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Recent content by kleintoren

  1. K

    CID (Contact ID) Connection integration on transmitter

    Sorry for the delay in relying - after months of only having iffy GPRS we have moved away from the farm to town where ADSL is available Contact ID is basically DTMF communication with the base unit - Handshake - Message blocks - Acknowledgements...
  2. K

    [SOLVED] UPS charging circuit on bigger battery

    Awesome. Thank you for the info - will look into getting deep cycle battery, and start building the charger - - - Updated - - - Got a Willard 722 - leisure battery lead acid, wet cell - Made for solar use - how far can I cycle this type of battery, 50% be ok? On the UPS can I remove the...
  3. K

    [SOLVED] UPS charging circuit on bigger battery

    Hi I am running a 12v UPS that used to have a 12v 7Ah battery of a car battery - can I use the charging circuit on the ups to charge the car battery or should I use a separate charger?
  4. K

    CID (Contact ID) Connection integration on transmitter

    Hi I am reasonably new to electronics but have been able to design and build a few complex projects and learning fast. I have recently designed and built a 15W RF FSK transmitter for alarm transmission with 9 programmable contacts. I would like to get advice on integrating CID interface...

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