# AI Pendant ## Description A small, inexpensive but high quality AI Pendant which stores and analyzes sound after the user presses a button. Operates via tether to phone. ## Project Details - **Owner:** kerry - **Created:** 7/10/2024 - **Last Updated:** 7/10/2024 - **Visibility:** Public - **Form Factor:** Wearables - **Operating Humidity:** 10 to 90% - **Operating Temperature Range:** -10°C to 70°C - **Wireless Protocol:** Wi-Fi, Bluetooth - **Life Cycle Expectancy:** 10 years - **Number of microphones:** 1 - **Compliance:** RoHS, FCC - **Operating Voltage:** 1.8V to 5V - **Connectivity:** USB, WiFi, Bluetooth - **Reliability:** 20,000 hrs - **Optional subsystems:** Battery charger, accelerometer - **Domain Application:** Consumer Electronics - **Human Interface:** RGB LED, microphone, push button - **Stars:** 1 ## Key Components ### IC1 — [MPU-6050](https://www.flux.ai/vasyl/mpu-6050~qg.md) - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2015/02/MPU-6000-Datasheet1.pdf - Manufacturer Name: TDK InvenSense - Manufacturer Part Number: MPU-6050 - Part Type: Integrated Circuit **Pins:** - 25 [pin 25] - AD0 [pin 9] - AUX_CL [pin 7] - AUX_DA [pin 6] - CLKIN [pin 1] - CPOUT [pin 20] - FSYNC [pin 11] - GND [pin 18] - INT [pin 12] - NC [pin 2] - NC [pin 15] - NC [pin 17] - NC [pin 5] - NC [pin 3] - NC [pin 4] - NC [pin 16] - NC [pin 14] - REGOUT [pin 10] - RESV [pin 21] - RESV [pin 22] - RESV [pin 19] - SCL [pin 23] - SDA [pin 24] - VDD [pin 13] - VLOGIC [pin 8] ### MK1 — [SPH0645LM4H-B](https://www.flux.ai/vasy_skral/sph0645lm4h-b~ymg.md) - Manufacturer Name: Knowles - Manufacturer Part Number: SPH0645LM4H-B - Part Type: Sensor - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Knowles%20Acoustics%20PDFs/SPH0645LM4H-B.pdf **Pins:** - BCLK [pin 4] - DATA_OUT [pin 6] - GND [pin 3] - SELECT [pin 2] - VDD [pin 5] - WS [pin 1] ### U2 — [Seeed Studio XIAO ESP32C3](https://www.flux.ai/seeedstudio/seeed-studio-xiao-esp32c3~b0.md) - Manufacturer Part Number: 113991054 - Purchase Url: https://www.seeedstudio.com/Seeed-XIAO-ESP32C3-p-5431.html - Part Type: Microcontroller - Manufacturer Name: Seeed Studio - Datasheet URL: https://files.seeedstudio.com/wiki/XIAO_WiFi/Resources/esp32-c3_datasheet.pdf **Pins:** - 3V3 [pin 12] - 5V [pin 14] - D10_MOSI_D10 [pin 11] - D7_RX_GPIO20 [pin 8] - D8_SCK_GPIO8 [pin 9] - D9_MISO_GPIO9 [pin 10] - GND [pin 13] - GPIO2_A0_D0 [pin 1] - GPIO21_TX_D6 [pin 7] - GPIO3_A1_D1 [pin 2] - GPIO4_A2_D2 [pin 3] - GPIO5_A3_D3 [pin 4] - GPIO6_SDA_D4 [pin 5] - GPIO7_SCL_D5 [pin 6] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/kerry/ai-pendant~gg](https://www.flux.ai/kerry/ai-pendant~gg).* --- *Generated from [https://www.flux.ai/kerry/ai-pendant~gg](https://www.flux.ai/kerry/ai-pendant~gg)*