

Encoder
KY-040 switched encoder clone with added hardware debouncing
- Size
- 26 × 19 mm
- Copper layers
- 2
- Thickness
- 0.57 mm
- Parts
- 13
- Nets
- 8
- Pads
- 32
- Tracks, vias
- 39, 1
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 1 Nov 2022
- Updated
- 1 Nov 2022
Overview
Encoder is an open-source printed circuit board by threedaymonk, from the threedaymonk/encoder repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 26 × 19 mm with 13 parts on 8 nets, routed with 39 tracks and 1 via.
Its parts include 6 resistors, 3 capacitors, 1 connector and 1 switch.
README
README.mdEncoder board with debouncing
This follows the physical dimensions of the common KY-040 type switched encoder boards, but adds hardware debouncing to allow simpler software interfacing.
All SMT components are 0603 (Imperial). Resistors are 10kΩ, capacitors are 10nF.
Not yet tested! Use at your own risk (but let me know how it goes).
Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R3, R4, R5, R6 |
| 3 | 10n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3 |
| 2 | MountingHole | MountingHole:MountingHole_2.7mm_M2.5 | H1, H2 |
| 1 | Conn_01x05_Male | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J1 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC12E-Switch_Vertical_H20mm | SW1 |
Questions
How big is the Encoder PCB?
It measures 26 × 19 mm and has 2 copper layers, 0.57 mm thick.
What parts does the Encoder use?
13 parts. 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 Encoder KiCad files?
From the threedaymonk/encoder repository on GitHub, at the commit this page was made from: the board is encoder.kicad_pcb and its schematic encoder.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Encoder design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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