2-Pack RM3HAF-10 Rotary Dial Coding Switch 0–9 with Handle
2-Pack RM3HAF-10 Rotary Dial Coding Switch 0–9 with Handle
2-Pack RM3HAF-10 Rotary Dial Coding Switch (0–9) with Handle
Upgrade your electronics projects with these precision RM3HAF-10 Rotary Dial Coding Switches. Featuring a 0–9 (10-position) digit range and a 3:3 SMD/patch footprint, these compact switches are ideal for makers, engineers, and hobbyists who need reliable, space-saving rotary encoding in their builds. Each pack includes 2 pieces so you always have a spare on hand.
Key Features
- Continuous Rotary Encoding: Count forward and backward during rotation with clean output pulse frequency — straightforward to integrate into any digital circuit.
- 10-Position Coding (0–9): Full decimal range for versatile data selection, volume control, menu navigation, and more.
- Patch / SMD Design (3:3): Low-profile surface-mount footprint makes these switches perfect for compact PCB layouts.
- With Handle: Integrated rotary handle for easy manual adjustment — no extra knob required.
- Wide Application Range: Compatible with automotive infotainment systems, LED/LCD display menus, data entry panels, custom keyboard kits, and DIY electronics.
- Durable Construction: Built from a combination of plastic and metal for long-lasting performance in both prototyping and production environments.
Specifications
| Model | RM3HAF-10 |
| Coding Range | 0–9 (10 positions) |
| Type | Rotary Dial Coding Switch (Patch / SMD, 3:3) |
| Material | Plastic + Metal |
| Size | 1.0 × 1.0 × 1.1 cm (approx. 0.39 × 0.39 × 0.43 in) |
| Quantity | 2 pieces per pack |
| Country of Origin | Made in China |
What's in the Box?
- 2 × RM3HAF-10 Rotary Dial Coding Switch with Handle
Perfect For
- Custom mechanical keyboard and input device builds
- Car audio and infotainment volume/selection controls
- LED and LCD display menu navigation
- Embedded systems and microcontroller projects
- Industrial control panels and data entry equipment
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Frequently Asked Questions
Q: What does the "0–9 coding range" mean on these rotary switches?
A: The RM3HAF-10 rotary dial coding switch has 10 discrete positions, numbered 0 through 9. Each position outputs a unique binary-coded signal that your circuit or microcontroller can read, making it ideal for digital data selection, address setting, or menu navigation in your electronics project.
Q: Are these switches surface-mount (SMD) compatible?
A: Yes. These switches feature a patch / SMD 3:3 footprint, meaning they are designed to be soldered directly onto a PCB surface without through-hole leads. This makes them excellent for compact, low-profile circuit board designs.
Q: Can I use these rotary coding switches with a microcontroller like an Arduino or Raspberry Pi?
A: Absolutely. The RM3HAF-10 outputs standard binary-coded decimal (BCD) signals that are easy to read with most microcontrollers, including Arduino, Raspberry Pi, and similar development boards. They are straightforward to wire up and integrate into your firmware.
Q: How accurate are the dimensions listed?
A: The listed dimensions (1.0 × 1.0 × 1.1 cm) are nominal values. Please allow for minor measurement tolerances as these are manually measured. Color appearance may also vary slightly depending on your monitor's display settings.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.