This is a digital LCD Multimeter. It is easy for everyone to use it and it is an affordable technology for everyone. No previous knowledge is required. You can use the Multimeter in more places, such as factory, school lab, home hobby, machine repairing, etc.
Overload Protection
4-digit LCD display
Polarity indication
LOW BAT indicator
Transistor test
Audible Continuity Tester / diode and transistor test
IIC LCD1602 display module, a 2 line 16 character LCD module not only set the contrast control knob selector switch also has a backlight and IIC communication interface.
This is a 240x128 liquid crystal matrix dot display that support English characters and even graphics, very suitable for interactive work with Arduino.
The GPRS Shield is based on SIM900 module from SIMCOM and compatible with Arduino and its clones, it provides you a way to communicate using the GSM cell phone network.
Allows you to achieve SMS, MMS, GPRS and Audio via UART by sending AT commands
Quad-Band 850/900/1800/1900 MHz - would work on GSM networks in all countries across the world.