Current sensor chips: ACS712ELC-20A; Power supply: 5V; The module can measure the positive and negative 20A corresponding to the analog output 100mV / A A product for Arduino that works with official Arduino boards.
This module is compatible w/ Arduino Shield interface; Use the on-board toggle switch to select the SD card type. Directly plug into the Arduino UNO motherboard Arduino MEGA 2560 or other motherboard to extend space of data storage; Easily reading / writing file via the file system(SD library of Arduino IDE); Widely used in digital phone albums sensor long time / high frequency adopting system text reader that needs large amount of data storage; Standard Arduino expansion board interface compatible with Arduino UNO Arduino MEGA2560 and Arduino compatible boards; On-board level conversion circuit namely the interface logic level can be 5V or 3.3V; Communication interface is standard SPI only support SPI mode; Supports SD card Micro SD card and SDHC card; 4.5~5.5 DC power supply
IO Expansion Shield Xbee Module Sensor Expansion Shield Development Board IIC SPI 3/4pin WIFI-LPT100 Module Interface
Model N/A Quantity 1 Color White + Blue Material FR4 Features Voltage: 12V; 4-channel design Application Ideal for control various household appliances Packing List 1 x Relay module