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4-inch 4848S040

EspControl on the 4-inch 4848S040: square home screen with temperature, clock, and control tiles

The Guition 4848S040 is a compact 4-inch square touchscreen powered by an ESP32-S3 processor. It's the most affordable panel EspControl supports, with a 480×480 display and room for 9 cards on the home screen.

Specifications

Screen size4 inches
Resolution480 × 480
OrientationSquare
Display interfaceMIPI RGB
ProcessorESP32-S3
WiFiBuilt-in (2.4 GHz)
PSRAMOctal, 80 MHz
TouchGT911 capacitive
PowerUSB-C

Some 4848S040C relay variants also include three built-in relays. EspControl exposes these as Built-in Relays in Home Assistant.

Card Grid

4848S040 card grid showing 9 configurable tiles

The home screen uses a 3-row x 3-column grid, giving you 9 card slots. Any home-screen card can be turned into a Subpage folder containing up to 8 more cards.

Flexible card sizes are supported: Single, Tall, Wide, and Large.

CapabilityValue
Screen4 inches, 480 x 480, Square
ProcessorESP32-S3
Built-in relays3 built-in relays
Rotation supportYes
Browser install slugguition-esp32-s3-4848s040
Ethernet optionNo

Install

Connect the display to your computer with a USB-C data cable, then click the button below.

Your browser does not support WebSerial. Use Chrome or Edge on desktop.

For a full walkthrough including WiFi setup and Home Assistant pairing, see the Install guide.

After flashing or OTA update

This panel uses MIPI RGB with octal PSRAM, which requires a brief hardware reset after flashing or OTA updates. The firmware handles this automatically with a short deep-sleep cycle — the display may flicker once before coming back up normally.

ESPHome Manual Setup

If you use ESPHome and prefer to compile firmware yourself:

yaml
substitutions:
  name: "bedside-screen"
  friendly_name: "Bedside Screen"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

packages:
  setup:
    url: https://github.com/jtenniswood/espcontrol/
    file: devices/guition-esp32-s3-4848s040/packages.yaml
    refresh: 1sec

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