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put protection diode because last board mysteriously stopped working
markwuflux

markwuflux

put protection diode because last board mysteriously stopped working
3y
2
This doc is depreciated, see the frozen version here: https://www.flux.ai/markwu...
markwuflux

markwuflux

This doc is depreciated, see the frozen version here: /markwuflux/on-air-markwu2001-remix-r1-backup-freeze-0b49
3y
4
IMPORTANT: Change LED part in BoM to: XL-2012SURC C965812 R1 of buck converter ...
markwuflux

markwuflux

IMPORTANT: Change LED part in BoM to: XL-2012SURC C965812
R1 of buck converter may need to be tuned depending on the Bin you get. Refer to Pg 4 for binning information on these LEDs: https://datasheet.lcsc.com/lcsc/2211030000_XINGLIGHT-XL-2012SURC_C965812.pdf
A bin table may be added if it is a problem
3y
1
LED9
LED17
LED16
LED14
LED10
LED5
LED3
LED6
LED7
LED11
LED2
LED13
LED8
LED12
LED15
LED4
LED1
2V
5V
5V
2V
SW2
J1
5V
2V
5V
2V
2V
R8
Resistance
5.1kΩ
R9
Resistance
5.1kΩ
D1

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Q4-2022-Dogfooding-On Air-markwu2001-Remix-R1

IMPORTANT NOTICE: Hey, I opened editing permissions and this doc is broken, see the frozen version here: /markwuflux/on-air-markwu2001-remix-r1-backup-freeze-0b49
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.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Digi-Key

$0.03–$0.18

LCSC

$1.50–$1.51

Mouser

$0.20

Controls