# pundit.ai ## Description 1. Overview: The Pundit 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. 2. Hardware Specifications: * Rechargeable Battery: Lithium-ion battery providing up to 150 hours of continuous operation. * Construction: Durable aluminum body ensuring longevity and protection against wear and tear. * Audio Quality: High-fidelity microphone array for clear and accurate transcription, with noise cancellation technology. * Weatherproofing: Sealed construction to withstand various weather conditions, making it suitable for outdoor use. * Versatile Mounting: Equipped with a magnetic clasp for easy attachment to clothing or accessories. * Connectivity: Wi-Fi and Bluetooth connectivity for seamless data transfer and integration with other devices. * Charging: USB-C port for fast and convenient charging, with support for various power sources. * Input Microphone Array: Multiple microphones strategically placed for optimal audio capture and transcription accuracy. * Display: Colorful screen for displaying animations, expressions, and status indicators, enhancing user interaction and personalization. 3. Software Features: * Real-time Transcription: Utilizes AI algorithms for instant transcription of spoken words into text, with high accuracy. * Note-taking: Automatically creates and organizes notes based on conversations, timestamps, and contextual cues. * Audio Recording: One-touch button for initiating audio recording, with options for manual or automatic saving. * Cloud Synchronization: Syncs transcription data to the cloud for easy access and retrieval from any device. * Speech Recognition: Advanced speech recognition technology for identifying speakers and distinguishing between multiple voices. * Language Support: Multilingual support for transcription and note-taking in various languages. * Customization: User-configurable settings for adjusting transcription preferences, language models, and display animations. * Security: Encryption and authentication protocols to ensure the privacy and security of transcription data. 4. Dimensions and Weight: * Dimensions: Compact and lightweight design for comfortable wearability. * Weight: Minimal weight to prevent discomfort during prolonged use. 5. Compatibility: * Operating Systems: Compatible with iOS, Android, and other major operating systems. * Applications: Integration with popular productivity and communication apps for seamless workflow management. 6. Warranty and Support: * Warranty: Manufacturer's warranty covering defects in materials and workmanship. * Support: Dedicated customer support for technical assistance, troubleshooting, and software updates. 7. Target Market: * Professionals: Ideal for professionals in various industries, including journalists, researchers, students, and business professionals. * Outdoor Enthusiasts: Suitable for outdoor activities such as hiking, camping, and fieldwork where reliable transcription and note-taking are essential. * Everyday Users: Provides convenience and efficiency for everyday tasks, such as meetings, lectures, and personal reminders. 8. Conclusion: The Wearable AI Transcription Assistant sets a new standard for wearable technology, offering unmatched transcription and note-taking capabilities in a compact and durable package. With its advanced features, seamless connectivity, vibrant display, and user-friendly design, it is poised to revolutionize how we capture and manage information in our daily lives while adding a touch of personality and fun with customizable animations and expressions. ## Project Details - **Owner:** collinsemasi - **Created:** 5/2/2024 - **Last Updated:** 4/9/2025 - **Visibility:** Public - **Software compatibility:** IOS, WINDOWS, ANDROID - **Operating Temperature:** -20 to 50 - **Description:** The Pundit 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. - **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 - **Stars:** 1 - **Forks:** 1 - **Copies:** 3 ## Key Components ### D1 — [LED_0603_1608Metric](https://www.flux.ai/adrian95/led06031608metric~990.md) - Forward Voltage: 2.0V - Manufacturer Part Number: NCD0603C1 - License: https://creativecommons.org/licenses/by/4.0/ - Color: Green - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603C1_C84264.pdf - Manufacturer Name: Foshan NationStar Optoelectronics - Forward Current: 20mA - Part Type: LED **Pins:** - P1 [pin 1] - P2 [pin 2] ### D3 — [LED_0603_1608Metric](https://www.flux.ai/adrian95/led06031608metric~990.md) - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603R1_C84263.pdf - Current: 20mA - Forward Voltage: 2.0V - Manufacturer Name: Foshan NationStar Optoelectronics - Color: Red - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: NCD0603R1 **Pins:** - P1 [pin 1] - P2 [pin 2] ### D4 — [LED_0603_1608Metric](https://www.flux.ai/adrian95/led06031608metric~990.md) - Color: Green - Part Type: LED - Forward Current: 20mA - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603C1_C84264.pdf - Manufacturer Name: Foshan NationStar Optoelectronics - Forward Voltage: 2.0V - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: NCD0603C1 **Pins:** - P1 [pin 1] - P2 [pin 2] ### J1 — [10118192-0001LF](https://www.flux.ai/jecstronic/10118192-0001lf~agz.md) - Datasheet URL: https://cdn.amphenol-cs.com/media/wysiwyg/files/documentation/datasheet/inputoutput/io_usb_micro.pdf - Part Type: USB B - Manufacturer Part Number: 10118192-0001LF - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Amphenol ICC (FCI) **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] ### MK1 — [ICS-40618](https://www.flux.ai/collinsemasi/ics-40618~sj.md) - Moisture Sensitivity Level (MSL): 1 (Unlimited) - Sensitivity: -38db ±1dB - RoHS Status: ROHS3 Compliant - Product Brief: https://invensense.tdk.com/wp-content/uploads/2016/02/PB-000024-ICS-40618-Product-Brief-v1-0.pdf?ref_disty=digikey - HTSUS: 8518.10.8030 - Manufacturer Part Number: ICS-40618 - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2016/02/DS-000044-ICS-40618-v1.0.pdf?ref_disty=digikey - Supply Current: 190 µA - Voltage Range: 1.52 V ~ 3.63 V - Manufacturer Name: TDK InvenSense - REACH Status: REACH Unaffected - S/N Ration: 67dB - Frequency Range: 50 Hz ~ 20 kHz - ECCN: EAR99 - Part Type: Microphone - Direction: Omnidirectional - Port Location: Bottom - Output Type: Analog **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~sj.md) - Port Location: Bottom - Output Type: Analog - Frequency Range: 50 Hz ~ 20 kHz - Direction: Omnidirectional - ECCN: EAR99 - Part Type: Microphone - Supply Current: 190 µA - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2016/02/DS-000044-ICS-40618-v1.0.pdf?ref_disty=digikey - S/N Ration: 67dB - REACH Status: REACH Unaffected - Manufacturer Name: TDK InvenSense - Voltage Range: 1.52 V ~ 3.63 V - Sensitivity: -38db ±1dB - Moisture Sensitivity Level (MSL): 1 (Unlimited) - Manufacturer Part Number: ICS-40618 - HTSUS: 8518.10.8030 - Product Brief: https://invensense.tdk.com/wp-content/uploads/2016/02/PB-000024-ICS-40618-Product-Brief-v1-0.pdf?ref_disty=digikey - RoHS Status: ROHS3 Compliant **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~sj.md) - Voltage Range: 1.52 V ~ 3.63 V - Manufacturer Name: TDK InvenSense - REACH Status: REACH Unaffected - S/N Ration: 67dB - Supply Current: 190 µA - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2016/02/DS-000044-ICS-40618-v1.0.pdf?ref_disty=digikey - RoHS Status: ROHS3 Compliant - Product Brief: https://invensense.tdk.com/wp-content/uploads/2016/02/PB-000024-ICS-40618-Product-Brief-v1-0.pdf?ref_disty=digikey - HTSUS: 8518.10.8030 - Manufacturer Part Number: ICS-40618 - Moisture Sensitivity Level (MSL): 1 (Unlimited) - Sensitivity: -38db ±1dB - Output Type: Analog - Port Location: Bottom - Part Type: Microphone - ECCN: EAR99 - Direction: Omnidirectional - Frequency Range: 50 Hz ~ 20 kHz **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~sj.md) - S/N Ration: 67dB - Manufacturer Name: TDK InvenSense - Voltage Range: 1.52 V ~ 3.63 V - REACH Status: REACH Unaffected - Supply Current: 190 µA - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2016/02/DS-000044-ICS-40618-v1.0.pdf?ref_disty=digikey - HTSUS: 8518.10.8030 - Manufacturer Part Number: ICS-40618 - RoHS Status: ROHS3 Compliant - Product Brief: https://invensense.tdk.com/wp-content/uploads/2016/02/PB-000024-ICS-40618-Product-Brief-v1-0.pdf?ref_disty=digikey - Sensitivity: -38db ±1dB - Moisture Sensitivity Level (MSL): 1 (Unlimited) - Output Type: Analog - Port Location: Bottom - Direction: Omnidirectional - ECCN: EAR99 - Part Type: Microphone - Frequency Range: 50 Hz ~ 20 kHz **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~vwv.md) - Manufacturer Name: onsemi - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT2222A.pdf - Leakage Current: 1e-13A - Part Type: Transistor - Beta / hFe: 100 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MMBT2222A **Pins:** - B [pin 1] - C [pin 3] - E [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) - Datasheet URL: https://www.ckswitches.com/media/2780/pts526.pdf - Manufacturer Part Number: PTS526 SK15 SMTR2 LFS - Manufacturer Name: C&K - Part Type: Switch **Pins:** - 4 [pin 4] - 2 [pin 2] - 1 [pin 1] - 3 [pin 3] ### U1 — [PCM1864DBTR](https://www.flux.ai/collinsemasi/pcm1864dbtr~qr.md) - Manufacturer Name: Texas Instruments - Part Type: ADC, Audio - Package or Case Code: 30-TFSOP (0.173", 4.40mm Width) - SNR: 103dB - License: https://creativecommons.org/licenses/by/4.0/ - Number of Channels: 4 - Operating Temperature: -40°C ~ 125°C - Data Interface: I2C, SPI - Symbol Style: Parametric - Voltage supply: 3V ~ 3.6V - Sampling rate (per second): 192k - Datasheet URL: https://www.ti.com/lit/ds/symlink/pcm1864.pdf - ESD Rating (HBM per ANSI,ESDA,JEDEC): ±2000V - Resolutions: 24bBits - Part Type: Integrated Circuit - Manufacturer Part Number: PCM1864DBTR - Power Dissipation @ 3.3V: <145mW **Pins:** - AGND [pin 7] - AVDD [pin 8] - BCK [pin 17] - DGND [pin 12] - DOUT [pin 18] - DVDD [pin 13] - GPIO1/INTA/DMIN [pin 21] - GPIO2/INTB/DMCLK [pin 20] - GPIO3/INTC [pin 19] - IOVDD [pin 14] - LDO [pin 11] - LRCK [pin 16] - MC/SCL [pin 24] - MD0 [pin 26] - MIC_BIAS [pin 5] - MISO/GPIO0/DMIN2 [pin 22] - MOSI/SDA [pin 23] - MS/AD [pin 25] - SCKI [pin 15] - VINL1/VIN1P [pin 3] - VINL2/VIN1M [pin 1] - VINL3/VIN4P [pin 29] - VINL4/VIN4M [pin 27] - VINR1/VIN2P [pin 4] - VINR2/VIN2M [pin 2] - VINR3/VIN3P [pin 30] - VINR4/VIN3M [pin 28] - VREF [pin 6] - XI [pin 10] - XO [pin 9] ### U2 — [SY6280](https://www.flux.ai/collinsemasi/sy6280~70.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1808010233_Silergy-Corp-SY6280AAAC_C207620.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Silergy Corp - Package or Case Code: SOT-23-5 - Manufacturer Part Number: SY6280A AC - Part Type: Integrated Circuit **Pins:** - EN [pin 4] - GND [pin 2] - ISET [pin 3] - VIN [pin 5] - VOUT [pin 1] ### U3 — [RT8059GJ5](https://www.flux.ai/collinsemasi/rt8059gj5~n5.md) - Part Type: Integrated Circuit - Package or Case Code: SOT-23-5 - Manufacturer Part Number: RT8059GJ5 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811100910_Richtek-Tech-RT8059GJ5_C20542.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - EN [pin 1] - FB [pin 5] - GND [pin 2] - LX [pin 3] - VIN [pin 4] ### U4 — [CN3063 Test](https://www.flux.ai/collinsemasi/cn3063-test~g2.md) - Manufacturer Part Number: CN3063 - Part Type: Complete constant-current/constant voltage linear charger - Additional Features: - Undervoltage lockout - Automatic recharge - Battery temperature sensing - Charging/termination indicator - Low power mode: Automatically enters low power sleep mode (< 3uA battery drain) when input supply is removed - Manufacturer Name: Shanghai Consonance Elec - Package or Case Code: SOP-8-EP - On-chip components: - Power MOSFET - 8-bit ADC - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Programmable charge current: Yes, programmable externally with a single resistor - Compliance: REACH - Regulation voltage: Internally fixed at 4.2V with 1% accuracy, adjustable with external resistor - Battery compatibility: Single cell Li-ion and Li Polymer rechargeable batteries - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811051510_ShangHai-Consonance-Elec-CN3063_C28078.pdf **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] ### U5 — [USBLC6-2SC6](https://www.flux.ai/collinsemasi/usblc6-2sc6~jt.md) - Operating Temperature: -40°C ~ 150°C (TJ) - Voltage - Reverse Standoff: 5.25V - Voltage - Breakdown: 6V - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/06/1d/48/9c/6c/20/4a/b2/CD00050750.pdf/files/CD00050750.pdf/jcr:content/translations/en.CD00050750.pdf - Manufacturer Name: STMicroelectronics - Part Type: ESD PROTECTION - Unidirectional Channels: 2 - Manufacturer Part Number: USBLC6-2SC6 **Pins:** - 1 [pin 1] - 3 [pin 3] - 4 [pin 4] - 6 [pin 6] - GND [pin 2] - VBUS [pin 5] ### U6 — [RP2040](https://www.flux.ai/vasy_skral/rp2040~kqt.md) - Peripherals: Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT - Connectivity: I2C, IrDA, QSPI, SPI, UART/USART, USB - Program memory type: External Program Memory - Data Converters: A/D 4x12b SAR - License: https://creativecommons.org/licenses/by/4.0/ - Voltage Supply (Vcc/Vdd): 1.8V ~ 3.3V - Operating Temperature: -40°C ~ 85°C (TC) - Number of I/O: 30 - Compliance: RoHS - Hardware reference design URL: https://datasheets.raspberrypi.com/rp2040/hardware-design-with-rp2040.pdf - Manufacturer Name: Raspberry Pi - Speed: 133M - Manufacturer Part Number: RP2040 - Core Processor: ARM® Cortex®-M0+ - Datasheet URL: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf - Part Type: Microcontroller **Pins:** - ADC_AVDD [pin 43] - DVDD [pin 23] - DVDD [pin 50] - GND [pin 57] - GPIO0 [pin 2] - GPIO1 [pin 3] - GPIO10 [pin 13] - GPIO11 [pin 14] - GPIO12 [pin 15] - GPIO13 [pin 16] - GPIO14 [pin 17] - GPIO15 [pin 18] - GPIO16 [pin 27] - GPIO17 [pin 28] - GPIO18 [pin 29] - GPIO19 [pin 30] - GPIO2 [pin 4] - GPIO20 [pin 31] - GPIO21 [pin 32] - GPIO22 [pin 34] - GPIO23 [pin 35] - GPIO24 [pin 36] - GPIO25 [pin 37] - GPIO26/ADC0 [pin 38] - GPIO27/ADC1 [pin 39] - GPIO28/ADC2 [pin 40] - GPIO29/ADC3 [pin 41] - GPIO3 [pin 5] - GPIO4 [pin 6] - GPIO5 [pin 7] - GPIO6 [pin 8] - GPIO7 [pin 9] - GPIO8 [pin 11] - GPIO9 [pin 12] - IOVDD [pin 33] - IOVDD [pin 22] - IOVDD [pin 10] - IOVDD [pin 49] - IOVDD [pin 1] - IOVDD [pin 42] - QSPI_CSN [pin 56] - QSPI_SCLK [pin 52] - QSPI_SD0 [pin 53] - QSPI_SD1 [pin 55] - QSPI_SD2 [pin 54] - QSPI_SD3 [pin 51] - RUN [pin 26] - SWCLK [pin 24] - SWD [pin 25] - TESTEN [pin 19] - USB_DM [pin 46] - USB_DP [pin 47] - USB_VDD [pin 48] - VREG_VIN [pin 44] - VREG_VOUT [pin 45] - XIN [pin 20] - XOUT [pin 21] ### U7 — [W25Q128JVSIQ](https://www.flux.ai/jecstronic/w25q128jvsiq~tqj.md) - Part Type: Integrated Circuit - Manufacturer Part Number: W25Q128JVSIQ - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811142111_Winbond-Elec-W25Q128JVSIQ_C97521.pdf - Manufacturer Name: Winbond Electronics - Compliance: REACH - Technology: FLASH - NOR - Operating Temperature: -40°C ~ 85°C (TA)°C - Memory Size: 128Mbit - Memory Format: FLASH - Memory organization: 16M x 8 - Memory Type: Non-Volatile - Operating Voltage: 2.7V ~ 3.6V - Write Cycle Time - Word, page: 3ms - Memory Interface: SPI - Quad I/O, QPI, DTR - 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] ### Y1 — [CRYSTAL 12MHZ 18PF SMD FL1200112](https://www.flux.ai/collinsemasi/crystal-12mhz-18pf-smd-fl1200112~ce.md) - Manufacturer Part Number: FL1200112 - ESR (Equivalent Series Resistance): 80Ohms - Load capacitance: 18pF - Operating mode: Fundamental - Operating Temperature: -40 ~ 85°C - Datasheet URL: https://www.diodes.com/assets/Datasheets/FL.pdf - Frequency: 12MHz - Frequency Stability: ±30ppm - Manufacturer Name: Diodes Incorporated - 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/collinsemasi/punditpai~9e](https://www.flux.ai/collinsemasi/punditpai~9e).* --- *Generated from [https://www.flux.ai/collinsemasi/punditpai~9e](https://www.flux.ai/collinsemasi/punditpai~9e)*