# Biskuit AI 9150 ## Description The Biskuit pendant is a WiFi/BLE Enabled wearable AI Diary which captures Images and sounds periodically and creates an audio visual timeline of your day so that you don't forget anything. ## Project Details - **Owner:** collinsemasi - **Created:** 9/13/2024 - **Last Updated:** 9/20/2024 - **Visibility:** Public - **Battery Option:** https://www.lipobattery.us/iec62133-certified-lipo-battery-lp453038-500mah-3-7v-1-85wh-with-pcm-wires-molex-51021-0200/?_gl=1*1lilgtd*_up*MQ..*_ga*NTc1Nzg4MTczLjE3MjM4MjAyOTM.*_ga_08ZLJYQED8*MTcyMzgyMDI4OS4xLjEuMTcyMzgyMDMzNi4wLjAuMTQ2MjQwNTIxMg.. - **Software compatibility:** IOS, WINDOWS, ANDROID - **Operating Temperature:** -20 to 50 - **Description:** The Biskuit pendant is a wearable AI transcription assistant. An innovative device designed to seamlessly integrate into daily activities, providing real-time transcription and note-taking capabilities. Combining advanced AI algorithms with state-of-the-art hardware components, the device offers crystal clear audio recording, durable construction, and convenient features such as cloud synchronization, weatherproofing, and a vibrant display for animations and expressions. - **Microphone TI Ref Design:** https://drive.google.com/file/d/195FT2PQD5LBLPHQvMQ77EjG55xSXPbak/view?usp=sharing - **Human Interface:** Button, Display - **License:** https://ohwr.org/project/cernohl/wikis/home - **Connectivity:** WiFi, Bluetooth - **Reliability Target (MTBF):** 10000hours - **Domain:** Consumer Electronics - **Compliance:** RoHS, REACH - **IP Rating:** IP68 - **Power Requirements:** Battery - **Device Input:** Microphone Array - **Construction:** Aluminum body - **Operating Voltage:** 1.8 - **Battery Lifetime:** 150hrs ## Key Components ### AN1 — [PCB Antenna](https://www.flux.ai/collinsemasi/pcb-antenna.md) - Part Type: Antenna - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### CAM1 — [OV5640](https://www.flux.ai/collinsemasi/ov5640.md) - Datasheet URL: http://www.uctronics.com/download/OV2640_DS.pdf - Manufacturer Part Number: OV5640 - Manufacturer Name: OmniVision **Pins:** - AF-GND [pin 23] - AFVDD2.8V [pin 24] - AGND [pin 2] - AVDD [pin 4] - DATA2 [pin 19] - DATA3 [pin 21] - DATA4 [pin 22] - DATA5 [pin 20] - DATA6 [pin 18] - DATA7 [pin 16] - DATA8 [pin 14] - DATA9 [pin 12] - DGND [pin MT2] - DGND [pin MT1] - DGND [pin 15] - DOVDD [pin 11] - DVDD [pin 10] - HREF [pin 9] - PCLK [pin 17] - PWDN [pin 8] - RESET [pin 6] - SIO_C [pin 5] - SIO_D [pin 3] - STROBE [pin 1] - VSYNC [pin 7] - XCLK [pin 13] ### FB1 — [BLM15HB121SN1D](https://www.flux.ai/adrian95/blm15hb121sn1d.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.murata.com/en-global/products/productdata/8796740223006/ENFA0024.pdf - Part Type: Ferrite Bead - Manufacturer Name: Murata Electronics - Manufacturer Part Number: BLM15HB121SN1D **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [TYPE-C-31-M-12](https://www.flux.ai/vasy_skral/type-c-31-m-12.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2205251630_Korean-Hroparts-Elec-TYPE-C-31-M-12_C165948.pdf - Part Type: Connector - Manufacturer Name: Korean Hroparts Elec - Manufacturer Part Number: TYPE-C-31-M-12 - Symbol Style: Parametric - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin B1A12] - GND [pin A1B12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S3] - SHIELD [pin S1] - SHIELD [pin S4] - SHIELD [pin S2] - VBUS [pin B4A9] - VBUS [pin A4B9] ### J2 — [SM02B-SRSS-TB(LF)(SN)](https://www.flux.ai/collinsemasi/sm02b-srss-tblfsn.md) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eSH.pdf - Manufacturer Name: JST Sales America Inc. - Manufacturer Part Number: SM02B-SRSS-TB **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### LED1 — [LTST-C19HE1WT](https://www.flux.ai/vasy_skral/ltst-c19he1wt.md) - Part Type: LED - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS22-2008-0044/LTST-C19HE1WT.pdf - Manufacturer Part Number: LTST-C19HE1WT **Pins:** - A - B - G - R ### MK1 — [ICS-40618](https://www.flux.ai/collinsemasi/ics-40618.md) - Direction: Omnidirectional - Manufacturer Name: TDK InvenSense - Port Location: Bottom - ECCN: EAR99 - Product Brief: https://invensense.tdk.com/wp-content/uploads/2016/02/PB-000024-ICS-40618-Product-Brief-v1-0.pdf?ref_disty=digikey - Voltage Range: 1.52 V ~ 3.63 V - Sensitivity: -38db ±1dB - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2016/02/DS-000044-ICS-40618-v1.0.pdf?ref_disty=digikey - REACH Status: REACH Unaffected - Output Type: Analog - Frequency Range: 50 Hz ~ 20 kHz - RoHS Status: ROHS3 Compliant - Moisture Sensitivity Level (MSL): 1 (Unlimited) - HTSUS: 8518.10.8030 - Supply Current: 190 µA - Part Type: Microphone - Manufacturer Part Number: ICS-40618 - S/N Ration: 67dB **Pins:** - GND [pin 3] - GND__1 [pin 4] - OUTPUT- [pin 2] - OUTPUT+ [pin 1] - VDD [pin 5] ### MK2 — [ICS-40618](https://www.flux.ai/collinsemasi/ics-40618.md) - RoHS Status: ROHS3 Compliant - REACH Status: REACH Unaffected - Output Type: Analog - Frequency Range: 50 Hz ~ 20 kHz - Voltage Range: 1.52 V ~ 3.63 V - Sensitivity: -38db ±1dB - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2016/02/DS-000044-ICS-40618-v1.0.pdf?ref_disty=digikey - Product Brief: https://invensense.tdk.com/wp-content/uploads/2016/02/PB-000024-ICS-40618-Product-Brief-v1-0.pdf?ref_disty=digikey - ECCN: EAR99 - Manufacturer Name: TDK InvenSense - Port Location: Bottom - Direction: Omnidirectional - Manufacturer Part Number: ICS-40618 - S/N Ration: 67dB - Part Type: Microphone - Supply Current: 190 µA - HTSUS: 8518.10.8030 - Moisture Sensitivity Level (MSL): 1 (Unlimited) **Pins:** - GND [pin 3] - GND__1 [pin 4] - OUTPUT- [pin 2] - OUTPUT+ [pin 1] - VDD [pin 5] ### MK3 — [ICS-40618](https://www.flux.ai/collinsemasi/ics-40618.md) - Direction: Omnidirectional - Manufacturer Name: TDK InvenSense - Port Location: Bottom - ECCN: EAR99 - Product Brief: https://invensense.tdk.com/wp-content/uploads/2016/02/PB-000024-ICS-40618-Product-Brief-v1-0.pdf?ref_disty=digikey - Voltage Range: 1.52 V ~ 3.63 V - Sensitivity: -38db ±1dB - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2016/02/DS-000044-ICS-40618-v1.0.pdf?ref_disty=digikey - REACH Status: REACH Unaffected - Frequency Range: 50 Hz ~ 20 kHz - Output Type: Analog - RoHS Status: ROHS3 Compliant - Moisture Sensitivity Level (MSL): 1 (Unlimited) - HTSUS: 8518.10.8030 - Supply Current: 190 µA - Part Type: Microphone - Manufacturer Part Number: ICS-40618 - S/N Ration: 67dB **Pins:** - GND [pin 3] - GND__1 [pin 4] - OUTPUT- [pin 2] - OUTPUT+ [pin 1] - VDD [pin 5] ### MK4 — [ICS-40618](https://www.flux.ai/collinsemasi/ics-40618.md) - Output Type: Analog - Frequency Range: 50 Hz ~ 20 kHz - REACH Status: REACH Unaffected - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2016/02/DS-000044-ICS-40618-v1.0.pdf?ref_disty=digikey - Sensitivity: -38db ±1dB - Voltage Range: 1.52 V ~ 3.63 V - RoHS Status: ROHS3 Compliant - Manufacturer Name: TDK InvenSense - Port Location: Bottom - Direction: Omnidirectional - Product Brief: https://invensense.tdk.com/wp-content/uploads/2016/02/PB-000024-ICS-40618-Product-Brief-v1-0.pdf?ref_disty=digikey - ECCN: EAR99 - S/N Ration: 67dB - Manufacturer Part Number: ICS-40618 - Part Type: Microphone - HTSUS: 8518.10.8030 - Moisture Sensitivity Level (MSL): 1 (Unlimited) - Supply Current: 190 µA **Pins:** - GND [pin 3] - GND__1 [pin 4] - OUTPUT- [pin 2] - OUTPUT+ [pin 1] - VDD [pin 5] ### Q1 — [MMBT2222A](https://www.flux.ai/jecstronic/mmbt2222a.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi - Part Type: Transistor - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT2222A.pdf - Leakage Current: 1e-13A - Manufacturer Part Number: MMBT2222A - Beta / hFe: 100 **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q3 — [SSM3K15ACTC,L3F](https://www.flux.ai/vasy_skral/ssm3k15actccl3f.md) - Manufacturer Name: Toshiba Semiconductor and Storage - Datasheet URL: https://toshiba.semicon-storage.com/info/SSM3K15ACTC_datasheet_en_20171130.pdf?did=52901&prodName=SSM3K15ACTC - Manufacturer Part Number: SSM3K15ACTC,L3F - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### SW1 — [PTS810SJM250SMTRLFS](https://www.flux.ai/collinsemasi/pts810sjm250smtrlfs.md) - Bounce Time: ≤ 10 ms - Manufacturer Name: C & K - Maximum Current DC: 50mA - Dielectric Strength: 250 VA C (1mn) - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Part Type: Switch - Manufacturer Part Number: PTS815 SJG 250 SMTR LFS - Maximum Voltage: 12VDC **Pins:** - 3 [pin 3] - 1 [pin 1] - 4 [pin 4] - 2 [pin 2] ### SW3 — [PTS810SJM250SMTRLFS](https://www.flux.ai/collinsemasi/pts810sjm250smtrlfs.md) - Manufacturer Part Number: PTS815 SJG 250 SMTR LFS - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Part Type: Switch - Maximum Voltage: 12VDC - Maximum Current DC: 50mA - Dielectric Strength: 250 VA C (1mn) - Bounce Time: ≤ 10 ms - Manufacturer Name: C & K **Pins:** - 3 [pin 3] - 1 [pin 1] - 4 [pin 4] - 2 [pin 2] ### U1 — [TLV320ADC5140IRTWR](https://www.flux.ai/collinsemasi/tlv320adc5140irtwr.md) - License: https://creativecommons.org/licenses/by/4.0/ - Fs: 768kHz - Manufacturer Name: Texas Instruments - Operating Temperature: -40°C ~ 125°C (TA) - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv320adc5140.pdf - Operating Voltage: 1.7V ~ 3.6V, 1.65V ~ 3.6V - Part Type: Integrated Circuit - Data Interface: I2C, SPI - Symbol Style: Parametric - Manufacturer Part Number: TLV320ADC5140IRTWR **Pins:** - ADDR0_SCLK [pin 16] - ADDR1_MISO [pin 15] - AREG [pin 2] - AVDD [pin 1] - AVSS [pin 4] - BCLK [pin 22] - DREG [pin 24] - FSYNC [pin 23] - GPIO1 [pin 20] - IN1M_GPO1 [pin 7] - IN1P_GPI1 [pin 6] - IN2M_GPO2 [pin 9] - IN2P_GPI2 [pin 8] - IN3M_GPO3 [pin 11] - IN3P_GPI3 [pin 10] - IN4M_GPO4 [pin 13] - IN4P_GPI4 [pin 12] - IOVDD [pin 19] - MICBIAS [pin 5] - SCL_MOSI [pin 17] - SDA_SSZ [pin 18] - SDOUT [pin 21] - SHDNZ [pin 14] - VREF [pin 3] - VSS [pin 25] ### U2 — [BQ21062YFPR](https://www.flux.ai/collinsemasi/bq21062yfpr.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq21062.pdf - Charge current - Max: 500mA - Substitute Manufacturer Part Number: BQ21062YFPR - Manufacturer Name: Texas Instruments - Package or Case Code: 20-XFBGA, DSBGA **Pins:** - /CE [pin C2] - /INT [pin D2] - /LP [pin D3] - /MR [pin C1] - /PG [pin B1] - BAT_1 [pin A3] - BAT_2 [pin B3] - GND [pin A4] - IN [pin A1] - LS/LDO [pin D4] - NC1 [pin C3] - NC2 [pin C4] - PMID_1 [pin A2] - PMID_2 [pin B2] - SCL [pin E3] - SDA [pin E2] - TS [pin B4] - VDD [pin D1] - VINLS [pin E4] - VIO [pin E1] ### U3 — [TLV74018PDQNR](https://www.flux.ai/vasy_skral/tlv74018pdqnr.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv740p.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TLV74018PDQNR - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments **Pins:** - EN [pin 3] - GND [pin 2] - IN [pin 4] - OUT [pin 1] - THERMAL PAD [pin 5] ### U4 — [ESP32-S3](https://www.flux.ai/collinsemasi/esp32-s3.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: Parametric - Manufacturer Part Number: ESP32-S3 - Manufacturer Name: Espressif Systems - Part Type: RF Transceiver IC **Pins:** - CHIP_PU [pin 4] - GND [pin 57] - GPIO0 [pin 5] - GPIO1 [pin 6] - GPIO10 [pin 15] - GPIO11 [pin 16] - GPIO12 [pin 17] - GPIO13 [pin 18] - GPIO14 [pin 19] - GPIO17 [pin 23] - GPIO18 [pin 24] - GPIO19/USB_D- [pin 25] - GPIO2 [pin 7] - GPIO20/USB_D+ [pin 26] - GPIO21 [pin 27] - GPIO3 [pin 8] - GPIO33 [pin 38] - GPIO34 [pin 39] - GPIO35 [pin 40] - GPIO36 [pin 41] - GPIO37 [pin 42] - GPIO38 [pin 43] - GPIO4 [pin 9] - GPIO45 [pin 51] - GPIO46 [pin 52] - GPIO5 [pin 10] - GPIO6 [pin 11] - GPIO7 [pin 12] - GPIO8 [pin 13] - GPIO9 [pin 14] - LNA_IN [pin 1] - MTCK [pin 44] - MTDI [pin 47] - MTDO [pin 45] - MTMS [pin 48] - SPICLK [pin 33] - SPICLK_N [pin 36] - SPICLK_P [pin 37] - SPICS0 [pin 32] - SPICS1 [pin 28] - SPID [pin 35] - SPIHD [pin 30] - SPIQ [pin 34] - SPIWP [pin 31] - U0RXD [pin 50] - U0TXD [pin 49] - VDD_SPI [pin 29] - VDD3P3 [pin 3] - VDD3P3 [pin 2] - VDD3P3_CPU [pin 46] - VDD3P3_RTC [pin 20] - VDDA [pin 56] - VDDA [pin 55] - XTAL_32K_N [pin 22] - XTAL_32K_P [pin 21] - XTAL_N [pin 53] - XTAL_P [pin 54] ### U5 — [AT25SF161B-UUB-T](https://www.flux.ai/collinsemasi/at25sf161b-uub-t.md) - Datasheet URL: https://www.renesas.com/us/en/document/dst/at25sf161b-datasheet - Manufacturer Name: Renesas Electronics Corporation - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: AT25SF161B-UUB-T **Pins:** - ~CS [pin A3] - ~HOLD [pin C1] - ~WP [pin E3] - GND [pin B2] - SCK [pin E1] - SI(I/O0) [pin D2] - SO(I/O1) [pin C3] - VCC [pin A1] ### U6 — [TLV74028PDQNR](https://www.flux.ai/vasy_skral/tlv74028pdqnr.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv740p.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TLV74028PDQNR - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments **Pins:** - EN [pin 3] - GND [pin 2] - IN [pin 4] - OUT [pin 1] - THERMAL PAD [pin 5] ### Y1 — [CX2016DB40000D0FLJCC](https://www.flux.ai/adrian95/cx2016db40000d0fljcc.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1139/CX2016DB_Series_Spec.pdf - Manufacturer Part Number: CX2016DB40000D0FLJCC - Part Type: Oscillator - Manufacturer Name: KYOCERA AVX - Frequency: 40MHz ±10 ppm. **Pins:** - GND_1 [pin 2] - GND_2 [pin 4] - HOT_1 [pin 1] - HOT_2 [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/collinsemasi/biskuit-ai-9150](https://www.flux.ai/collinsemasi/biskuit-ai-9150).* --- *Generated from [https://www.flux.ai/collinsemasi/biskuit-ai-9150](https://www.flux.ai/collinsemasi/biskuit-ai-9150)*