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STD WS2813 hack connector
WS2813 hack connector
License
Public Domain
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Update time：
2022-08-11 08:23:39
Creation time：
2021-11-20 08:42:58
Description
Description
WS2813 connector with power MOSFET and level shifter hack
- No level shifter IC needed to run Neopixels/WS2812/WS2813 from 3.3V microcontroller
- MOSFET to turn LED strip power on/off from a microcontroller GPIO pin
A SMD version of the WS2813 gets sacrificed to run at ~4.3V (powered through the diode), which makes it accept 3.3V data signals. The data signal it outputs can then be used to control WS2812/WS2813 LEDs running at 5V.
Pins:
- DIN: Connect directly to microcontroller GPIO (data pin)
- FET: Connect directly to microcontroller GPIO (turn MOSFET on/off)
- DO: Connect to WS2812/WS2813 DIN pin
- LGND: Connect to LED strip GND
- 5V: Connect to LED strip 5V
See https://hackaday.com/2017/01/20/cheating-at-5v-ws2812-control-to-use-a-3-3v-data-line/
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 0 | BYPASS1 | R0805 | 1 |
| 2 | 1000uF | C1 | CAP-SMD_BD8.0-L8.3-W8.3-RD | 1 |
| 3 | 1N4001 | D2 | SMA_L4.3-W2.6-LS5.1-RD | 1 |
| 4 | HDR-F-2.54_1x2 | H1 | HDR-F-2.54_1X2 | 1 |
| 5 | HDR-M-2.54_1x3 | J1 | HDR-M-2.54_1X3 | 1 |
| 6 | HDR-M-2.54_1x4 | J2 | HDR-M-2.54_1X4 | 1 |
| 7 | CONN-TH_3P-P5.00 | P1 | CONN-TH_3P-P5.00 | 1 |
| 8 | CONN-TH_2P-P5.00 | P2 | CONN-TH_2P-P5.00 | 1 |
| 9 | IRLR2905TRPBF | Q2 | TO-252-3_L6.5-W5.8-P4.58-TR | 1 |
| 10 | 330 | R1 | R0805 | 1 |
| 11 | 100 | R5 | R0603 | 1 |
| 12 | 47k | R7 | R0603 | 1 |
| 13 | WS2813B-B | SACRIFICE1 | LED-SMD_6P-L5.0-W5.0-TL | 1 |
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