# [2-layer] JLCPCB Constraints ## Description Use this template if you're planning to get your 1 to 2-layer board manufactured in JLCPCB. It has the via min/max and trace width constraints already baked as global rules. #project-template #template #manufacturer-design-rules ## Project Details - **Owner:** gokulshiva77 - **Created:** 2/14/2025 - **Last Updated:** 2/14/2025 - **Visibility:** Public ## Key Components ### U1 — [STM32 Black Pill Breakout](https://www.flux.ai/vasyl/stm32-black-pill-breakout~g72.md) - Manufacturer Part Number: STM32 Black Pill - Manufacturer Name: ST-Microelectronics - Datasheet URL: https://www.st.com/en/microcontrollers-microprocessors/stm32f411ce.html - Part Type: Breakout board **Pins:** - 3V3 - 3V3 - 5V - 5V - GND - GND - NRST - P37 - PA0 - PA1 - PA10 - PA11 - PA12 - PA15 - PA3 - PA4 - PA5 - PA6 - PA7 - PA8 - PA9 - PB0 - PB1 - PB10 - PB12 [pin 1] - PB13 - PB14 - PB15 - PB2 - PB3 - PB4 - PB5 - PB6 - PB7 - PB8 - PB9 - PC13 - PC14 - PC15 - VBAT ### US1 — [HC-SR04](https://www.flux.ai/vasy_skral/hc-sr04~afv.md) - Part Type: Sensor - Datasheet URL: https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf - Manufacturer Part Number: HC-SR04 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ECHO [pin 3] - GND [pin 4] - TRIG [pin 2] - VCC [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/gokulshiva77/2-layer-jlcpcb-constraints~8k](https://www.flux.ai/gokulshiva77/2-layer-jlcpcb-constraints~8k).* --- *Generated from [https://www.flux.ai/gokulshiva77/2-layer-jlcpcb-constraints~8k](https://www.flux.ai/gokulshiva77/2-layer-jlcpcb-constraints~8k)*