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Recent content by Graham2107

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    Ethernet UTP with 3G failover

    Aflex... thank you for the reply. I am designing the entire project including the monitor. CAT5 or better will be the UTP side, a standard Ethernet UTP connection. The configuration of the monitoring system will also be my responsibility. My problem is using a Ethernet UTP TCP/IP device to...
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    Ethernet UTP with 3G failover

    I have to design a small monitoring system that is to send exception (alarm) data over Ethernet UTP. If this Ethernet UTP connection fails for any reason I must detect this and send the same data via a 2G/3G connection. Has anyone any idea as to where I might start with this project?
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    Sim900: using secure HTTP (https)

    SIMCOM are normally VVgood at answering emails. I know this as I am an agent for Otto Wireless the importers here in SA.
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    Sim900 coordinates and audio

    You don't seem to have a connection as the result of a bearer query should identify your IP address. The +CIPGSMLOC command works very well..
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    ICD2Clone problem - missing net names

    Missing net names Having had an ICD2 failure and finding the price of a new ICD2 or ICD3 from Microchip I have decided to try the ICD2Clone. I have downloaded the schematic but there seems to be some errors/missing information. For instance U3 (PIC1F4550) has a net name of "Mclr" on RE3 pin-1...
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    EAGLE layout library for MOC3021

    eagle lbr moc IntArt Well done for the MOC3021 library. It took me 30-minutes of searching to find it as I did not want to make a device if there was one available. Why don't you post it to the Eagle library upload ? Graham Durban

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