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The threshold level for digital output can be easily adjusted using the preset on the board
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regardless of input voltage fluctuations
Plugin IR_Temper Sensor => Combotool change to be a temperature meter
SIM900A GSM-GPRS Modem Current/Voltage The threshold level for digitalSIM900A GSM GPRS Modem The SIM900A GSM GPRS Modem is a small, low cost, and easy to use module that provides GPRS GSM communication with the use of a mobile SIM card. It operates on frequencies 900 and 1800MHz and allows users to receive send mobile calls and SMS. The module also has a keypad and display interface, which allows developers to create custom applications. Features: Dual band 900 1800 MHz GPRS multi slot class 10 8 GPRS mobile station