1.85-inch Round Knob Screen manufacturer

A Certified Manufacturer of 1.85-inch Round Knob Screen Technology

Shenzhen Jingcai Intelligent Co., Ltd. stands as a vertically integrated 1.85-inch Round Knob Screen manufacturer dedicated to high-performance HMI solutions, providing a transparent and verifiable supply chain for global B2B partners. Established in 2021, we have rapidly evolved into a specialized powerhouse within the smart display sector. Our industrial strength is anchored in the precision manufacturing of the 1.85-inch Round Knob Screen, specifically model JC3636K718C_I_Y1(GY), which serves as a benchmark for rotary control reliability.

Our engineering team leverages a powerful dual-core 240MHz MCU architecture with 8MB PSRAM and 16MB Flash, ensuring that every rotary interface we produce offers the low-latency responsiveness required for professional-grade applications. Unlike assembly-only providers, we maintain full control over our CNC-machined metal housing production, offering five standard finishes and bespoke color customization for orders exceeding 500 units. To guarantee international compliance and hardware integrity, our products undergo rigorous testing to maintain CE, RED, and FCC certifications, ensuring they meet the wireless and safety standards of the European and North American markets.

We demonstrate our operational stability through a robust inventory system, facilitating next-business-day dispatch for in-stock components to support your rapid prototyping needs. Whether you are a multi-national integrator or a specialized developer, our flexible MOQ of 1 unit allows for immediate verification of our manufacturing excellence. Contact our technical team today to request a sample review and validate our production capabilities for your upcoming project.

✅ CE, RED & FCC Certified

✅ Established 2021 Factory Strength

✅ Dual-Core 240MHz ESP32-S3 Power

✅ Precision CNC Metal Engineering

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Reliable Smart Knob Production for Seamless HMI Integration

Finding a reliable 1.85-inch knob screen 1.85-inch Round Knob Screen manufacturer involves balancing cutting-edge electronics with mechanical precision. Project delays often stem from suppliers who lack direct control over both the MCU firmware and the housing quality. By centralizing the production of ESP32-S3 modules and CNC-finished enclosures, the manufacturing process ensures high-speed connectivity and tactile durability. This integrated approach provides developers with a stable, ready-to-deploy HMI solution that minimizes technical risks during the scaling phase.

• High-Performance MCU and Connectivity Engineering
• The JC3636K718C_I_Y1(GY) model's basic architecture is where technical depth validation starts. To handle complicated LVGL graphics without latency, this system makes use of a dual-core 240MHz ESP32-S3 CPU in conjunction with 8MB PSRAM and 16MB Flash. The module does away with external wireless peripherals by including Bluetooth 5.0 and native WiFi at the chip level. For smart home and industrial IoT applications that need high-speed data processing, this engineering approach guarantees long-term stability and compatibility.
• View Technical Datasheet
• Advanced CNC Machining and Custom Aesthetics
• Specialised precision CNC-machined metal housing manufacturing lines provide durability and brand identification. These devices provide better heat dissipation and mechanical tactile feedback for the 1.85-inch round display than their plastic counterparts. Red, black, purple, dark grey, and blue are the standard colours; however, orders above 500 units may be customised. Because of this flexibility, manufacturers may precisely match the HMI hardware to the industrial design specifications and premium market positioning of their products.
• Explore Custom Finishes
• Rigorous Quality Assurance and Rapid Fulfillment
• Reliability is verified through a structured QC process that covers everything from display color consistency to rotary encoder torque testing. The facility maintains robust stock levels to support a low MOQ of a single unit for rapid prototyping and validation. Once confirmed, orders are dispatched on the next business day, with standard packaging of 86 units per carton. This scalable approach supports both agile startups and large-scale industrial volume requirements through a streamlined global supply chain.
• Request Sample Review

Next-Day | Stock Dispatch Guarantee

5+ | Precision CNC Color Finishes

1 Unit | Minimum Order for Prototypes

240MHz | Processing Frequency Performance

CNC-machined metal housings and ESP32-S3 processors define the high-performance standard of these circular HMI modules.