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🔍 System Check

Before we begin, let's verify your browser supports Web Serial API for direct USB communication.

Make sure you have ready:

  • TwinWave module
  • USB-UART adapter (CP2102, CH340, FT232)
  • 4 jumper wires

🔌 Wiring Connection

Connect your USB-UART adapter to the 10-pin header on the bottom side of TwinWave PCB.

Adapter 3V3 → Pin 1 (3V3)
Adapter GND → Pin 3 (GND)
Adapter TXD → Pin 5 (RX)
Adapter RXD → Pin 6 (TX)

⚠️ Use only 3.3V! Using 5V will damage the ESP32.

⚡ Enter Boot Mode

Put the ESP32 into download mode to allow firmware flashing.

  1. Press and HOLD the BOOT button
  2. While holding BOOT, press and release RESET
  3. Release the BOOT button

The device is now in download mode and ready for flashing.

🚀 Flash Firmware

◯ Waiting for connection...

✓ Firmware will be downloaded automatically: Marauder v1.10.2

> TwinWave Web Flasher initialized > Waiting for serial connection...