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1.2. Digital Display Secondary This display shows the time and the date month day year It is a multi line multi character display The date is the top string and the time is the bottom 5 Notification LEDs These LEDs located next to the digital dis play show if a certain function is on They represent AM PM indication alarm set and battery back up accordingly 6 Binary Display Time LEDs yo These LEDs display the time in 12 or 4 5 24 hour format This is user settable Example one second after noon Functionality of Parts T Backup Battery This is a 9V battery that turns on when 1 Push buttons the AC power is not supplied i up down time alarm The push buttons are used to adjust the time or alarm in either the up or down direction 8 Power Cord A standard power cord to power the clock through a 120V AC wall outlet Sunday Monday 2 Binary Display Day of Week LEDs These three LEDs display the day of the week in binary Sunday being the first day of the week 9 Alarm Sound Friday Saturday This is the location of the settable alarm Se sound 10 Toggle Switches The switches allow the user to switch on and off functions On the back in order from left to right the LCD screen hour format DST and alarm can be toggled 3 Binary Display Date LEDs These LEDs display the date in month day year format This display is not user settable Example 12 31 06
3. like the date from left to right hours minutes seconds A diagram of the LED binary values is to the right The columns in the gray are summed together when calculating the time and a zero means the LED is off Also shown is an example and the dia gram is shown on page 7 Digital LCD Screen This is the secondary display for the clock This is a two line multi character display It shows the date on the first line colons sepa rating the month day and year The time is the second line colons separating the hour minutes and seconds The digital display also has the ability to be turned off by the user if Reading the Displays There are two displays for the Geek Clock The primary display is bi nary format utilizing LEDs The secondary display is a digital display meant for people to learn to use binary The instructions on how to read each display are listed in this section Binary LEDs The primary display for the clock is in binary format This display con tains three parts the day of the week date and time all in LEDs This display will go out while the battery is running on battery backup This display will also hold its position when the clock is being set 1 Day of the week This is represented with 3 LEDS The LEDs from left to right repre sents the position placement in binary of 2 2 2 The table be low shows the calculation of the binary corresponding to the nu merical value for the da
4. quicker setting push and hold down on the up or down button and it will cycle faster Release to slow it down Once you have the alarm set to the desired time release the alarm button If the alarm was set properly the second notification LED by the digital display will be on Make sure to set the correct time depending on your hour time format When the alarm is going off hitting any button will snooze the alarm for 10 minutes To turn off the alarm the alarm switch in the back must be turned off Setting the Time Useful Definitions To set the clock the same directions should be followed as setting the alarm but instead of pushing the alarm button push the clock button located on top of the clock This will hold the LEDs to their current state until the clock button is released Thus the digital screen should be used while setting the clock If you move toa separate time zone you must update your clock on your own Setting a Time Format The Geek clock has two different time formats that it can be dis played in 24 hour or 12 hour format To change between the two different settings simply toggle the time format switch located on the back left of the clock AC DC rectifier an electronic device that converts alternating current to direct current Binary a number system using a base of 2 consisting of on off high low or ones and zeros used by almost all computer systems Daylight saving time DST th
5. the digital readout of the binary This clock can also be used as a standard alarm clock as well It will sound at a designated time by the intended user Intended Users The intended user s are those who know binary code and fit the geek persona It can also be used by those who would like to learn binary through a practical application This should not be used by children due to certain dangers such as small parts and electrical components Operating Environment The operating environment is limited to indoor places The environment should be able to supply the appropriate power needed through a regular wall outlet It should not be used in areas that contain a lot of moisture such as the bathroom or pool room for danger of electrical parts lt should not be in an area that it could potentially be dropped in a sink such as a kitchen or laundry room It should be limited to places such as bedrooms home offices and in the work office 2 Date The date is represented with the green LEDs on the left side of the front cover This reads in 6 columns from left to right month day year A diagram of the LED binary values is to the right The columns in the gray are summed together when calculating the date and a zero means the LED is off Also shown is an example and the diagram is shown on page 6 3 Time The time is represented with the red LEDs on the right side of the front cover This reads in 6 columns
6. Resources Senior Design lowa State University John Lamont Ralph Patterson Digi key Contact Information Geek Clock User Manual lowa State University Senior Design Care of John Lamont and Ralph Patterson 324 Town Engineering Ames IA 50011 Phone 515 294 3600 Faxi 515 294 6760 Email jwlamont iastate edu repiii iastate edu Binary Alarm Clock User Manual othe Ye lowa State University College of Engineering Ci SCliEsNCE with PRACTICE o ail al Department of Computer and HS Electrical Engineering Koy AO aor men Ya A Senior Design Dec06 04 anp T Table of Contents Replacing Parts Useful Definitions Intended Uses Intended Users Operating Environment Powering the clock Binary Example Clock Lay out Functionality Reading the Displays Setting and Using the Alarms Setting the Time Setting a Time Format Replacing Parts Ordering Replacement Parts Frequent Asked Questions Resources Contact Information 10 10 10 11 11 11 12 12 Due to the construction of the Geek Clock parts can not be easily replaced by the consumer Only the 9V battery can be replaced by the user This is located on the back of the clock as shown on page 7 of this document If a part malfunctions and needs to be replaced please send the Geek Clock back to the manufacturer where it can be properly fixed Ordering Replacement Parts For the tru
7. e geeks that feel they can fix malfunctioned parts them selves replacement parts are available Replacement parts for the clock can be ordered through Digi Key at www digikey com To get the parts list please send your name proof of purchase and parts to be replaced to lowa State University Senior Design Care of John Lamont and Ralph Patterson 324 Town Engineering Ames IA 50011 Frequently Asked Questions Q Will my alarm go off if the power is out A Yes as long as the backup battery is still functioning Q Can shut off the digital display A Yes but only if you are a true geek Q Can shut off the LED display A No the LED display is only off during battery backup The LED is to help teach binary Q How do know if the battery is set A If the battery is set properly then the second notification LED will be on Setting and Using the Alarm The alarm can be set by following these simple instructions In order to set the alarm the alarm switch on the right back side of the clock must be flipped to the on position Then press the red alarm button located most right on top of the clock The current alarm time will appear on the digital display Use this display to read the time when setting the alarm While pressing the alarm button push the up or down buttons to adjust the desired time These are located to the left of the alarm button The up and down buttons cycle through time in minutes For a
8. e time is which clocks are set exactly one hour ahead of standard time in order to provide more daylight during late spring summer and fall Fourteen possible calendar years There are only fourteen possible calendar years supported that include all of the leap years and DST Geek slang a term to describe a person with good computer Skills an interest in technology and firm knowledge of the sci ences uSually accompanied with an almost complete social inep titude Light emitting diodes LED a type of diode that emits light when it is subjected to a flow of current LEDs may have different colors depending on the material used Liquid crystal displays LCD two thin sheets of plastic filled with individual cells of ionic liquid crystal capable of being manipu lated by a current Twelve hour format the standard hourly display of analog and digital clocks which a separate indication for AM or PM e g 12 34 pm Twenty four hour format a k a military time universal time the hourly display of clocks without a separate indication for AM or PM that increments hours upon reaching noon based on 24 hours e g 23 45 equals 11 45 pm Intended Uses This object is a clock meant to display time primarily in binary with LED s It provides other functionalities that are closely associated with a geek personality lt is also intended to help individuals learn binary by using the sec ondary display of
9. y of the week The 1 in binary represents a lit up LED Figures of the day of the week are shown on page 6 Friday e Jama wt ft Powering the clock The clock should be powered from a standard American wall out let A surge protector power strip should be utilized to protect the device from power surges from the AC adapter The clock also contains a 9V battery for back up power if there is no power coming from the outlet This should run for approxi mately six hours If the alarm is set and a power failure occurs the back up battery will still sound the alarm at the designated time While running on back up the main display is shut down to con serve the battery The battery indicator and digital display will be the only objects getting power from the battery Binary Example Binary is a number system using a base 2 to count Any integer can be represented using this system Binary is a string of 1 s and O s representing an on or off state for that position placement If the position is at a O then it will not be counted into the numerical value If it is a 1 then 2 for the nth position is summed with other positions that have 1 s to get the final numerical value An exam ple is shown below aguo ao aa gl ga O0 0t0U 0 0 0 0 0 0 0 11111 J5 97 g3 92 91 90 954 oy 4 9249 1490 2 16 89 44 2 1 63 01010 2 oe oe ole 2404274042440 2 0 8 0 2 0 42 010101 Pr eae DED aT 16 0 4 0 1 21 Clock layout 4
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