SIM900A 1800/1900 MHz Wireless Extension Module GSM GPRS Board Soldered:Without Soldered Pin SCL (I2C clock)

SCL (I2C clock)

Rated Voltage: 9V

As many as possible include most of the chip IC package formats: TQFP48

The LX1972 is a low cost silicon light sensor with spectral response that closely emulates the human eye

use these terminal blocks whenever making PCB-to-Wire connections

SIM900A 1800/1900 MHz Wireless Extension Module GSM GPRS Board Soldered:Without Soldered Pin SCL (I2C clock)Features: On board two power supply interface VCC5 5 V VCC4 interface 3. 5 power supply. 4. 5 V optional power supply of envelope that (default) and control to start On board SMA (default) and IPXmini antenna interface SIM900A reserved interface reset? The size of the module is 49 * 50, all the new and original device. The computer can provide the power supply of the USB debugging module of the computer, A large amount of data under the recommended