# On-Air LED Sign ## Description R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. ## Project Details - **Owner:** flux - **Created:** 9/28/2023 - **Last Updated:** 9/28/2023 - **Visibility:** Public - **Forks:** 1 ## Key Components ### D1 — [ESD9B5.0ST5G](https://www.flux.ai/jecstronic/esd9b50st5g.md) - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.cn/pdf/datasheet/esd9b-d.pdf - Part Type: Diode - Manufacturer Part Number: ESD9B5.0ST5G **Pins:** - A1 [pin 1] - A2 [pin 2] ### J1 — U262-061N-4BVC11 - Manufacturer Part Number: U262-061N-4BVC11 - Datasheet URL: https://datasheet.lcsc.com/lcsc/2106061803_XKB-Connectivity-U262-061N-4BVC11_C2764612.pdf - LCSC Part Number: C2764612 - Manufacturer Name: XKB Connectivity **Pins:** - CC1 [pin A5] - CC2 [pin B12] - GND [pin B12] - GND_1 [pin A12] - MH1 [pin MH1] - MH2 [pin MH2] - MH3 [pin MH3] - MH4 [pin MH4] - VBUS_1 [pin A9] - VBUS_2 [pin B9] ### SW2 — [TK-6580-1](https://www.flux.ai/vasyl/tk-6580-1.md) - Manufacturer Name: Yuandi - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008311534_Yuandi-TK-6580-1_C528778.pdf - A random link: 10.1 - Manufacturer Part Number: TK-6580-1 - Part Type: Switch **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/flux/on-air-led-sign](https://www.flux.ai/flux/on-air-led-sign).* --- *Generated from [https://www.flux.ai/flux/on-air-led-sign](https://www.flux.ai/flux/on-air-led-sign)*