ESP32 Matrix Flasher

Device Firmware Flashing

Use this tool to configure and flash your ESP32-based Adafruit Matrix Portal S3. Input your local Wi-Fi configuration details to bundle them directly into the firmware image, connect your device via USB-C, and flash it right from your browser.

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Tier 2 $7 USD

Tier 3 VIP $12/mo

SSID

Password

Device Security Token

Device Access Token

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Need help? Read the Sound Calibration and Setup Guide →

Unlimited Studio Sound Calibration

Real-Time WebGL Audio Visualizer

Unlimited Impulse Response (IR) Exports

Cloud Storage & Preset Sync

Real-Time Studio DSP Toolkit

Lifetime License & Future Updates

ESP32 Matrix Flasher

Device Firmware Flashing

Device Security Token

Set New Password

ESP32 Matrix Flasher

Device Firmware Flashing

document.write(str.title)

document.write(str.licenseHeader)

document.write(str.licenseTier2Title)

document.write(str.licenseTier3Title)

document.write(lang==="es"?"Controles de Conexión Bloqueados":"Device Connection Controls Locked")

document.write(str.wifiHeader)

document.write(str.modeLabel)

Device Security Token

document.write(str.serialHeader)

document.write(str.deviceVisualHeader)document.write(str.statusDisconnected)

document.write(str.consoleHeader)