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Built-in protection diodes
Data Acquisition Systems
with a long service life and reliable stability
It is the most popular of all AVR controllers as it is used in ARDUINO boards
Output : 5V
GSM-GPRS Arduino SIM900 Rocker Switch (On/Off) Built-in protection diodesIntroduction : GSM GPRS MODULE is an ultra compact and reliable wireless module. It is based on SIM900 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:
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