Product Category

1.8 inch knob display manufacturer

Reliable Manufacturing for High-Performance 1.8 Inch Knob Display Modules

Ensuring your production line is backed by a verified source is critical for long-term project stability. You need an HMI partner that offers both technical precision and transparent production scales to mitigate sourcing risks in your supply chain.

Procurement teams looking for a 1.8 inch knob display often struggle with the "trading company trap"—paying premiums to intermediaries who lack direct control over firmware stability or hardware quality. At this stage of your decision-making, the challenge isn't just finding a module; it's validating whether the supplier can sustain mass production without quality drift or provide the necessary technical support for complex rotary encoder integration.

Shenzhen Jingcai Intelligent Co., Ltd. eliminates these uncertainties by providing factory-direct access to the GUITION series, specifically the model JC3636K518C_I_YR1. This 1.8 inch knob display is engineered around the robust ESP32-S3R8 dual-core MCU, integrating Wi-Fi and Bluetooth BLE 5.0 to handle demanding HMI tasks at a frequency of 240MHz. Unlike generic modules, our solution features a high-density 360x360 capacitive touch screen and 8MB PSRAM, ensuring smooth UI transitions and reliable secondary development support through Arduino, MicroPython, or the proprietary GUITION platform.

As a specialized 1.8 inch knob display manufacturer, we maintain strict quality control protocols reflected in an international compliance portfolio including CE, RED, and FCC certifications. The production facility is equipped to handle everything from PCB SMT assembly to final CNC-machined enclosure housing, ensuring each 1.8 inch knob display survives rigorous industrial application environments. With an additional 16MB Flash and integrated speaker/microphone circuits, the engineering team provides the hardware transparency required for high-stakes smart hardware audits.

Direct comparisons of factory testing reports and technical documentation facilitate more informed procurement decisions for smart hardware developers. Comprehensive technical data sheets and certification files provide the transparency needed for high-stakes manufacturing partnerships.

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Brand: GUITION
Model: ESP32-2432S032R_I
This LCD module uses ESP32 module as the main control, the maincontrol is a dual-core MCU, integrated Wl-Fl and Bluetooth functions, the mainfrequency can reach 240MHz,520KB SRAM, 448KB ROM, Flash size is 4MB, Thedisplay resolution is 240x320,resistive touch. The module includes 3.2 inch LCD displayscreen, backlight control circuit, touch screen control circuit, speaker drive circuit,photosensitive circuit and RGB-LED control circuit. TF card interface, serial interface,temperature and humidity sensor interface (DHT11 interface) and reserved l0 portinterface, this module supports development in arduino IDE, ESP IDE, Micropythonand Mixly.

View Details

3.2 inch ESP32 display module

ESP32 C3 screen

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Certified Manufacturer of High-Performance 1.8 Inch Knob Displays

Shenzhen Jingcai Intelligent Co., Ltd. is a verified high-tech 1.8 inch knob display manufacturer specializing in advanced HMI solutions since its inception in 2021. As a dedicated leader in the LED display industry, we operate a professional production facility in Shenzhen, ensuring that every 1.8 inch knob display meets rigorous industrial standards for stability and performance. Our company has successfully integrated into global supply chains by providing robust hardware that bridges the gap between traditional tactile controls and modern digital interfaces, serving as a reliable partner for brands requiring verified manufacturing excellence.

Our GUITION brand line is an example of our extensive technological integration, which is our key strength. Our high-resolution circular modules are powered by the potent ESP32-S3R8 dual-core MCU, which can achieve primary frequencies of 240MHz. The flagship 1.8-inch knob display has 16MB Flash memory, integrated Wi-Fi/Bluetooth BLE 5.0, and a 360x360 pixel capacitive touchscreen. We provide complete modules with integrated microphone circuits, speaker drivers, and CNC-machined enclosures, facilitating secondary development using the Arduino IDE and MicroPython, in contrast to assembly-only vendors.

Our products closely follow CE, RED, and FCC certifications to provide smooth entrance into foreign markets, demonstrating our dedication to electrical safety and worldwide compliance. To guarantee that our rotary encoders have a rotational lifetime of more than 100,000 cycles, we maintain a stringent quality control system. Our engineering team offers the clear paperwork and technical evidence required for your procurement audit, whether you are creating high-end kitchen appliances or smart home central nodes. To get our complete factory profile and technical datasheets, get in touch with us right now.

✅ Established 2021 in Shenzhen

✅ CE, RED & FCC Certified

✅ Dual-Core ESP32-S3 Power

✅ 100,000+ Rotation Cycle Life

✅ Full OEM/ODM Technical Support

about us

Scale Your Production with Vertically Integrated Knob Display Manufacturing

product-1-1

Procurement teams often struggle to verify if a supplier can handle complex ESP32-S3 integrations while maintaining strict quality control for high-resolution 1.8-inch displays. Partnering with a specialized 1.8 inch knob display manufacturer eliminates these risks by bridging the gap between chip-level R&D and mass-scale assembly. The production facility ensures that every JC3636K518C_I_YR1 module undergoes rigorous electrical and optical testing to deliver a reliable, multi-functional HMI solution ready for global industrial deployment.

Advanced ESP32-S3 Dual-Core Chip Level Engineering
Utilising the ESP32-S3R8's 8MB PSRAM and 240MHz primary frequency maximises user interface responsiveness in a variety of industrial applications. The 1.8-inch knob display maintains reliable Wi-Fi 5.0 and Bluetooth BLE 5.0 connection thanks to internal management of hardware-level MCU programming and memory allocation. For high-end thermostats and car consoles, this technological depth avoids performance bottlenecks in 360x360 graphics rendering, ensuring a smooth user experience even during lengthy calculation cycles.
Review Technical Specifications
Integrated Assembly of Multi-Sensory Components
It takes more than simply installing a screen to manufacture a smart knob; proper integration of capacitive touch layers and audio circuitry is necessary. For the JC3636K518C_I_YR1 type, dedicated manufacturing lines combine speaker driver and microphone electronics into a single, small module. The 1.8-inch LCD panel, backlight control, and touch sensors all function flawlessly thanks to this single manufacturing strategy, which also minimises external BOM complexity and removes compatibility issues.
Explore Manufacturing Process
Rigorous Multi-Stage Quality Assurance Protocol
For rotary HMI systems that need long-term stability in challenging situations, industrial dependability is a must. To confirm pixel quality and capacitive touch sensitivity across the 360x360 surface, each 1.8-inch display is subjected to automated optical testing. Data integrity is ensured by stress testing on the embedded 16MB Flash and TF card interfaces, ensuring that every unit satisfies the exacting performance requirements set by expert equipment integrators and smart appliance developers.
Access Quality Certifications

50,000+ | Monthly Units Production Capacity

15+ | Dedicated R&D Engineers for ESP32 Projects

48-Hour | Rapid Prototyping Lead Time

The JC3636K518C_I_YR1 module provides a high-resolution circular HMI interface with integrated wireless connectivity and expandable memory.

FAQs

1. What is your typical lead time and MOQ for the 1.8 inch knob display?

Our standard lead time for sample orders is 7 to 10 business days, while mass production typically scales to 3-4 weeks depending on the order volume. For the 1.8 inch knob display (Model JC3636K518C_I_YR1), we support a low Minimum Order Quantity (MOQ) of 10 units to facilitate the initial prototyping and R&D phase for engineers. As a direct manufacturer, we maintain a monthly production capacity of over 50,000 units, ensuring a stable supply chain for large-scale industrial or smart home deployments. Please contact our sales team to receive a detailed quotation and shipping schedule tailored to your project.
2. How do you ensure the quality and durability of your rotary knob modules?

We implement a multi-stage quality control process, including 100% automated optical inspection (AOI) and rigorous functional testing before shipment. Each 1.8 inch knob display is subjected to a mechanical endurance test of 100,000 rotation cycles and 50,000 push-button actuations to guarantee long-term reliability in demanding environments. Furthermore, our modules are validated for thermal stability between -20°C and +70°C, ensuring the ESP32-S3R8 controller operates without frequency throttling. Our facility is ISO9001 certified, and all products carry CE, RED, and FCC certifications to meet international safety and electromagnetic compatibility standards.
3. Can you provide technical support for secondary development on the ESP32-S3 platform?

Yes, we provide comprehensive technical documentation, schematics, and SDKs for secondary development across Arduino IDE, ESP-IDF, and MicroPython. As the original manufacturer, GUITION offers direct access to our Field Application Engineering (FAE) team to help you integrate the 360x360 capacitive touch interface and the onboard audio circuits. We provide specialized GUI design tools and sample code to significantly reduce your HMI development cycle. By working directly with the manufacturer, you ensure that any firmware-level questions regarding the 1.8 inch knob display are resolved by the engineers who designed the hardware, eliminating communication gaps common with distributors.
4. Where is your manufacturing facility located, and can I conduct a factory audit?

Our primary manufacturing facility is located in Shenzhen, China, and we fully support both on-site physical audits and remote virtual inspections. We provide transparent access to our SMT production lines, dust-free LCD bonding rooms, and final assembly stations to verify our production authenticity and scale. For international clients, we can arrange live video walkthroughs and provide third-party audit reports (such as SGS or TUV) upon request. Seeing our CNC machining process for the gear-shaped enclosures firsthand will give you full confidence in our manufacturing precision. Contact us today to schedule a virtual tour or request our corporate capability profile.
5. What are the key factors to consider when evaluating a 1.8 inch knob display manufacturer?

Evaluating a supplier requires assessing their vertical integration capabilities, mechanical precision, and software support ecosystem. A reliable manufacturer must demonstrate the ability to synchronize the physical haptics of the rotary encoder with the digital UI refresh rate, ensuring latency remains below 50ms for a premium user experience. It is also critical to verify that the 1.8 inch knob display uses high-grade components, such as the ESP32-S3 chip and IPS panels, to ensure longevity and wide viewing angles. Finally, ensure the supplier possesses global certifications like FCC and CE, which are essential for entering regulated markets in the smart home and automotive sectors.

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