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There are four types of AT command operations:

• Test operation. A test operation is used to check whether a certain AT command is supported by the GSM/GPRS modem or mobile phone.

• Set operation. A set operation is used to change the settings used by the GSM/GPRS modem or mobile phone for certain tasks.

• Read operation. A read operation is used to retrieve the current settings used by the GSM/GPRS modem or mobile phone for certain tasks.

• Execution operation. An execution operation is used to perform an action or retrieve information/status about the GSM/GPRS modem or mobile phone.

• The command syntax for performing an operation will be described in detail in the following sections.

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Robotika

(Disain, Kontrol, dan Kecerdasan Buatan)

Di dalam buku robotika: Disain, Kontrol dan kecerdasan buatan ini Anda akan menjumpai bahasan-bahasan meliputi:

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One problem of SMS messaging is that SMSCs developed by different companies use their own communication protocol and most of these protocols are proprietary. For example, Nokia has an SMSC protocol called CIMD whereas another SMSC vendor, CMG, has an SMSC protocol called EMI. We cannot connect two SMSCs if they do not support a common SMSC protocol.

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Interface to a GPS

By Michael Simpson

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Algoritma Genetika (AG) merupakan salah satu teknik komputasi yang sangat sesuai untuk permasalahan dengan ruang solusi yang sangat besar.

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