# Loose Cyan KITT ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** ibrahimayoub05 - **Created:** 2/13/2026 - **Last Updated:** 2/13/2026 - **Visibility:** Public - **System Architecture:** ```mermaid flowchart TD USB5V["USB 5V input"] LDO33["3.3V LDO regulator"] V33["3.3V rail"] ESP["ESP32-C6-MINI-1"] MIC["INMP441 I2S mic"] AMP["MAX98357A I2S amp"] SPK["Speaker"] UART["USB-UART / Prog header"] USB5V --> LDO33 LDO33 --> V33 V33 --> ESP V33 --> MIC V33 --> AMP ESP -->|I2S BCLK/LRCLK| MIC MIC -->|I2S SD| ESP ESP -->|I2S BCLK/LRCLK/DIN| AMP AMP --> SPK UART --> ESP ``` ## Key Components ### J1 — [632723300011](https://www.flux.ai/adrian95/632723300011.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://www.we-online.com/catalog/datasheet/632723300011.pdf - Manufacturer Name: Würth Elektronik - Role Details: USB-C receptacle for 5V power and USB-UART data - Manufacturer Part Number: 632723300011 - Role: Connector **Pins:** - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND_1 [pin 1] - GND_2 [pin 2] - GND_3 [pin A1] - GND_4 [pin A12] - GND_5 [pin B1] - GND_6 [pin B12] - SBU1 [pin A8] - SBU2 [pin B8] - SSRXN1 [pin B10] - SSRXN2 [pin A10] - SSRXP1 [pin B11] - SSRXP2 [pin A11] - SSTXN1 [pin A3] - SSTXN2 [pin B3] - SSTXP1 [pin A2] - SSTXP2 [pin B2] - VBUS_1 [pin A4] - VBUS_2 [pin A9] - VBUS_3 [pin B4] - VBUS_4 [pin B9] ### J3 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Role Details: 2-pin speaker connector for MAX98357A outputs - Manufacturer Name: JST Sales America Inc. - Role: Connector - Part Type: Connector - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - Package: SMD **Pins:** - P1 [pin 1] - P2 [pin 2] ### M1 — [INMP441](https://www.flux.ai/vasyl/inmp441.md) - Manufacturer Name: TDK InvenSense - Manufacturer Part Number: INMP441 - Role Details: I2S microphone input to ESP32 - Part Type: Microphone - Datasheet URL: https://invensense.tdk.com/wp-content/uploads/2015/02/INMP441.pdf?ref_disty=digikey - License: https://creativecommons.org/licenses/by/4.0/ - Role: Sensor **Pins:** - GND [pin 1] - L/R [pin 4] - SCK [pin 6] - SD [pin 3] - VDD [pin 2] - WS [pin 5] ### S1 — [B3FS-1002](https://www.flux.ai/adrian95/b3fs-1002.md) - Role Details: Momentary pushbutton for reset/boot control - Manufacturer Name: Omron Electronics Inc-EMC Div - Role: Switch - Manufacturer Part Number: B3FS-1002 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Part Type: Switch **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - NO_1 [pin 3] - NO_2 [pin 4] ### S2 — [B3FS-1002](https://www.flux.ai/adrian95/b3fs-1002.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Part Type: Switch - Role: Switch - Manufacturer Name: Omron Electronics Inc-EMC Div - Role Details: Momentary pushbutton for reset/boot control - Manufacturer Part Number: B3FS-1002 **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - NO_1 [pin 3] - NO_2 [pin 4] ### S3 — [B3FS-1002](https://www.flux.ai/adrian95/b3fs-1002.md) - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Part Type: Switch - Role Details: Momentary pushbutton for PTT on ESP32 GPIO23 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: B3FS-1002 - Role: Switch - Manufacturer Name: Omron Electronics Inc-EMC Div - Package: THT **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - NO_1 [pin 3] - NO_2 [pin 4] ### U1 — [ESP32-C6-MINI-1-N4](https://www.flux.ai/vasyl/esp32-c6-mini-1-n4.md) - Manufacturer Name: Espressif Systems - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Main controller; provides I2S for mic + amp and programming interface - Part Type: RF module - Manufacturer Part Number: ESP32-C6-MINI-1-N4 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c6-mini-1_mini-1u_datasheet_en.pdf - Role: MCU/Radio Module **Pins:** - 3V3 [pin 3] - EN [pin 8] - GND_1 [pin 1] - GND_1__1 [pin 2] - GND_1__10 [pin 42] - GND_1__11 [pin 43] - GND_1__12 [pin 44] - GND_1__13 [pin 45] - GND_1__14 [pin 46] - GND_1__2 [pin 11] - GND_1__3 [pin 14] - GND_1__4 [pin 36] - GND_1__5 [pin 37] - GND_1__6 [pin 38] - GND_1__7 [pin 39] - GND_1__8 [pin 40] - GND_1__9 [pin 41] - GND_2 [pin 47] - GND_2__1 [pin 48] - GND_2__10 [pin 49_9] - GND_2__11 [pin 50] - GND_2__12 [pin 51] - GND_2__13 [pin 52] - GND_2__14 [pin 53] - GND_2__2 [pin 49_1] - GND_2__3 [pin 49_2] - GND_2__4 [pin 49_3] - GND_2__5 [pin 49_4] - GND_2__6 [pin 49_5] - GND_2__7 [pin 49_6] - GND_2__8 [pin 49_7] - GND_2__9 [pin 49_8] - IO0 [pin 12] - IO1 [pin 13] - IO12 [pin 17] - IO13 [pin 18] - IO14 [pin 19] - IO15 [pin 20] - IO18 [pin 24] - IO19 [pin 25] - IO2 [pin 5] - IO20 [pin 26] - IO21 [pin 27] - IO22 [pin 28] - IO23 [pin 29] - IO3 [pin 6] - IO4 [pin 9] - IO5 [pin 10] - IO6 [pin 15] - IO7 [pin 16] - IO8 [pin 22] - IO9 [pin 23] - NC [pin 21] - NC [pin 4] - NC__1 [pin 7] - NC__5 [pin 32] - NC__6 [pin 33] - NC__7 [pin 34] - NC__8 [pin 35] - RXD0 [pin 30] - TXD0 [pin 31] ### U2 — [MAX98357AETE+T](https://www.flux.ai/adrian95/max98357aeteplust.md) - Manufacturer Name: Analog Devices Inc./Maxim Integrated - Manufacturer Part Number: MAX98357AETE+T - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Role: Amplifier - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/max98357a-max98357b.pdf - Role Details: I2S DAC + class-D amp to drive speaker **Pins:** - ~SD_MODE [pin 4] - BCLK [pin 16] - DIN [pin 1] - GAIN_SLOT [pin 2] - GND_1 [pin 3] - GND_2 [pin 11] - GND_3 [pin 15] - LRCLK [pin 14] - N.C._1 [pin 5] - N.C._2 [pin 6] - N.C._3 [pin 12] - N.C._4 [pin 13] - OUTN [pin 10] - OUTP [pin 9] - THERMAL_PAD [pin 17] - VDD_1 [pin 7] - VDD_2 [pin 8] ### U3 — [CP2102N-A02-GQFN20](https://www.flux.ai/vasyl/cp2102n-a02-gqfn20.md) - Manufacturer Name: SILICON LABS - Manufacturer Part Number: CP2102N-A02-GQFN20 - Role Details: USB-to-UART for ESP32 programming and debug serial - Part Type: Microcontroller - Role: USB-UART Bridge - Datasheet URL: https://www.silabs.com/documents/public/data-sheets/cp2102n-datasheet.pdf **Pins:** - ~CTS [pin 15] - ~RTS [pin 16] - ~RXT~/GPIO.3 [pin 19] - ~SUSPEND [pin 11] - ~TXT~/GPIO.2 [pin 20] - ~WAKEUP [pin 13] - CLK/GPIO.0 [pin 2] - D- [pin 5] - D+ [pin 4] - GND [pin 21] - GND [pin 12] - GND [pin 3] - NC [pin 10] - RS485/GPIO.1 [pin 1] - RXD [pin 9] - RXD [pin 17] - SUSPEND [pin 14] - TXD [pin 18] - USB [pin 8] - VDD [pin 6] - VREGIN [pin 7] ### U4 — [TLV75733PDBVR](https://www.flux.ai/lcsc/tlv75733pdbvr.md) - JLCPCB Part Class: Extended Part - Output Current: 1A - Package: SOT-23-5 - Manufacturer Part Number: TLV75733PDBVR - Dropout Voltage: 475mV@(1A) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Texas-Instruments-TLV75733PDBVR_C485517.pdf - Package or Case Code: SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BL - Max Output Voltage: 3.3V - Product Info Url: https://lcsc.com/product-detail/New-Arrivals_Texas-Instruments-Texas-Instruments-TLV75733PDBVR_C485517.html - Role Details: Main 3.3V LDO from USB VBUS - Part Type: Linear Voltage Regulators (LDO) - Role: Regulator - Manufacturer Name: TI(德州仪器) - Operating Temperature: -40℃~+125℃@(Tj) - Max Input Voltage: 5.5V - LCSC Part Number: C485517 **Pins:** - EN [pin 3] - GND [pin 2] - IN [pin 1] - NC [pin 4] - OUT [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ibrahimayoub05/loose-cyan-kitt](https://www.flux.ai/ibrahimayoub05/loose-cyan-kitt).* --- *Generated from [https://www.flux.ai/ibrahimayoub05/loose-cyan-kitt](https://www.flux.ai/ibrahimayoub05/loose-cyan-kitt)*