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Expansion Shield MEGA Sensor Shield V2 for MEGA 2560

Expansion Shield MEGA Sensor Shield V2 for MEGA 2560

The Arduino MEGA Sensor Shield V2 offers a significant increase in I/O pins compared to standard Arduino boards, featuring 54 digital pins and 16 analog pins. This shield provides dedicated connectors for external devices such as SD cards, Bluetooth modules, and more. It also includes the option to power all the "V" pins on digital I/O 3-pin groups from an external power supply instead of the Arduino’s +5V, which is ideal for powering large numbers of servos or other devices. The analog 3-pin groups continue to use the Arduino +5V for better noise immunity.

Package Includes:

  • 1 × Arduino MEGA Sensor Shield V2 Expansion Board

Expansion for Mega
30.45 AED 30.45 AED (Tax included)

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Power Supply Options:

  • Jumper ON: +5V power comes from the Arduino, limited to about 300 mA.
  • Jumper OFF: +5V power is supplied externally via the blue terminal strip. External power ground must also be connected to the terminal strip. This supports higher current for servos, relays, and other devices (commonly +5V or up to +6V if all devices are rated for it).

 

Dedicated Connectors (Top to Bottom, Left to Right):

  • ICSP: RST, D52/SCK, D50/MISO, GND, D51/MOSI, 5V
  • Bluetooth: 3V3, GND, D0/RX0, D1/TX0, GND, 5V
  • SD Card: D50/MISO, D52/SCK, D53/SS, D51/MOSI, 5V, GND
  • APC220 (Wireless): --, D19/RX1, D18/TX1, --, 5V, GND
  • URF01 (Ultrasonic): 5V, D48, D49, GND

MEGA Sensor Shield V2 expansion shield

Interfacing SD Card Module to MEGA Sensor Shield V2:

Learn how to connect an SD Card Module to the Arduino Mega via the Sensor Shield.

Mega Sensor Shield SD Header Pinout

Mega Sensor Shield, SD Card Header Corresponding Arduino Mega Pins
Pin 1 50 MOSI
Pin 2 52 SCK
Pin 3 53 CS / SDCS
Pin 4 51 MOSI
Pin 5 GND
Pin 6 5V

The 6-pin SD Card connector uses SPI communication. Using the MEGA Sensor Shield simplifies wiring and increases reliability. The Arduino Mega is preferred over the Uno for SD card interfacing due to its larger SRAM (8KB vs 2KB), which is necessary for buffering SD card data.

Interfacing SD card module to Mega Sensor Shield SD Connection successful

Troubleshooting:

  1. Close Serial Monitor, unplug USB, wait ~10 seconds (capacitors discharge).
  2. Plug back USB, reopen Serial Monitor, press reset button.