Firmware Version: V1.11.0

ESP32 Marauder WiFi & Bluetooth Network Monitor Equipped with 2.8-inch touch screen and real-time RSSI signal strength display, based on ESP32-WROOM-32E development board, paired with ST7789 display driver chip

Screen Operation Instructions:

  • Tap once on the top of the screen to move up one option.
  • Tap once on the bottom of the screen to move down one option.
  • Tap the middle of the screen to confirm.
✅ Built-in WiFi & Bluetooth antennas: Supports WiFi 802.11b/g/n and Bluetooth Low Energy (BLE) connections, no external antenna needed ✅ 2.8-inch smart touch screen: 240×320 high-definition resolution, intuitive and convenient touch menu operation ✅ Real-time RSSI signal strength display: Clearly visualizes network signal strength for more accurate monitoring ✅ MicroSD card slot: Supports external data storage (MicroSD card not included as standard; advanced functions require it) ✅ Transparent acrylic case: Pre-assembled, allowing direct viewing of the internal PCB and circuit operation status ✅ Power supply specification: 5V power supply; power monitoring range: 5–20V/0–6A ✅ USB-C interface: Stable power supply and data transmission supported (Type-C data cable included) ✅ Portable design: Compact and lightweight, suitable for both indoor and outdoor scenarios Complete Specifications Model: CYD Marauder 2432R028 (Upgraded Version) Main control chip: ESP32-WROOM-32E Display: 2.8-inch 240×320 smart touch screen Wireless protocols: WiFi 802.11b/g/n, Bluetooth Low Energy (BLE) Built-in memory: 520KB Static Random Access Memory (SRAM) Device control: Serial port + touch dual mode Operating temperature: -20℃ ~ 70℃ Material: PCB circuit board + high-strength acrylic Color: Subject to the actual product Positioning function: Not supported (no GNSS module, NMEA data stream not supported) Packaging List 1 × ESP32 Marauder development board (with pre-installed acrylic case) 1 × Type-C data cable 1 × PP eco-friendly packaging box This product is only an ESP32 Marauder device and is NOT an NMMiner. If you need to flash it to the NMMiner system, a separate authorization purchase is required (compatible device: esp32-2432s028r-st7789). Some advanced functions require a MicroSD card (the card is not included as standard).