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Small round LCD touchscreen module with orange flex cable and gold contact pins

WaveShare

WaveShare 1.28inch Round Touch LCD Display 240×240 IPS 65K SPI I2C

SKU CH-YF8B-WJ5FQ

A 1.28 inch round IPS display with capacitive touch, 240×240 resolution and 65K colours, driven by GC9A01 and CST816S chips over SPI and I2C for 3.3V or 5V systems

  • CPU TypeOther
  • 28 inch round display fits compact builds
  • 240×240 IPS panel shows 65K colours clearly
  • Capacitive touch responds fast with high transmittance
  • SPI plus I2C interfaces use few IO pins
  • Works with Raspberry Pi Pico Arduino STM32 boards

Compact round touch display for embedded projects

This 1.28inch round LCD module combines a 240×240 IPS panel with a capacitive touch layer. The GC9A01 driver and CST816S touch controller deliver 65K colours through SPI and I2C interfaces. It targets developers adding a small interactive screen to Raspberry Pi Pico, Arduino or STM32 boards.

Fits low-pin-count microcontrollers via SPI and I2C

Four-wire SPI handles display data while I2C manages touch input, keeping GPIO usage minimal. The module operates at 3.3V or 5V, so it connects directly to common 32-bit development boards without level shifters. Online examples accelerate integration for Raspberry Pi Pico, Arduino and STM32 platforms.

Maintains stable output during continuous operation

The IPS panel provides consistent colour and viewing angles during extended use. Capacitive touch retains responsiveness over long sessions thanks to the CST816S controller. The compact round form factor suits always-on instruments, wearables and handheld devices that run for hours without interruption.

Highlights

  • 28 inch round display fits compact builds
  • 240×240 IPS panel shows 65K colours clearly
  • Capacitive touch responds fast with high transmittance
  • SPI plus I2C interfaces use few IO pins
  • Works with Raspberry Pi Pico Arduino STM32 boards

Specifications

CPU TypeOther

Questions about this item

Will the 240×240 IPS panel run continuously without overheating?

The module operates at 3.3 V or 5 V with the GC9A01 driver and CST816S touch controller, drawing very little current so heat stays negligible during all‑day use.

How audible is the display when it is running 24/7?

There are no moving parts or fans on the board, so the display is completely silent in continuous operation.

Which host boards and voltage level do I need to connect this display?

It works with Raspberry Pi, Pi Pico, Arduino or STM32 boards that provide a 3.3 V or 5 V supply and expose a 4‑wire SPI plus I2C interface.

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