Round colour LCD for watch faces, gauges and knobs – 4-wire SPI, 3.3–5 V
Round displays make a project look finished: a smartwatch face, an analogue-style gauge, a rotary-knob readout. This module has a 32.4 mm active circle with 240 × 240 pixels and the GC9A01 driver, which every major display library already supports. The SPI interface needs only five signal lines and runs at high clock rates, so full-screen animations are smooth on an ESP32 or RP2040. Supply 3.3–5 V. Board 38 × 45.5 mm, 11.5 mm thick with the connector. Pin header included, not soldered.
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