2 layers27.9 × 27.9 mm
2 layers38.1 × 25.4 mm
TinyEncoderReader
UserHackable/RotaryEncoderRotaryEncoder
- Size
- 38.1 × 25.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 16
- Pads
- 51
- Tracks, vias
- 78, 0
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 8 Apr 2016
- Updated
- 20 Jul 2026
Overview
TinyEncoderReader is an open-source printed circuit board by UserHackable, from the UserHackable/RotaryEncoder repository on GitHub. It is a 2-layer board of 38.1 × 25.4 mm with 14 parts on 16 nets, routed with 78 tracks and 0 vias.
It is built around the WS2811. Its parts include 4 resistors, 2 ICs, 1 transistor, 1 connector and 1 switch.
Main components
1README
README.mdTiny84EncoderReader
Board dimensions
- (110000, 110000) original units
- (1.1000, 1.1000) inches
- (27.9400, 27.9400) mm
| Front | Back |
|---|---|
 |  |
TinyEncoderReader
Board dimensions
- (150000, 100000) original units
- (1.5000, 1.0000) inches
- (38.1000, 25.4000) mm
| Front | Back |
|---|---|
 |  |
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 100k | AXIAL-0.3 | R1, R2 |
| 1 | dummyfp1 | UNK_HOLE_1 | |
| 1 | 1X04 | JP1 | |
| 1 | dummyfp3 | UNK_HOLE_3 | |
| 1 | dummyfp2 | UNK_HOLE_2 | |
| 1 | TO-92-AMMO | Q1 | |
| 1 | dummyfp0 | UNK_HOLE_0 | |
| 1 | ENCODER_LED_3 | SW1 | |
| 1 | 100 | AXIAL-0.3 | R3 |
| 1 | 10k | AXIAL-0.3 | R4 |
| 1 | ICSP | 2X3-NS | J1 |
| 1 | TINY85 | DIP08 | U1 |
| 1 | WS2811 | SO08-SKINNYPADS | U2 |
Questions
How big is the TinyEncoderReader PCB?
It measures 38.1 × 25.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the TinyEncoderReader use?
14 parts, built around the WS2811. 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 TinyEncoderReader KiCad files?
From the UserHackable/RotaryEncoder repository on GitHub, at the commit this page was made from: the board is KiCad/TinyEncoderReader/TinyEncoderReader.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the TinyEncoderReader design in my own project?
Its repository states no licence, so its author keeps all rights: ask UserHackable before reusing the design.
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