Muse gadgets / Guition JC3248W535 (3.5" touch)

Guition JC3248W535 (3.5" touch)
Screen and voiceOfficially supportedESP32 SDK

Guition JC3248W535 (3.5" touch)

Price unknown

Intermediate · extra stepsBack up the stock firmware first; push-to-talk also needs an I2S mic wired in.

ESP32-S3 with a 3.5" 320x480 IPS touch panel, 16 MB flash, 8 MB PSRAM and a speaker amp. Full Muse UI and images. It has no microphone: push-to-talk needs an I2S MEMS mic such as an INMP441 wired in. Sold as JC3248W535C_I_Y and JC3248W535EN. No seller price verified.

What it can do

  • Voiceno
  • Images · Coloryes
  • Touchscreenyes
  • Camerano
  • Air sensorsno
  • Home-network tunnelyes
  • Batteryno
  • Over-the-air updatesyes

Things to say to it

“Show my calendar for today on the screen.”“Show me the image you just found.”

What you need

  • 1 × Guition JC3248W535 (3.5" touch)Find
  • 1 × USB data cableFind
  • 1 × USB power adapter (5 V / 2 A or more) (optional)Find
Developer details · build command and SDK notes

Your coding agent runs this for you. The full sequence (token, flash, pair) is on the build page.

tools/muse/board.sh build jc3248w535

Limits

Good to know

  • The home-network tunnel lets Muse reach devices on your LAN that expose a local HTTP API. Treat it like giving the agent a foothold on your network.
  • Pairing has no manufacturer verification and can't prevent an active man-in-the-middle attack.
  • Builds are signed with the included development key and never enable Secure Boot. Enable NVS encryption (CONFIG_HOMEHUB_NVS_ENCRYPTION).
  • Custom ESP32 commands are not a documented API yet: the command set (display.draw_url, sensors.read, camera.capture, ...) is hardcoded in main/app.c.

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