--- product_id: 109543429 title: "5pcs/lot Rotary Encoder,Code switch/EC11/ Audio Digital Potentiometer,with Switch,5Pin, Handle Length 20mm" brand: "bolsen" price: "£9.68" currency: GBP in_stock: true reviews_count: 2 category: "Bolsen" url: https://www.desertcart.co.uk/products/109543429-5pcs-lot-rotary-encoder-code-switch-ec11-audio-digital-potentiometer store_origin: GB region: United Kingdom --- # 20-position precision rotary control 5-pin Molex connector for seamless integration Durable copper/brass/silver contacts for reliable switching 5pcs/lot Rotary Encoder,Code switch/EC11/ Audio Digital Potentiometer,with Switch,5Pin, Handle Length 20mm **Brand:** bolsen **Price:** £9.68 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your DIY projects with precision and style! ## Quick Answers - **What is this?** 5pcs/lot Rotary Encoder,Code switch/EC11/ Audio Digital Potentiometer,with Switch,5Pin, Handle Length 20mm by bolsen - **How much does it cost?** £9.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/109543429-5pcs-lot-rotary-encoder-code-switch-ec11-audio-digital-potentiometer) ## Best For - bolsen enthusiasts ## Why This Product - Trusted bolsen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Switch It Up:** Integrated push switch adds an extra layer of functionality for dynamic control - • **Built to Last:** High-quality copper, brass, and silver contacts guarantee long-term durability - • **Compact & Versatile:** 20mm handle length fits perfectly in custom mechanical keyboards and audio devices - • **Plug & Play Simplicity:** 5-pin Molex header ensures quick, hassle-free installation - • **Precision at Your Fingertips:** 20 distinct positions for ultra-fine control and customization ## Overview This 5-pack of Bolsen EC11 rotary encoders features 20-position rotary switches with integrated push buttons, 5-pin Molex connectors, and durable copper/brass/silver contacts. Designed for panel mounting, these compact 20mm handle encoders are ideal for custom mechanical keyboards, audio equipment, and other precision control applications. ## Description 5pcs/lot Rotary encoder,code switch/EC11/ audio digital potentiometer,with switch,5Pin, handle length 20mm Review: Good switch - I built my own machanical key board and i can customize my own key this is work best for me Review: No mounting nuts - No shaft nuts. Now we will need to scrounge our parts bin. (but to be fair no nuts were shown in the detail photos) ## Features - 5pcs/lot Rotary encoder,code switch/EC11/ audio digital potentiometer,with switch,5Pin, handle length 20mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07HQD627T | | Actuator Type | Rotary | | Best Sellers Rank | #295,526 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #337 in Potentiometers | | Brand | Bolsen | | Brand Name | Bolsen | | Circuit Type | 1-way | | Color | Blue | | Compatible Devices | Audio equipment, gaming devices, DIY electronics projects, remote-controlled devices, X-10 compatible devices | | Connectivity Protocol | X-10 | | Connector Type | Molex Pin Header | | Contact Material | Copper, Brass, Silver | | Contact Type | Normally Open | | Control Method | Remote | | Control Type | Rotational | | Controller Type | Mechanical knob | | Customer Reviews | 4.5 out of 5 stars 29 Reviews | | Manufacturer | Bolsen | | Material Type | Plastic | | Model | BOLSEN-RE001 | | Mounting Type | Panel Mount | | Number of Items | 5 | | Number of Positions | 20 | | Operation Mode | Rotary switch | | Switch Type | Rotary | | Terminal | Through Hole | | Unit Count | 5.0 Count | ## Product Details - **Actuator Type:** Rotary - **Brand:** Bolsen - **Circuit Type:** 1-way - **Connector Type:** Molex Pin Header - **Contact Type:** Normally Open - **Material:** Plastic - **Mounting Type:** Panel Mount - **Operation Mode:** Rotary switch - **Switch Type:** Rotary - **Terminal:** Through Hole ## Images ![5pcs/lot Rotary Encoder,Code switch/EC11/ Audio Digital Potentiometer,with Switch,5Pin, Handle Length 20mm - Image 1](https://m.media-amazon.com/images/I/61RRczZ7hbL.jpg) ![5pcs/lot Rotary Encoder,Code switch/EC11/ Audio Digital Potentiometer,with Switch,5Pin, Handle Length 20mm - Image 2](https://m.media-amazon.com/images/I/61SBAtUhWmL.jpg) ## Questions & Answers **Q: Does it work with keyboards?** A: Yes, the rotations and push button all register just fine but it is a bit tall. **Q: Is this a push button?** A: Yes it does push down. It does not come with knob caps though. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good switch *by D***K on October 26, 2024* I built my own machanical key board and i can customize my own key this is work best for me ### ⭐⭐ No mounting nuts *by G***D on May 23, 2025* No shaft nuts. Now we will need to scrounge our parts bin. (but to be fair no nuts were shown in the detail photos) ## Frequently Bought Together - Bolsen 5pcs/lot Rotary Encoder,Code switch/EC11/ Audio Digital Potentiometer,with Switch,5Pin, Handle Length 20mm - DZS Elec 2pcs MP1584EN Mini 3A DC-DC Buck Converter 4.5V-28V to 0.8V-20V Adjustable Voltage Regulator 24V/12V/9V to 12V/5V/3.3V Step-Down Power Module - EASON Stepper Motor Driver TB6600 4A DC9-42V 32 Subdivision for Nema 17, 23 Series Stepper Motor CNC Controller Single Axis Hybrid MicroStepping --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/109543429-5pcs-lot-rotary-encoder-code-switch-ec11-audio-digital-potentiometer](https://www.desertcart.co.uk/products/109543429-5pcs-lot-rotary-encoder-code-switch-ec11-audio-digital-potentiometer) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-19*