Hotdisplay Technology Co., Ltd
To support diverse embedded engineering requirements, Hotdisplay manufactures three primary hardware configurations for our 1.3-inch round display series:
Raw TFT Display Panels (No Driver Board): Model TFT-H013A6QQIGC5N10 features a 10-pin FPC soft cable interface. This ultra-thin (1.6mm profile) panel connects directly to a customer’s mainboard via standard SPI serial protocols, making it ideal for high-volume, cost-sensitive, and space-restricted electronics.
Smart UART Serial Port Modules (Zero-Code EzUI Series): Model HTM-H013A6-UART-A02 comes integrated with an onboard EzUI control driver board. Communicating over a simple 4-pin UART/RS232 interface, it supports code-free GUI development using the EzUITool software, bypassing low-level microcontroller programming entirely.
All-in-One IoT Development Modules (Knob Display Kits): Model ESP32-C3-DEMO-SPI03 combines the 1.3-inch circular display with a powerful RISC-V 32-bit single-core processor development board. Featuring integrated 2.4GHz Wi-Fi, Bluetooth BLE 5.0, and an onboard EC35 hollow rotary encoder, it functions as an intelligent, press-switch rotary knob module.
Fluid Round Aesthetics: True circular layout eliminates black dead zones at corners, natively fitting round industrial bezels and modern device profiles.
Sunlight-Readable Performance: Offers a powerful backlight configuration up to 500 cd/m² (nits), ensuring critical tracking metrics remain clearly visible outdoors or under bright overhead lighting.
Advanced Ruggedization: Built-in industrial-grade 8KV anti-static (ESD) circuit protection ensures high reliability and survival rates upon physical contact in dry operating environments.
Cross-Platform Firmware Compatibility: Engineered for immediate prototyping across premium developer ecosystems, offering seamless compatibility with C8051, STM32, Arduino, Raspberry Pi, and the LVGL graphics library.
Robust Thermal Performance: Operates reliably across a standard industrial ambient temperature spectrum of -20°C to +70°C.
Strict Environmental Compliance: Fully RoHS compliant, meeting international safety and environmental standards for global commercial export.
IPS Circular Screen Panel: Provides a 1,000:1 contrast ratio with true 80/80/80/80 degree full viewing angles and deep black levels when pixels are turned off.
GC9A01 Controller IC: The industry-standard micro-display driver that optimizes frame refresh rates and optimizes power management under a low 3.3V supply voltage.
EMI-Shielded FPC Soft Cable: Available in unique lengths (such as an extended 47.5mm line) featuring integrated electromagnetic interference shielding to preserve signal integrity.
Integrated Onboard Encoder (Demo Kits): An EC35 hollow encoder providing precise mechanical detents and physical press-switch feedback for tactical menu selection.
Wireless Main Controller (Demo Kits): A high-speed 160MHz ESP32-C3 processing core supporting stable IoT wireless bridging and real-time cloud data rendering.
Hotdisplay provides full OEM/ODM hardware customization to resolve strict physical and structural design bottlenecks:
FPC Cable Modifications: Tailoring of the flexible printed circuit length (e.g., swapping between standard and long-cable versions like the TFT-H013A6QQIGC7N10) and pinout configuration.
Interface Overhaul: Swapping from a resource-saving 4-wire SPI interface over to a high-bandwidth 16-pin MIPI interface (TFT-H013A1HQIST3N16) for ultra-smooth video playback.
Touch Screen Lamination: Integration of premium custom-engineered projected capacitive touch panels (CTP) supporting wet-finger or gloved input variables.
Optical Optimization: Upgrading or downscaling backlight arrays to perfectly hit target power-consumption budgets versus high-nit visibility goals.
When submitting an RFQ or confirming an order with Hotdisplay, procurement teams must verify these technical parameters to ensure absolute compatibility:
Driver Board Dependency: Determine if your engineering team requires a raw 10-pin SPI panel to integrate into an existing PCB layout, or a plug-and-play UART module to accelerate production schedules without coding low-level display drivers.
Cable Clearance and Length: Review your internal enclosure routing and specify whether your assembly requires the standard 47.5mm extended cable variant or a shortened version to avoid pinching in tight watch housings.
Interface Resource Budgeting: Verify if your host microcontroller supports a 4-wire SPI connection, a 16-pin MIPI DSI interface, or a basic 4-pin UART serial interface.
Haptic & Interactive Feedback Needs: Determine if your display interface is purely output-only, requires a capacitive touch surface, or requires an integrated mechanical rotary encoder knob setup for physical rotational control.
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