Mega WiFi R3 ATmega2560 ESP8266 (32Mb memory) Compatible with Arduino Mega NodeMCU WeMos ESP8266

The Mega WiFi R3 combines the power of an ATmega2560 Mega board with an ESP8266 WiFi module (32MB memory) on a single board. All modules can work together or independently, each with its own pinout headers.

KEY FEATURES:

• Dual processors: ATmega2560 + ESP8266 (32MB memory)

• Independent operation or cooperative mode

• Individual pinout headers for each module

• Upload sketches via USB to both processors

• Requires CH340 drivers

CONFIGURATION MODES (DIP Switch Settings):

| Mode | DIP 1 | DIP 2 | DIP 3 | DIP 4 | DIP 5 | DIP 6 | DIP 7 |

|------|-------|-------|-------|-------|-------|-------|-------|

| ATmega2560 ↔ ESP8266 | ON | ON | OFF | OFF | OFF | OFF | OFF |

| USB ↔ ATmega2560 | OFF | OFF | ON | ON | OFF | OFF | OFF |

| USB ↔ ESP8266 (Program) | OFF | OFF | OFF | OFF | ON | ON | ON |

| USB ↔ ESP8266 (Comm) | OFF | OFF | OFF | OFF | ON | ON | OFF |

| All Independent | OFF | OFF | OFF | OFF | OFF | OFF | OFF |

SPECIAL CONFIGURATION:

USB ↔ ATmega2560 ↔ ESP8266 via RXD3/TXD3:

• DIP: 1=ON, 2=ON, 3=ON, 4=ON, 5=OFF, 6=OFF, 7=OFF

TYPICAL APPLICATIONS:

• IoT projects requiring Mega I/O

• WiFi-enabled data loggers

• Web servers with extensive I/O

• Connected automation systems

PACKAGE INCLUDES:

• 1 x Mega WiFi R3 Board