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Get More from Your Project with the Rotary Encoder EC11 Module
The DFRobot 360 degree rotary encoder module is based and designed on the EC11 rotary encoder button. The module has three signal terminals: terminals A & B are encoder output; terminal C is the button signal output. It is quite suitable for applications such as a volume knob and varying lighting voltage. The rotary encoder module comes with XH2.54 bonding pad, easy to use in prototyping projects such as automotive electronics, multimedia speakers, instrumentation, smart home and other fields.
Rotary Encoder EC11 Module is a practical choice for maker, robotics, education, and automation builds that need dependable DFRobot hardware.
Important: Use the official DFRobot links below for wiring, sample code, downloads, and the latest setup notes for this SKU.
Why you'll love it
- Operating Voltage: 3.3V ~ 5V
- Full Rotation Angle: 360 degrees (no stop point)
- Number of pulse: 15
- Rotation Life: 30000 ± 200 Cycles
- Contact Resistance: ≤ 100mΩ
- Insulation Resistance: 100MΩ or more
What you can build
This module is a good fit for custom electronics, quick prototyping, and project upgrades. It pairs well with common maker boards when you need extra function without a complex setup.
Starter bundles
Pair it with an Arduino-compatible board, jumper wires, and the matching power or expansion accessories needed for your build.
Recommended add-ons
Useful add-ons include displays, breakout boards, cables, enclosures, and power accessories depending on the rest of your project.
Technical specifications
| Product | Rotary Encoder EC11 Module |
|---|---|
| SKU | SEN0235 |
| Brand | DFRobot |
| Operating voltage | 3.3V ~ 5V |
| Full Rotation Angle | 360 degrees (no stop point) |
| Number of pulse | 15 |
| Rotation Life | 30000 ± 200 Cycles |
| Contact Resistance | ≤ 100mΩ |
| Insulation Resistance | 100MΩ or more |
| Oscillation | <10ms Press |
Pinout & usage notes
Check the supported input voltage before wiring so the module matches your controller and power source.
DFRobot resources
Official product page: View on DFRobot
Wiki / documentation: Open DFRobot wiki
More Documents
What’s in the box
1 × Rotary Encoder EC11 Module
Frequently Asked Questions
Can I use this with Arduino? Yes. Most DFRobot parts in this range are designed for Arduino-compatible builds, and the official resource links below show wiring and setup details.
Does it work with other boards too? Often yes, as long as voltage, interface, and pin mapping match. ESP32 and Raspberry Pi users should still check the official docs first.
Where can I find wiring and examples? Use the official DFRobot product page and wiki links below for guides, downloads, and code examples.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
Compatibility & downloads
// downloads
- Sen0235 Ec11 Dimension V1 pdf
- Schematic pdf
- Datasheet pdf
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