# PCBWay 4 Layer Stackup (Component) ## Description Compact 2-Layer ESP32-WROOM-32E Ultrasonic Emitter Board with USB-C Auto-Programming, On-Board 12 V→3.3 V Buck (3V3 trunk at 24 mil, capacitors clustered at distribution node, COUT placed adjacent to U3), 3× Low-Side MOSFET Drivers, Optional U.FL Antenna, ESD/TVS Protection, RF/Power Partitioning, and Named Nets (PWR_12V_IN, 3V3, GND, DRV_CH1/2/3, LED_PWR/LED_NET/LED_EMIT) #ultrasonic #ESP32 #RFDesign #PowerDesign #PCBDesign ## Component Details - **Owner:** diegopoke - **Created:** 12/9/2025 - **Last Updated:** 12/9/2025 - **Visibility:** Public - **Stars:** 1 - **Forks:** 1 --- *Generated from [https://www.flux.ai/diegopoke/pcbway-4-layer-stackup](https://www.flux.ai/diegopoke/pcbway-4-layer-stackup)*