# wled_12v_board ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** noqqu - **Created:** 8/2/2025 - **Last Updated:** 8/2/2025 - **Visibility:** Public ## Key Components ### U2 — [SN74HCT125N](https://www.flux.ai/lcsc/sn74hct125n~zccm.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010132_Texas-Instruments-SN74HCT125N_C154102.pdf - Manufacturer Name: TI(德州仪器) - Part Type: Buffers / Drivers - Package or Case Code: PDIP-14_L19.3-W6.4-P2.54-LS7.6-BL - LCSC Part Number: C154102 - Manufacturer Part Number: SN74HCT125N - Product Info Url: https://lcsc.com/product-detail/74-Series_TI_SN74HCT125N_SN74HCT125N_C154102.html - JLCPCB Part Class: Extended Part **Pins:** - ~{1OE} [pin 1] - ~{2OE} [pin 4] - ~{3OE} [pin 10] - ~{4OE} [pin 13] - 1A [pin 2] - 1Y [pin 3] - 2A [pin 5] - 2Y [pin 6] - 3A [pin 9] - 3Y [pin 8] - 4A [pin 12] - 4Y [pin 11] - GND [pin 7] - VCC [pin 14] ### U3 — [ESP32-DEVKIT-V1](https://www.flux.ai/jharwinbarrozo/esp32-devkit-v1~7xd.md) - Manufacturer Part Number: ESP32-DEVKIT-V1 - Part Type: Module - Symbol Style: Parametric - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Manufacturer Name: Espressif Systems **Pins:** - 3V3 [pin 1] - D12 [pin 27] - D13 [pin 28] - D14 [pin 26] - D15 [pin 3] - D18 [pin 9] - D19 [pin 10] - D2 [pin 4] - D21 [pin 11] - D22 [pin 14] - D23 [pin 15] - D25 [pin 23] - D26 [pin 24] - D27 [pin 25] - D32 [pin 21] - D33 [pin 22] - D34 [pin 19] - D35 [pin 20] - D4 [pin 5] - D5 [pin 8] - EN [pin 16] - GND [pin 2] - GND_1 [pin 29] - RX0 [pin 12] - RX2 [pin 6] - TX0 [pin 13] - TX2 [pin 7] - VIN [pin 30] - VN [pin 18] - VP [pin 17] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/noqqu/wled12vboard~py](https://www.flux.ai/noqqu/wled12vboard~py).* --- *Generated from [https://www.flux.ai/noqqu/wled12vboard~py](https://www.flux.ai/noqqu/wled12vboard~py)*