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Small square 1.3 inch IPS LCD HAT with 40 pin GPIO header

WaveShare

WaveShare 1.3inch LCD Display HAT for Raspberry Pi 240x240 SPI

SKU CH-BP0A-ZPX9J

A 1.3-inch IPS LCD HAT adds a 240x240 SPI display with 65K colours to Raspberry Pi boards via the 40-pin header

  • CPU TypeOther
  • 3inch IPS display adds a compact control screen to Raspberry Pi boards
  • 240×240 pixel resolution with 65K colours gives clear visual feedback
  • ST7789 embedded controller drives the panel over a standard SPI link
  • 40-pin GPIO header fits Pi 4B, 3B+, 3B, 2B, Zero and Zero W/WH
  • 3V LED backlight keeps power draw low for portable projects

Compact IPS Display HAT for Raspberry Pi

This WaveShare HAT adds a 1.3inch IPS LCD to any Raspberry Pi board with a 40PIN GPIO header. The screen resolves 240x240 pixels in 65K RGB colour and is driven by an embedded ST7789 controller over a 3.3V SPI link. Development examples for Raspberry Pi, Arduino and STM32 are included.

Steady SPI-driven refresh under load

Because the display communicates over the SPI bus, its update rate is bounded by the serial clock rather than by a burst-oriented parallel interface. The embedded controller handles pixel buffering, so the host can queue frames without stalling the CPU during sustained drawing operations. Backlight intensity remains constant as long as the 3.3V rail is stable.

SPI bandwidth and GPIO constraints

The SPI interface limits maximum frame throughput to the serial clock frequency the Pi can sustain, which in turn caps animation smoothness at this resolution. Only the 40PIN GPIO header is required, leaving other interfaces free, but the display occupies several GPIO lines that cannot be reused for other peripherals. No parallel or higher-speed serial option is provided on this HAT.

Highlights

  • 3inch IPS display adds a compact control screen to Raspberry Pi boards
  • 240×240 pixel resolution with 65K colours gives clear visual feedback
  • ST7789 embedded controller drives the panel over a standard SPI link
  • 40-pin GPIO header fits Pi 4B, 3B+, 3B, 2B, Zero and Zero W/WH
  • 3V LED backlight keeps power draw low for portable projects

Specifications

CPU TypeOther

Questions about this item

Does the 1.3 inch display draw noticeable power from the 3.3 V rail during all-day use?

It runs from the Pi's 3.3 V supply through the 40-pin header; the ST7789 controller and LED backlight are low-current, so continuous operation adds minimal load.

Which Raspberry Pi boards must I already own for the 40-pin HAT to connect?

The HAT fits the standard 40-pin GPIO header on Pi 4B, 3B+, 3B, 2B, Zero, Zero W and Zero WH models.

Will the SPI-driven 240x240 panel work alongside an older Pi 2B without software changes?

Yes — the same SPI pins and ST7789 driver are present on the 2B, so existing example code runs unchanged.

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