Modul ini sangat cocok dihubungkan ke Arduino atau minsys sejenisnya dengan komunkasi I2C, sangat cocok untuk robotika, smart car, quadcopter, dsj. A Digital Compass is a simple magnetometer that is used to calculate the strength of magnetic fields and calculate the direction. Spesifikasi: Product Name: Electronic Compass Module Core: GY-271 Power Supply: 3V - 5V (Built In 3v3 LDO) PCB Board Size: 1.5cm x 1.3cm(L * W) Hole Size: 1mm Hole Center Distance: 2.5mm Visit Tokoduino dot com Measuring range: 1.3-8 Gauss Communication modes: Standard IIC communication protocol. IO TTL level is compatible with 5V (Built in TTL level converter)