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Small square LCD HAT for Raspberry Pi, 1.44inch, 128x128 pixels, green PCB with joystick and buttons

WaveShare

WaveShare 1.44inch LCD Display HAT 128x128 SPI 65K ST7735S

SKU CH-H02H-V3P36

A 1.44inch LCD HAT adds a 128x128 SPI display with 65K colours, joystick and three buttons to Raspberry Pi boards at 3.3V

  • CPU TypeOther
  • 44-inch 128×128 colour LCD adds a compact visual interface to your Pi
  • SPI bus and ST7735S controller let the display run from standard GPIO pins
  • 65K RGB colours give vivid graphics for dashboards or menus
  • Built-in 5-way joystick plus three push-buttons provide ready-made user input
  • 3 V operation matches Raspberry Pi logic levels for direct, hassle-free connection

Raspberry Pi HAT

This 1.44inch LCD display HAT connects directly to Raspberry Pi 2B, 3B, 3B+ and Zero boards through the standard GPIO header. It provides a 128x128 pixel RGB panel driven by an ST7735S controller over SPI. A built-in five-position joystick and three push buttons add basic input without extra wiring. The module runs from the Pi's 3.3V rail and includes an LED backlight.

SPI bus behaviour

The SPI interface transfers frame data at speeds limited by the Raspberry Pi's SPI clock, so full-screen updates take measurable time rather than appearing instant. The embedded controller handles pixel addressing locally, freeing the main CPU for other tasks during refresh cycles. Continuous animation or frequent redraws will consume a noticeable share of the SPI bandwidth available to other peripherals.

128x128 resolution

The fixed 128x128 pixel grid and 65K colour depth define the amount of visual information the panel can show, making it suitable for status readouts, simple menus or low-resolution graphics. Projects that need higher detail, larger text or full-colour photographs will find the resolution insufficient. No other display size or pixel count is offered by this HAT.

Highlights

  • 44-inch 128×128 colour LCD adds a compact visual interface to your Pi
  • SPI bus and ST7735S controller let the display run from standard GPIO pins
  • 65K RGB colours give vivid graphics for dashboards or menus
  • Built-in 5-way joystick plus three push-buttons provide ready-made user input
  • 3 V operation matches Raspberry Pi logic levels for direct, hassle-free connection

Specifications

CPU TypeOther

Questions about this item

How much heat or noise does the 1.44inch LCD HAT produce when running all day?

The HAT draws only 3.3 V through the Raspberry Pi GPIO and has no fan or moving parts, so it adds negligible heat and runs silently.

Which Raspberry Pi boards must I already own for this HAT to work?

It plugs directly onto any standard 40-pin Raspberry Pi — 2B, 3B, 3B+, Zero or Zero W — and uses the SPI pins for communication.

Will the 128x128 ST7735S display coexist with older Raspberry Pi models I keep in the same project?

Yes, the HAT is compatible with legacy boards such as the Pi 2B and original Zero, sharing the same 3.3 V supply and SPI bus without conflicts.

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