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MK2
End of Life
MK1
End of Life
U1
explain this project.

@copilot explain this project.
1y
Sure! Here's an overview of the AI Pendant project based on the provided description and component details:
Project Overview
The AI Pendant is a wearable device designed to record audio, convert it to text, perform sentiment analysis, and manage information based on the recordings. It connects to a phone via Bluetooth and provides user interaction through an RGB LED ring and a button.
Key Features
  • Audio Recording: Activated by a button press
  • Transcription: Converts audio to text
  • Sentiment Analysis: Evaluates the sentiment of the transcribed text
  • Information Management: Filters important information and action items
Form Factor
  • Wearable Pendant: Compact design fitting the dimensions and requirements to be worn as a pendant
Interaction
  • Input: Single activation button (SW1)
  • Output: RGB LED ring (LED1), Bluetooth link to phone
Sensors
  • Two Microphones: MK1 and MK2, required to capture audio for processing.
Connectivity
  • Bluetooth and Wi-Fi: For communication with a phone or other devices
  • USB-C: For charging
Battery and Power
  • Battery Type: 2000mAh LiPo
  • Battery Life: 6 hours of continuous use
  • Operating Voltage: 3.3V
  • Charging Method: USB-C
Electronics Components Power Management Connections Key Nets and Connections
  • Ground Net (GND): Connects all ground pins to each other and to the common ground.
  • 3.3V Net (PP3V3): Supplies 3.3V to the microcontroller and other 3.3V devices.
    • Connect C2:P2 (capacitor) to PP3V3.
    • The U1:3V3:3.3V supply connects to this net.
Compliance and Reliability
  • Environmental Conditions: Operates from -10°C to 70°C with 10% to 90% humidity.
  • Regulatory Compliance: Meets RoHS, FCC, and CE standards.
  • Reliability: Designed for a lifetime of 20,000 hours and a life expectancy of 10 years.
Summary
The AI Pendant combines several features in a portable and wearable form factor. It captures audio, processes it with AI to perform sentiment analysis, and integrates seamlessly with mobile devices via Bluetooth. Power is efficiently managed with a 2000mAh LiPo battery, supported by a USB-C charging mechanism. The use of ESP32-S3 ensures robust performance with efficient power consumption for prolonged battery life.
1y
1
PP5V0
C7
Capacitance
10uF
C13
Capacitance
22uF
SDIO_DAT0
PP3V3
INDICATOR_LED
I2S0_WS
PP3V3_FREQ
I2S1_WS
PP3V3
SDIO_DAT3
SDIO_CMD
I2S0_BCK
C14
Capacitance
22uF
PP3V3_FREQ
PP3V3
PP3V3
SDIO_DAT2
PP3V3_SW
USBC2.0_D_N
I2S1_BCK
SDIO_DAT0
I2S1_SDI
SDIO_DAT2
I2S0_BCK
PP3V3_SW
C10
Capacitance
22uF
PP3V3
SDIO_DAT3
VBAT_OUT
C8
Capacitance
10uF
C9
Capacitance
10uF
I2S0_SDI
USBC2.0_D_P
SDIO_DAT1
VBAT_OUT
I2S1_SDI
PP3V3
I2S0_WS
SDIO_DAT1
C12
Capacitance
22uF
SDIO_CLK
C15
Capacitance
10uF
PP3V3
C5
Capacitance
10uF
SDIO_CLK
INDICATOR_LED
I2S1_BCK
I2S1_WS
PP3V3
SDIO_CMD
I2S0_SDI
U2
Manufacturer Part Number
LM2623AMM/NOPB
D1
R8
Resistance
1kΩ
SW1
R11
Resistance
10kΩ
LED1
R6
Resistance
100kΩ
L1
Inductance
4.7uH
U4
R5
Resistance
150kΩ
U3
C16
Capacitance
0.1uF
C6
Capacitance
0.1uF
C11
Capacitance
4.7pF
R10
Resistance
1kΩ
R1
Resistance
10kΩ
R7
Resistance
165kΩ


  • Ground
    A common return path for electric current. Commonly known as ground.
  • 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
  • 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
  • Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
  • 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, 10000uF 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, 220pF, 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
  • Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
  • RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
  • 875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
  • CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink

AI Pendent (Pt2)

AI Pendent (Pt2) thumbnail
Product Type: Wearable AI pendant
Primary Function: Records audio, generates transcripts, and organizes information about daily interactions
User Interaction: Input: Activation button
Output: RGB LED ring, Bluetooth link to phone
Key Features: Audio Recording: Activated by button press
Transcription: Converts audio to text
Sentiment Analysis: Embedded AI evaluates sentiment
Information Management: Filters essential information and action items
Technical Specifications Form Factor: Wearable pendant
Display: RGB LED ring around the edge
Sensors: 2 Microphones
1 Button
Connectivity: Bluetooth for phone linkage
Wi-Fi
USB-C for charging
Wireless Protocol: Wi-Fi, Bluetooth
Battery Type: LiPo 2000 mAh
Battery Life: 6 hours of continuous use
Charging Method: USB-C
Operating Voltage: 3.3V
Operating Conditions: Temperature Range: -10°C to 70°C
Humidity: 10 to 90%
Software: Python for AI and processing
Compliance: RoHS, FCC, CE
Reliability: 20,000 hrs
Life Cycle Expectancy: 10 years
AI Capabilities Speech to Text Recognition: Converts audio input to written text
Embedded AI Sentiment Analysis: Evaluates the mood or sentiment expressed in the text
Essential Information Filtering: Identifies and segregates crucial data and actionable items
Power Consumption and Efficiency Power consumption must align with battery capacity to ensure 6 hours of continuous operational use.

Properties

Python

USB, WiFi, Bluetooth

Wi-Fi, Bluetooth

3.3V

10 to 90%

RoHS, FCC, CE

-10°C to 70°C

PCB Trace

RGB LED ring and 1 Button

20,000 hrs

10 years

Wearables

3

2 Microphones and 1 Button

Consumer Electronics

LiPo 2000 mAh

Pricing & Availability

Distributor

Qty 1

Arrow

$16.44–$18.40

Digi-Key

$17.26–$33.27

LCSC

$76.86

Mouser

$29.69

Verical

$4.72–$7.72

Controls