The STARTER SHIELD V2 with Arduino shield; GPIO manufactured by Seeed Studio is an expansion board for Arduino development boards that adds a variety of useful functions. It features an onboard LED, two buttons, voltage regulators (3V3, 5V, and 12V), two 12V DC-DC booster modules, and eight Grove connectors for external devices. This allows the user to directly interface various sensors and actuators without having to build custom circuits. Additionally, it features seven 4-pin connectors to supply power to a wide variety of devices. The board also supports 3-axis linear acceleration, real-time clock, and delta-sigma ADCs, and an on-board JTAG debugger. The STARTER SHIELD V2 is compatible with a variety of Arduino boards and is ideal for both beginner and advanced users.