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Step 2You need these items
The picture shows some of the component you will need. You will need more. Please leave a note if I forgot something. Unfortunately, this instructable is constructed after the fact so I do not have all the pictures I would like.
* Arduino (or similar) with a Atmel '328 and a USB connection (the Duemilanove is perfect)
* 12v wall wart (say 250 mA, depends on the number of relays you will be driving)
* 9V battery, holder, and connector
* LED's (one green, two red/green)
* diodes
* resistors
* relays (one for each bell zone, and one or more for the synchronization signal)
* LCD (standard 2x20 character HD44780-compatible display)
* suitable enclosures (large, medium, and small project boxes)
* plug and jack for power (5.5/2.1 mm for example)
* various screws and miscellaneous hardware
Computer with
* Arduino IDE installed (with the libraries needed, see step 5)
* the Java-based Master Clock Control program (and a Java runtime environment, and the rxtx library)
* USB port available
* USB cable for connecting to the Arduino
* time set to something reasonable
* Arduino (or similar) with a Atmel '328 and a USB connection (the Duemilanove is perfect)
* 12v wall wart (say 250 mA, depends on the number of relays you will be driving)
* 9V battery, holder, and connector
* LED's (one green, two red/green)
* diodes
* resistors
* relays (one for each bell zone, and one or more for the synchronization signal)
* LCD (standard 2x20 character HD44780-compatible display)
* suitable enclosures (large, medium, and small project boxes)
* plug and jack for power (5.5/2.1 mm for example)
* various screws and miscellaneous hardware
Computer with
* Arduino IDE installed (with the libraries needed, see step 5)
* the Java-based Master Clock Control program (and a Java runtime environment, and the rxtx library)
* USB port available
* USB cable for connecting to the Arduino
* time set to something reasonable
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