2 layers63 × 53 mm
Led backlight
LongLiveCHIEF/led-backlighting-controller
This project is designed to control a strip of ws2812 LED's that serve to backlight wall-hung art.
19 parts3
2 layers48.5 × 27.5 mm
Led backlight controls
LongLiveCHIEF/led-backlighting-controller3This project is designed to control a strip of ws2812 LED's that serve to backlight wall-hung art.
- Size
- 48.5 × 27.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 7
- Nets
- 5
- Pads
- 21
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 5 (file 20171130)
- Created
- 10 Apr 2021
- Updated
- 4 Sep 2021
Overview
Led backlight controls is an open-source printed circuit board by LongLiveCHIEF, from the LongLiveCHIEF/led-backlighting-controller repository on GitHub. It is a 2-layer board of 48.5 × 27.5 mm with 7 parts on 5 nets.
It is built around the AMS1117-3.3. Its parts include 2 capacitors, 2 connectors, 1 IC and 1 switch.
Main components
1README
README.mdLED Backlighting Controller
This project is designed to control a strip of ws2812 LED's that serve to backlight wall-hung art.
At the moment, in it's earliest viable release form, it has one momentary push button that is used to cycle through the available solid color lighting choices.
Future updates for this project will support a potentiometer for dimming, and various animation modes.
Build and Flash
cargo build --release
cargo hf2 --releaseVideo Demo
Electrical Schematic
Power Usage
Power values below from ws2812 strip of 20 led's
| Color | mA @ max brightness | mA @ 50% brightness | mA @ 10% brightness |
|---|---|---|---|
| WHITE | 14.30 | 7.26 | 2.05 |
| RED | 5.28 | 3.13 | 1.74 |
| GREEN | 3.11 | 2.25 | 1.65 |
| BLUE | 5.26 | 3.15 | 1.73 |
Parts
7| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | 22uF | Capacitor_Tantalum_SMD:CP_EIA-3528-12_Kemet-T | C1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | Conn_01x02_Female | initeq:jst_xh_conn_1x02_horizontal | J3 |
| 1 | Conn_01x04_Female | initeq:jst_xh_conn_1x04_horizontal | J2 |
| 1 | R_POT_US | initeq:jst_xh_conn_1x03_horizontal | RV1 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH-12mm | SW1 |
Questions
How big is the Led backlight controls PCB?
It measures 48.5 × 27.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Led backlight controls use?
7 parts, built around the AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Led backlight controls KiCad files?
From the LongLiveCHIEF/led-backlighting-controller repository on GitHub, at the commit this page was made from: the board is kicad/led-backlight/led-backlight-controls/led-backlight-controls.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Led backlight controls design in my own project?
Its repository states no licence, so its author keeps all rights: ask LongLiveCHIEF before reusing the design.
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