# IoT Devices and Wearables (no components) ## Description Small, inexpensive AI pendant. Records sound after user presses a button. Indicate behavior with RGB LED. Onboard processing and cloud connectivity through mobile phone tethering. ## Project Details - **Owner:** dirk-builds - **Created:** 7/17/2024 - **Last Updated:** 7/17/2024 - **Visibility:** Public - **Form Factor:** Wearables - **Operating Humidity:** 10 to 90% - **Antenna:** PCB Trace - **Operating Temperature Range:** -10°C to 70°C - **Wireless Protocol:** Wi-Fi, Bluetooth - **Life Cycle Expectancy:** 10 years - **Compliance:** RoHS, FCC, CE - **Operating Voltage:** 1.8V to 5V - **Connectivity:** USB, WiFi, Bluetooth - **Reliability:** 20,000 hrs - **Domain Application:** Consumer Electronics - **Human Interface:** RGB Led, microphone, push button - **Copies:** 1 ## Key Components ### J1 — [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 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### LED1 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Name: Worldsemi - Manufacturer Part Number: WS2812B-B - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### MK1 — [SPH0645LM4H-B](https://www.flux.ai/vasy_skral/sph0645lm4h-b~ymg.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Knowles%20Acoustics%20PDFs/SPH0645LM4H-B.pdf - Part Type: Sensor - Manufacturer Part Number: SPH0645LM4H-B - Manufacturer Name: Knowles **Pins:** - BCLK [pin 4] - DATA_OUT [pin 6] - GND [pin 3] - SELECT [pin 2] - VDD [pin 5] - WS [pin 1] ### MK2 — [SPH0645LM4H-B](https://www.flux.ai/vasy_skral/sph0645lm4h-b~ymg.md) - Manufacturer Part Number: SPH0645LM4H-B - Manufacturer Name: Knowles - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Knowles%20Acoustics%20PDFs/SPH0645LM4H-B.pdf - Part Type: Sensor **Pins:** - BCLK [pin 4] - DATA_OUT [pin 6] - GND [pin 3] - SELECT [pin 2] - VDD [pin 5] - WS [pin 1] ### PS1 — [BQ24195](https://www.flux.ai/jecstronic/bq24195~3wl.md) - Part Type: Power Management - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: BQ24195 - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq24195.pdf - Manufacturer Name: Texas Instruments Inc. **Pins:** - ~CE [pin 9] - BAT_1 [pin 13] - BAT_2 [pin 14] - BTST [pin 21] - D- [pin 3] - D+ [pin 2] - EP [pin 25] - ILIM [pin 10] - INT [pin 7] - OTG [pin 8] - PGND_1 [pin 17] - PGND_2 [pin 18] - PMID [pin 23] - REGN [pin 22] - SCL [pin 5] - SDA [pin 6] - STAT [pin 4] - SW_1 [pin 19] - SW_2 [pin 20] - SYS_1 [pin 15] - SYS_2 [pin 16] - TS1 [pin 11] - TS2 [pin 12] - VBUS_1 [pin 1] - VBUS_2 [pin 24] ### SW1 — [TL1105F250Q](https://www.flux.ai/jecstronic/tl1105f250q~qgq.md) - Part Type: Switch - Manufacturer Name: E-Switch - Datasheet URL: https://spec_sheets.e-switch.com/specs/P010011.pdf - Manufacturer Part Number: TL1105F250Q - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U1 — [Seeed Studio XIAO ESP32S3](https://www.flux.ai/seeedstudio/seeed-studio-xiao-esp32s3~jt.md) - Datasheet URL: https://files.seeedstudio.com/wiki/SeeedStudio-XIAO-ESP32S3/res/esp32-s3_datasheet.pdf - Manufacturer Part Number: 113991114 - Purchase Url: https://www.seeedstudio.com/XIAO-ESP32S3-p-5627.html - Manufacturer Name: Seeed Studio - Product Info Url: https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/ - Part Type: Microcontroller **Pins:** - 3V3 [pin 12] - 5V [pin 14] - D10_A10_MOSI_GPIO9_TOUCH9 [pin 11] - D7_RX_GPIO44 [pin 8] - D8_A8_SCK_GPIO7_TOUCH7 [pin 9] - D9_A9_MISO_GPIO8_TOUCH8 [pin 10] - GND [pin 13] - GPIO43_TX_D6 [pin 7] - TOUCH1_GPIO1_A0_D0 [pin 1] - TOUCH2_GPIO2_A1_D1 [pin 2] - TOUCH3_GPIO3_A2_D2 [pin 3] - TOUCH4_GPIO4_A3_D3 [pin 4] - TOUCH5_GPIO5_SDA_A4_D4 [pin 5] - TOUCH6_GPIO6_SCL_A5_D5 [pin 6] ### U2 — [BNO055](https://www.flux.ai/vasyl/bno055~40q.md) - Datasheet URL: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bno055-ds000.pdf - Manufacturer Part Number: BNO055 - Part Type: IMU - Manufacturer Name: Bosch Sensortec - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CAP [pin 9] - COM0 [pin 20] - COM1 [pin 19] - COM2 [pin 18] - COM3 [pin 17] - GND [pin 2] - GNDIO [pin 25] - INT [pin 14] - NBOOT_LOAD_PIN [pin 4] - NRESET [pin 11] - PIN10 [pin 10] - PIN15 [pin 15] - PIN16 [pin 16] - PS0 [pin 6] - PS1 [pin 5] - VDD [pin 3] - VDDIO [pin 28] - XIN32 [pin 27] - XOUT32 [pin 26] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dirk-builds/iot-devices-and-wearables-no-components~yd](https://www.flux.ai/dirk-builds/iot-devices-and-wearables-no-components~yd).* --- *Generated from [https://www.flux.ai/dirk-builds/iot-devices-and-wearables-no-components~yd](https://www.flux.ai/dirk-builds/iot-devices-and-wearables-no-components~yd)*