# Mass Indigo Antigravity Battle Room ## Description ESP32-Based Compact Vehicle Sensing Board with Ultrasonic, IMU, Wheel Encoder, and LED Indicators (2-Layer PCB) ## Project Details - **Owner:** pratham9909 - **Created:** 1/29/2026 - **Last Updated:** 1/29/2026 - **Visibility:** Public - **System Architecture:** ```mermaid flowchart TD PowerSupply[Power Supply] ESP32[ESP32 Module] Sensors[Sensors] LEDs[LED Indicators] Connectors[Connectors] PowerSupply -->|Provides 5V| Buck[Buck Converter] Buck -->|Outputs 3.3V| ESP32 ESP32 -->|I2C (SDA/SCL)| Sensors ESP32 -->|GPIO14 TRIG| Sensors ESP32 -->|GPIO12 ECHO| Sensors ESP32 -->|GPIO26, GPIO27| Sensors ESP32 -->|GPIO32, GPIO33| LEDs ESP32 -->|UART/Programming| Connectors PowerSupply -->|5V Input| Connectors Sensors -->|Signal Lines| Connectors LEDs -->|Indicator Outputs| Connectors ``` ## Key Components ### J1 — [0901301106](https://www.flux.ai/adrian95/0901301106.md) - Part Type: Connector - Manufacturer Name: Molex - Availability: In Stock (Digi-Key, Mouser, LCSC) - Datasheet URL: https://tools.molex.com/pdm_docs/sd/901301106_sd.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Sensor interface header, 6-pin through-hole, 2.54 mm pitch - Role: Connector - Manufacturer Part Number: 0901301106 - Lifecycle Status: Active **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J2 — [Type-C-2.0-6Pin](https://www.flux.ai/jharwinbarrozo/type-c-20-6pin.md) - Part Type: Connector - Lifecycle Status: Active - Role Details: USB Type-C Power Input, 5V 3A power-only - Role: Connector - Manufacturer Name: CIKI - Datasheet URL: https://datasheet.lcsc.com/lcsc/2204071830_CIKI-Type-C-2-0-6Pin_C2987385.pdf - Manufacturer Part Number: Type-C-2.0-6Pin - Availability: In Stock (Digi-Key, Mouser, LCSC) **Pins:** - CC1 - CC2 - GND - GND__1 - SHIELD - SHIELD__1 - SHIELD__2 - SHIELD__3 - V-BUS - V-BUS__1 ### J3 — [2-644861-2](https://www.flux.ai/adrian95/2-644861-2.md) - Manufacturer Part Number: 2-644861-2 - Manufacturer Name: TE Connectivity AMP Connectors - Lifecycle Status: Active - Part Type: Connector - Availability: In Stock (Digi-Key, Mouser, LCSC) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=644861&DocType=Customer+Drawing&DocLang=English&PartCntxt=2-644861-2&DocFormat=pdf - Role Details: Power input header for 5V rail **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### TP1 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Availability: In Stock (Digi-Key, Mouser, LCSC) - Lifecycle Status: Active - Role Details: Testpoint for EN **Pins:** - P1 ### TP2 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Lifecycle Status: Active - Role Details: Testpoint for IO0 - Availability: In Stock (Digi-Key, Mouser, LCSC) **Pins:** - P1 ### TP3 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Availability: In Stock (Digi-Key, Mouser, LCSC) - Lifecycle Status: Active - Role Details: Testpoint for RX0 **Pins:** - P1 ### TP4 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: Testpoint for TX0 - Availability: In Stock (Digi-Key, Mouser, LCSC) - Lifecycle Status: Active **Pins:** - P1 ### TP5 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: Testpoint for 3V3 rail - Lifecycle Status: Active - Availability: In Stock (Digi-Key, Mouser, LCSC) **Pins:** - P1 ### TP6 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Availability: In Stock (Digi-Key, Mouser, LCSC) - Lifecycle Status: Active - Role Details: Testpoint for GND **Pins:** - P1 ### U1 — [ESP32-WROOM-32](https://www.flux.ai/vasy_skral/esp32-wroom-32.md) - Manufacturer Part Number: ESP32-WROOM-32 - Role: Main MCU - Package or Case Code: ESP32-WROOM-32-Footprint_V5 - Manufacturer Name: Espressif Systems - Availability: In Stock (Digi-Key, Mouser, LCSC) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf - Part Type: Integrated Circuit - Lifecycle Status: Active **Pins:** - EN [pin 3] - GND [pin 15] - GND [pin 39] - GND [pin 38] - GND [pin 1] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0/IO3 [pin 34] - SCK/CLK [pin 20] - SCS/CMD [pin 19] - SDI/SD1 [pin 22] - SDO/SD0 [pin 21] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - SHD/SD2 [pin 17] - SWP/SD3 [pin 18] - TXD0/IO1 [pin 35] - VDD [pin 2] ### U2 — [MP2307DN-LF-Z](https://www.flux.ai/adrian95/mp2307dn-lf-z.md) - Lifecycle Status: Active - Part Type: Integrated Circuit - Manufacturer Name: Monolithic Power Systems Inc. - Availability: In Stock (Digi-Key, Mouser, LCSC) - Role Details: Buck converter for 5V to 3.3V - Datasheet URL: https://www.monolithicpower.com/en/documentview/productdocument/index/version/2/document_type/Datasheet/lang/en/sku/MP2307/document_id/503 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MP2307DN-LF-Z - Role: Power Management **Pins:** - BS [pin 1] - COMP [pin 6] - EN [pin 7] - EP [pin 9] - FB [pin 5] - GND [pin 4] - IN [pin 2] - SS [pin 8] - SW [pin 3] ### U3 — [ESP32-DEVKITC-VE](https://www.flux.ai/adrian95/esp32-devkitc-ve.md) - Part Type: Development Boards - Manufacturer Part Number: ESP32-DEVKITC-VE - Availability: In Stock (Digi-Key, Mouser, LCSC) - Lifecycle Status: Active - Manufacturer Name: Espressif Systems - Datasheet URL: https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/esp32/get-started-devkitc.html - License: https://creativecommons.org/licenses/by/4.0/ - Digi-Key Part Number: 1965-ESP32-DEVKITC-VE-ND - Package or Case Code: ESP32DEVKITCVE **Pins:** - 3V3 [pin 1] - 5V [pin 19] - CLK [pin 20] - CMD [pin 18] - D0 [pin 21] - D1 [pin 22] - D2 [pin 16] - D3 [pin 17] - EN [pin 2] - GND_1 [pin 14] - GND_2 [pin 32] - GND_3 [pin 38] - IO0 [pin 25] - IO12 [pin 13] - IO13 [pin 15] - IO14 [pin 12] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 9] - IO26 [pin 10] - IO27 [pin 11] - IO32 [pin 7] - IO33 [pin 8] - IO34 [pin 5] - IO35 [pin 6] - IO4 [pin 26] - IO5 [pin 29] - RX [pin 34] - TX [pin 35] - VN [pin 4] - VP [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/pratham9909/mass-indigo-antigravity-battle-room](https://www.flux.ai/pratham9909/mass-indigo-antigravity-battle-room).* --- *Generated from [https://www.flux.ai/pratham9909/mass-indigo-antigravity-battle-room](https://www.flux.ai/pratham9909/mass-indigo-antigravity-battle-room)*