Futai-Encoder-WS2811-ring
andilge·Futai-Encoder-WS2811-ring
About the Futai-Encoder-WS2811-ring PCB
Futai-Encoder-WS2811-ring is an open source PCB design by andilge, published on GitHub under the SHL-2.1 license. It is a 2-layer board measuring 31.1 × 49 mm, with 50 components from 14 distinct parts.
By type, the board carries 27 resistors, 12 diodes, 9 capacitors, 1 connector and 1 switch.
It belongs with the displays & leds designs in this gallery.
From the project
Shoutout to ezcGman for the assistance with the KiCad symbols and footprints, hints about thermal reliefs on pads and the continuous feedback about his experiences while building up the circuit with the board.
Shoutout to ezcGman for the assistance with the KiCad symbols and footprints, hints about thermal reliefs on pads and the continuous feedback about his experiences while building up the circuit with the board.
Additional to this you can purchase 10 blank cover panels on aliexpress.com
The official data sheet from the producer says | pin # | description | |:------:|:---------------:| | 1 | DOUT | | 2 | VCC | | 3 | GND | | 4 | DIN |

Futai-Encoder-WS2811-ring bill of materials (BOM)
50 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_02x05_Top_Bottom | PinHeader_2x05_P2.54mm_Vertical | J1 |
| 1 | RotaryEncoder_Switch_RGB | LED_RotaryEncoder_EC12_Switch_Vertical_H20mm | SW1 |
| 12 | WS2812D F5 hat | WS2811D-F5-1261 | D1, D2, D3, D4, D5, D6, D7, D8 +4 |
| 6 | 220nF | C_0805_2012Metric | C1, C3, C5, C7, C9, C11 |
| 1 | 100nF | C_0805_2012Metric | C21 |
| 2 | 10nF | C_0805_2012Metric | C31, C41 |
| 12 | 75Ω | R_0805_2012Metric | R1, R2, R3, R4, R5, R6, R7, R8 +4 |
| 1 | 33kΩ | R_0805_2012Metric | R21 |
| 1 | 68kΩ | R_0805_2012Metric | R22 |
| 4 | 10kΩ | R_0805_2012Metric | R31, R32, R41, R42 |
| 2 | 39kΩ | R_0805_2012Metric | R33, R43 |
| 3 | 12kΩ | R_0805_2012Metric | R51, R61, R71 |
| 3 | 2kΩ | R_0805_2012Metric | R52, R62, R72 |
| 1 | 100Ω | R_0805_2012Metric | R81 |
Futai-Encoder-WS2811-ring design files
The KiCad project lives in the andilge/Futai-Encoder-WS2811-ring repository on GitHub; these links point at the commit this page was built from.
Futai-Encoder-WS2811-ring: common questions
How big is the Futai-Encoder-WS2811-ring PCB?
The Futai-Encoder-WS2811-ring measures 31.1 × 49 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Futai-Encoder-WS2811-ring?
50 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the Futai-Encoder-WS2811-ring design files?
From the andilge/Futai-Encoder-WS2811-ring repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Futai-Encoder-WS2811-ring design in my own project?
It is published under SHL-2.1, which limits how it may be reused; read the license before building on it.
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