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7V Rechargeable Li-Ion Battery
Weight : 40 gm
Arduino Mega 2560 R3 (latest Revision) Microcontroller Board is based on the Atmel ATmega2560 8-bit microcontroller (MCU)
it shrinks slightly
GSM-GPRS Arduino SIM900A Hall 7V Rechargeable Li-Ion BatteryIntroduction : GSM GPRS MODULE is an ultra compact and reliable wireless module. It is based on SIM900A 4 Frequency GPRS module. The GSM GPRS Shield is configured and controlled via its UART using simple AT commands. Module have two set power supply interface VCC5 5V power supply, VCC4 interface, 3. 5 4. 5V power supply, optional power on self starting (default) and control start. The MODULE allows you to achieve this via any of the three methods: