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Guition 4.3" JC4880P443 V3 (SKU 10150002-V3)

anthonyseccoSuggested this wish · —

The V3 revision of the Guition 4.3" P4 (SKU 10150002-V3) has production ESP32-P4 v3.x silicon. The current JC4880P443 profile doesn't boot on it: backlight on, black screen, no Wi-Fi or setup hotspot. The JC4880P443 page already notes this.

I have it working with a two-line override on top of the existing profile: engineering_sample: false, and the GT911 touch bus at 100 kHz. Display, touch, Wi-Fi and the Home Assistant connection all work. The details and the override are in the fields below.

Request: a "JC4880P443 V3" board option, as was done for the JC8012P4A1 V3, so V3 owners don't need the override. Related: wish #46 (the original JC4880P443, v1.x silicon), where V3 has come up in the comments.

Hardware testing

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Board details & configuration

Model: Guition JC4880P443 V3 (SKU 10150002-V3)
Chip, RAM and flash: ESP32-P4 production v3.x silicon (ROM esp32p4-eco7-20260109), PSRAM in hex mode at 200 MHz, 16 MB flash; ESP32-C6 for Wi-Fi over 4-bit SDIO
Display and touch: 4.3" 480x800 MIPI-DSI, ST7701 (2 lanes), ESPHome mipi_dsi model JC4880P443; GT911 touch on I2C SDA GPIO7 / SCL GPIO8 at 100 kHz; backlight PWM on GPIO23
Already tried: Tessera Screen Manager 0.4.89 (screens-v0.4.89), JC4880P443 profile, built in ESPHome 2026.9.1 and installed over USB. As the JC4880P443 page warns, the stock profile does not boot on V3: backlight on, black screen, no Wi-Fi or setup hotspot, and the P4's USB-Serial-JTAG port never comes up. engineering_sample: false on its own still gave a black screen. Adding the GT911 touch bus at 100 kHz, as in the manufacturer's V3 demo (P4_V3X_DEMO), made it boot. The display, touch, Wi-Fi and the Home Assistant connection all work now (screen firmware 0.57.0). Nothing else needed changing: the display model, C6 pins and 20 MHz SDIO link stay as they are, and ESPHome 2026.9.1 already auto-selects the DSI PHY clock that v3 needs. For reference, jtenniswood/espcontrol has a separate V3 profile for this board. Against its original-board profile, it differs in exactly these two points.
Configuration status: partial

Product details Configuration source

View shared configuration

# Override YAML on top of Tessera's JC4880P443 profile (screens-v0.4.89)
# V3 board (10150002-V3): production ESP32-P4 v3.x silicon
esp32:
  engineering_sample: false
# GT911 at 100 kHz, as in the manufacturer's V3 demo (P4_V3X_DEMO)
i2c:
  - id: !extend touch_bus
    frequency: 100kHz

Guition 4.3" JC4880P443 V3 (SKU 10150002-V3)

Hardware testing

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