufacturer Name: On Shore Technology Inc. - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1123/OSTVNXXA150.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J6 — [B4B-PH-K-S (LF)(SN)](https://www.flux.ai/jecstronic/b4b-ph-k-s-lfsn~r8.md) - Manufacturer Name: JST Sales America Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: B4B-PH-K-S (LF)(SN) - Part Type: Connector - Interface: To interface DH11 or DH22 - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf **Pins:** - PIN_1 [pin 1] - PIN_2 [pin 2] - PIN_3 [pin 3] - PIN_4 [pin 4] ### MK1 — [SPH0645LM4H-B](https://www.flux.ai/vasy_skral/sph0645lm4h-b~ymg.md) - Voltage Range: 1.62 V ~ 3.6 V V - Manufacturer Part Number: SPH0645LM4H-B - Current - Supply: 600uA - S/N Ration: 65dB - Rated Voltage: 1.8V - Direction: Omnidirectional - Microphone Type: MEMS (Silicon) - Sensitivity: -26dB ±3dB @ 94dB SPL - Frequency Range: 20 Hz ~ 10 kHz - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Knowles%20Acoustics%20PDFs/SPH0645LM4H-B.pdf - Part Type: Sensor - Manufacturer Name: Knowles **Pins:** - BCLK [pin 4] - DATA_OUT [pin 6] - GND [pin 3] - SELECT [pin 2] - VDD [pin 5] - WS [pin 1] ### Q1 — [SI2333DS-T1-E3](https://www.flux.ai/jecstronic/si2333ds-t1-e3~hq.md) - Part Type: Transistor - Manufacturer Name: Vishay Siliconix - Datasheet URL: https://www.vishay.com/docs/72023/si2333ds.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SI2333DS-T1-E3 **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### SW1 — [Tactile Switch SPST-NO PTS526 SK15 SMTR2 LFS](https://www.flux.ai/collinsemasi/tactile-switch-spst-no-pts526-sk15-smtr2-lfs~83.md) - Manufacturer Name: C&K - Manufacturer Part Number: PTS526 SK15 SMTR2 LFS - Datasheet URL: https://www.ckswitches.com/media/2780/pts526.pdf - Part Type: Switch **Pins:** - 2 [pin 2] - 4 [pin 4] - 1 [pin 1] - 3 [pin 3] ### SW2 — [Tactile Switch SPST-NO PTS526 SK15 SMTR2 LFS](https://www.flux.ai/collinsemasi/tactile-switch-spst-no-pts526-sk15-smtr2-lfs~83.md) - Part Type: Switch - Manufacturer Part Number: PTS526 SK15 SMTR2 LFS - Datasheet URL: https://www.ckswitches.com/media/2780/pts526.pdf - Manufacturer Name: C&K **Pins:** - 2 [pin 2] - 4 [pin 4] - 1 [pin 1] - 3 [pin 3] ### U2 — [W25Q128JVSIQ](https://www.flux.ai/jecstronic/w25q128jvsiq~tqj.md) - Memory Format: FLASH - Memory Interface: SPI - Quad I/O, QPI, DTR - Memory organization: 16M x 8 - Operating Voltage: 2.7V ~ 3.6V - Memory Type: Non-Volatile - Technology: FLASH - NOR - Compliance: REACH - Manufacturer Part Number: W25Q128JVSIQ - Memory Size: 128Mbit - Operating Temperature: -40°C ~ 85°C (TA)°C - Manufacturer Name: Winbond Electronics - Part Type: Integrated Circuit - Write Cycle Time - Word, page: 3ms - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811142111_Winbond-Elec-W25Q128JVSIQ_C97521.pdf - Clock Frequency: 133 MHz **Pins:** - ~CS [pin 1] - CLK [pin 6] - DI(IO0) [pin 5] - DO(IO1) [pin 2] - GND [pin 4] - IO2 [pin 3] - IO3 [pin 7] - VCC [pin 8] ### U5 — [CN3063 Test](https://www.flux.ai/collinsemasi/cn3063-test~g2.md) - Additional Features: - Undervoltage lockout - Automatic recharge - Battery temperature sensing - Charging/termination indicator - Regulation voltage: Internally fixed at 4.2V with 1% accuracy, adjustable with external resistor - Part Type: Complete constant-current/constant voltage linear charger - Programmable charge current: Yes, programmable externally with a single resistor - Battery compatibility: Single cell Li-ion and Li Polymer rechargeable batteries - Manufacturer Part Number: CN3063 - Compliance: REACH - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: SOP-8-EP - On-chip components: - Power MOSFET - 8-bit ADC - Manufacturer Name: Shanghai Consonance Elec - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811051510_ShangHai-Consonance-Elec-CN3063_C28078.pdf - Part Type: Integrated Circuit - Low power mode: Automatically enters low power sleep mode (< 3uA battery drain) when input supply is removed **Pins:** - 9 [pin 9] - ~CHARG [pin 7] - ~DONE [pin 6] - BAT [pin 5] - FB [pin 8] - GND [pin 3] - ISET [pin 2] - TEMP [pin 1] - VIN [pin 4] ### U6 — [LoRa-E5 (STM32WLE5JC)](https://www.flux.ai/seeedstudio/wio-e5-stm32wle5jc~gl.md) - Manufacturer Name: Seeed Technology Co., Ltd - Datasheet URL: https://files.seeedstudio.com/products/317990687/res/LoRa-E5%20module%20datasheet_V1.0.pdf - Part Type: RF Transceiver Module - Manufacturer Part Number: 317990687 **Pins:** - GND [pin 16] - GND [pin 14] - GND [pin 22] - GND [pin 2] - PA0 [pin 23] - PA10 [pin 27] - PA13 [pin 3] - PA14 [pin 4] - PA15 [pin 6] - PA2 [pin 19] - PA3 [pin 18] - PA9 [pin 21] - PB0 [pin 28] - PB10 [pin 20] - PB13 [pin 24] - PB14 [pin 26] - PB15 [pin 5] - PB3 [pin 8] - PB4 [pin 7] - PB5 [pin 11] - PB6 [pin 10] - PB7 [pin 9] - PB9 [pin 25] - PC0 [pin 13] - PC1 [pin 12] - RFIO [pin 15] - RST [pin 17] - VCC [pin 1] ### Y1 — [CRYSTAL 12MHZ 18PF SMD FL1200112](https://www.flux.ai/collinsemasi/crystal-12mhz-18pf-smd-fl1200112~ce.md) - Frequency Stability: ±30ppm - Manufacturer Name: Diodes Incorporated - Operating Temperature: -40 ~ 85°C - Manufacturer Part Number: FL1200112 - Frequency: 12MHz - Datasheet URL: https://www.diodes.com/assets/Datasheets/FL.pdf - Load capacitance: 18pF - Operating mode: Fundamental - ESR (Equivalent Series Resistance): 80Ohms - Compliance: RoHS, REACH **Pins:** - CASE_1 [pin 2] - CASE_2 [pin 4] - XTAL_1 [pin 1] - XTAL_2 [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/pokemonprofessor/avocaudio-0202start~wf](https://www.flux.ai/pokemonprofessor/avocaudio-0202start~wf).* --- *Generated from [https://www.flux.ai/pokemonprofessor/avocaudio-0202start~wf](https://www.flux.ai/pokemonprofessor/avocaudio-0202start~wf)*