UUGear Witty Pi User Manual

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Witty Pi

Realtime Clock and Power Management for Raspberry Pi

User Manual

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What!is!Witty!Pi?!

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What!is!in!the!Package?!

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Witty!Pi!Specifications!

Dimension:! !

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Weight!

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Realtime!Clock!Chip!

RC.DDO!d93*34)22*`!

LED!Indicator!

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Software!Installation!

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Software!Usage!

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1.! Write!system!time!to!RTC!

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pi@raspberrypi ~/wittyPi $ sudo ./wittyPi.sh

================================================================================

| |

| Witty Pi - Realtime Clock + Power Management for Raspberry Pi |

| |

| < Version 2.16 > by UUGear s.r.o. |

| |

================================================================================

>>> Your system time is: Sun 01 Nov 2015 16:51:29 CET

>>> Your RTC time is: Sun 01 Nov 2015 16:51:29 CET

Now you can:

1. Write system time to RTC

2. Write RTC time to system

3. Set time for auto startup

4. Set time for auto shutdown

5. Choose schedule script

6. Reset data...

7. Exit

What do you want to do? (1~7)

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2.! Write!RTC!time!to!system!

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3.! Set!time!fo r !a u to !s ta rt u p!

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4.! Set!time!for!auto!shutdown!

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5.! Choose!Schedule!Script!

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!!!!!!!!!!!!

..!

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pi@raspberrypi ~/wittyPi $ sudo ./wittyPi.sh

================================================================================

| |

| Witty Pi - Realtime Clock + Power Management for Raspberry Pi |

| |

| < Version 2.16> by UUGear s.r.o. |

| |

================================================================================

>>> Your system time is: Sun 01 Nov 2015 16:51:29 CET

>>> Your RTC time is: Sun 01 Nov 2015 16:51:29 CET

Now you can:

1. Write system time to RTC

2. Write RTC time to system

3. Set time for auto startup

4. Set time for auto shutdown

5. Choose schedule script

6. Reset data...

7. Exit

What do you want to do? (1~7) 5

I can see 5 schedule scripts in the "schedules" directory:

[1] 7:00_on_7:30_off_21:00_on_21:30_off.wpi

[2] on_10m_every_2h.wpi

[3] on_1h_every_2d.wpi

[4] on_30m_everyday_but_weekend.wpi

[5] on_5m_every_20m.wpi

Which schedule script do you want to use? (1~5)

!!!!!!!!!!!!

.,!

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)#I&45! !

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Remarks:!'<!%#I!I42!3!4A)29I72!4A&'$ *X!$723 42 !M3B2!4I&2!*#!72*!>'**%!?'!*#!4)I*9#E=!

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%#I&!>'**%!?'!'<!*)3*!)3$$2=45!

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6.! Reset!Data…!

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T=A2!%#I!4272A*!*)'4!#$*'#=X!*)2!4#<*E3&2!E'77!9'4$73%!3!4I;!M2=IX!E)'A)!377#E4!%#I!*#Y!

!! "723&!3I*#!4*3&*I$!*'M2Y!

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!! "723&!3I*#!4)I*9#E=!*'M2Y!

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!! C*#$!I4'=(!4A)29I72!4A&'$*Y!

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:)2!<'(I&2!;27#E!4)#E4!*) 2 4 2 !4 I ; !M 2 = I !# $ *'# = 4 5!

!!!!!!!!!!!!

.D!

7.! Exit!

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Making!Schedule!Script!

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pi@raspberrypi ~/wittyPi $ sudo ./wittyPi.sh

================================================================================

| |

| Witty Pi - Realtime Clock + Power Management for Raspberry A+, B+ and 2 |

| |

| < Version 2.16> by UUGear s.r.o. |

| |

================================================================================

>>> Your system time is: Sun 01 Nov 2015 16:51:29 CET

>>> Your RTC time is: Sun 01 Nov 2015 16:51:29 CET

Now you can:

1. Write system time to RTC

2. Write RTC time to system

3. Set time for auto startup

4. Set time for auto shutdown

5. Choose schedule script

6. Reset data...

7. Exit

What do you want to do? (1~7) 6

Here you can reset some data:

[1] Clear auto startup time

[2] Clear auto shutdown time

[3] Stop using schedule script

[4] Perform all actions above

Which action to perform? (1~4)

!!!!!!!!!!!!

.G!

3I*#M3*'A377%5!

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4)#I79!92<'=2!3*!7234*!#=2!UT]V!3=9!#=2!UTQQV!4*3*24!'=!*)2!7##$5!04I377%!*)2!T]!3=9! TQQ!4*3*24!3&2!I429!'=!$3'&5!

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#"Turn"on"Raspberry"Pi"for"5"minutes,"in"every"20"minutes"

\e1F]! ,-.ac-Kc-.!--Y--Y--!

e]R! ,-,ac-OcD.!,DYaSYaS!

T]! !!! Ha! ! #"keep"ON"state"for"5"minutes"

TQQ! H.a! #"keep"OFF"state"for"15"minutes"

!!!!!!!!!!!!

.a!

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!! R!s!R3%4!dR,!M23=4!,!93%4`!

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!! HsH'=I*24!dH.a!M23=4!.a!M'=I*24`!

!! CsC2A#=94!dCD-!M23=4!D-!42A#=94`!

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ON! ! H1! !M30!

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OFF! D2!

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Advanced!Usage:! !

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! !

!!!!!!!!!!!!

./!

Hardware!Configuration!

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!!!!!!!!!!!!

.O!

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)**$Y[[EEE5II(23&5A#M[$#&*<#7'#[A)3=(2c*)2c$'=c*)3*cI429c;%cE'**%c$'[!

Software!Customization!

F<!Z#I!7'B2!$&#(&3MM'=(X!%#I!A#I79!AI4*#M'N2!#&!282=!E&'*2!%#I&!#E=!4#<*E3&2!<#&! >'**%!?'5!:)2!4#<*E3&2!<&#M!I4!'4!3!(##9!2W3M$72!*#!4*3&*!723&='=(!)#E!*#!E&'*2! $&#(&3M!<#&!>'**%!?'5!>2!;27'282!*)2 !M # 4 *!'= *2 &2 4 *'= ( !$ 3 &*!'4!*# !$ &# ( & 3 M !*) 2 !J:" !A ) '$ ! 3=9!M3B2!9'<<2&2=*!42*I$4!#<!373&M4!*#!4A)29I72!*)2!?'k4!4*3&*I$[4)I*9#E=5!>2!E'77! B22$!E&'*'=(!*I*#&'374!<#&!*)'4!$3&*X!3=9!I$93*2!*)2!2W3M$724!'=!*)'4!M3=I375!H23=E)'72! %#I!A#I79!374#!A)2AB#I*!*)2!93*34)22*!<#&!RC.DDO!A)'$X!3=9!'*4!U6P6JHCV!42A*'#=! )34!*)2!'=<#&M3*'#=!*)3*!=22929!<#&!$&#(&3MM'=(!*)2!373&M45!

:)2&2!'4!3=#*)2&!A)#'A2X!E)'A)!E2!*)'=B!'4!282=!;2**2&5!:)3*!'4!*#!I42!*)2!4A)29I72!

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! !

!!!!!!!!!!!!

.K!

Witty!Pi!Log! Files!

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schedule.log!3=9!wittyPi.log5!

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Witty!Pi!gets!Dead!Locked?!

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the!latest!software!d82&4'#= !,5./ !#&!) '() 2&`X!E )'A )!) 34 ! *3 B 2 = !A 3 &2 !# <!*) '4!4 '*I 3 *'# = 5! ! !

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'=!3!E3%!*)3*!E'*)#I*!$I77'=(!9#E=!*)2!1?FTcG!$'=X!4IA)!34!9'4A#==2A*'=(!$#E2&! 4I$$7%!9'&2A*7%X!#&!A377'=(!U4I9#!4)I*9#E=!w)!=#EV!A#MM3=9!;%!*)2!I42&5!C'=A2! *)2!1?FTcG!$'=!'4!=#*!$I7729!9#E=X!>'**%!?'k4!932M#=!'4!=#*!3E3&2!#<!*)2!

4)I*9#E=X!3=9!)2=A2!'*!E'77!=#*!9'43;72!*)2!3I*#!4)I*9#E=!373&M!;2<#&2!AI**'=(! *)2!$#E2&5!>)2=!*)2!4)I*9#E=!373&M!(2*4!3A*'83*29!E)'72!>'**%!?'!3=9!J34$;2&&%! ?'!3&2!=#*!$#E2&29X!>'**%!?'k4!4#<*E3&2!9#24=k*!)382!3!A)3=A2!*#!A723&!*)2!373&M! 4*3*2X!3=9!*)3*!2^I374!*#!7#=(!)#79!*)2!;I**#=!E'*)#I*!&27234'=(!'*X!E)'A)!$&282=*4! %#I&!J34$;2&&%!?'!*#!(2*!$#E2&29!#=!3(3'=5!

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A#==2A*295!

F<!%#I!E3=*!*#!4)I*9# E=!%#I&!J34$;2&&%!?'!M3=I377%X!$72342!tap!the!button!#=!>'**%! ?'5!F<!%#I!E3=*!*#!4)I*9#E=!J34$;2&&%!?'!'=!%#I&!#E=!4A&'$*X!%#I!A3=!A377!Ugpio!mode!

7!outV!d1?FTcG!$'=!'4!$'=!O!'=!*)2!E'&'=(?'`5!

Witty!Pi!Imm ediately!Shutdown! after!Startup?!

C#M2!AI4*#M2&4!M22*!*)2!4'*I3*'#=!*)3*!3<*2&!'=4*377'=(!*)2!4#<*E3&2!3=9!&2;##*X!>'**%! ?'!'MM29'3*27%!4)I*9#E=!J34$;2&&%!?'!3<*2&!4IAA244<I77%!;##*X!E'*)!#&!E '*) # I *!) 3 8 '=( ! *)2!E)'*2!PeR!7'() *2 9 ! I $ 5!:)'4!A# I 79 !&2 $ 2 3 *!= # !M3**2&!)#E!M3=%!*'M24!%#I!$&24 4!*) 2 ! ;I**#=!*#!4*3&*I$5! !

Z#I!M 3%!= 229! *#!9'4A#==2A*!>'**%!?'!<&#M!%#I&!J34$;2&&%!?'X!3=9!$#E2&!#=! J34$;2&&%!?'!#=7%!<#&!*&#I;724)##*'=(5!

:)2&2!3&2!*E#!$#44';72!&234#=4!*)3*!A3=!A3I42!*)'4!B'=9!#<!$&#;72MY!

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1.! Scripts!do!not!get!executed!automatically!after!Raspberry!Pi!system!is!on!

6<*2&!'=4*377'=(!*)2!4#<*E3&2X!%#I!E'77!)382!U932M#=54)VX!U4%=A:'M254)V!3=9! U&I=CA&'$*54)V!4A&'$*4!'=!*)2!9'&2A*#&%!*)3*!)3 4!4# <*E3 &2 !'=4*3 77295!:)242!4A &'$*4!4 )# I79! ;2!2W2AI*29!3I*#M3*'A377%!3<*2&!*)2!#$2&3*'=(!4%4*2M!'4!I$5!

F<!*)242!4A&'$*4!3&2!=#*!3 I *# M3*'A377%!2W2AI*29!<#&!3=%!&234#=X!>'**%!?'!E'77!AI*!*)2! $#E2&!#<!J34$;2&&%!?'X!without!lighting!up!the!white!LED5!F=!*)'4!A342X!*)2!<'&4*! $73A2!*#!A)2AB!'4!*)2!U[2*A['='*59[E '**% $ 'V! <'72 X!3=9!*)2&2!'4!$#44';'7'*%!*)3*!'*!A#=*3'=4! E&#=(!$3*)4!*#!*)242!4A&'$*45!

F<!%#I!3&2!&I=='=(!3!4$2A'37!9'4*&'; I *'# = !#<!TC X!M 3 B 2 !4I& 2 !*#!A)2 A B !'<!*)2!A#MM3=94!'=! *)2!U[2*A['='*59[E'**%$'V!<'72!9# !2 W'4 *!'= ! *) 2 !4 % 4 *2 MX!#&!'*!E'77!<3'7!4'72=*7%5!Q#&!2W3M$72X! H'=';'3=!9#24=k*!)382!U4I9#V!A#MM3=95!

2.! GPIO\4!pin!doesn’t!reach!a!stable!status!in!given!time!

6<*2&!*)2!4%4*2M!'4!#=X!1?FTcG!$'=!4)#I79!;2!'=!'=$I*!M#92!3=9!(2*4!'=*2&=377%!$I7729! I$5!L#E282&X!9I&'=(!*)2!4*3&*I$!*)2!1?FTcG!$'=!A#I79!;2!I=4*3;725!F=!*)2!daemon.sh! 4A&'$*X!*)2!1?FTcG!7'4*2=2&!E'77!;2!4*3&*29!#=A2!*)2!$'=!4*3*2!)34=k*!A)3=(29!<#&!.-! 42A#=945!T=A2!*)2!1?FTcG!7'4*2=2&!'4!4*3&*29X!3=%!3A*'#=!*)3*!$I774!9#E=!1?FTcG!E'77! ;2!&2(3&929!34!3!4)I*9#E=!A#MM3=95!C#!'<!1?FTcG!$'=!9#24=k*!&2377%!(2*!4*3;72!3<*2&! *)2!('82=!.-!42A#= 9 4 X!>'**%!?'!E'77!*3B2!'*!34!3!4)I*9#E=!A#MM3=9X!lights!up!the!

white!LED!3=9!*)2=!4)I*9#E=!*)2!4%4*2M5!

:)2&2!3&2!M3=%!<3A*#&4!*)3*!M'()*!A3I42!*)2!1?FT!$'=!I=4*3;72X!3=9!the!most!

common!one!is!the!power!supply5!F<!%#I&!$#E2&!4I$$7%!'4!=#*!4*&#=(!2=#I()X!9I&'=(!

*)2!;##*'=(!'*4!8#7*3(2!M3%!9&#$!<&#M!*'M2!*#!*'M2X!E)'A)!M3%!374#!M3B2!*)2!1?FT!$'=! 8#7*3(2!9&#$X!3=9!*&'((2&!*)2!1?FTcG!7'4*2=2&!*#!4)I*9#E=!%#I&!J34$;2&&%!?'5!

F<!'*!'4!*)2!A342X!%#I!9#= k*!) 3 82 !*# !& 2 $ 73A 2 !*) 2 !$#E2&!4I$$7%5!tI4*!*&%!*#!9273%!*)2! 4*3&*'=(!#<!1?FTcG!7'4*2=2&X!3=9!'=!*)2!M3g#&!#<!A3424!'*!E'77!)27$5!Z#I!A3=!M#9'<%!*)2! xdaemon.shx!4A&'$*X!'=!7'=2!GGY!

E)'72!y!mA#I=*2&!c7*!10!zu!9#!

:&%!*#!A)3=(2!*)2!=IM;2&!.-!*#!,a5!:)2!;'((2&!=IM;2&!%#I!I42X!*)2!73*2&!*)2!1?FT cG! 7'4*2=2&!E'77!;2!4*3&*295!

:)'4!M#9'<'A3*'#=!M3%!E#&B3&#I=9!*)2!$&#;72M5!F<!'*!9#24=k*X!'*!M 2 3 = 4 !% # I &!1 ? FTcG!'4! &2377%!$I7729!9#E=!d;%!4#<*E3&2!#&!) 3&9 E 3&2 `X!3= 9!% #I !A3= !A# =<'&M !*) 3*!;% !M 23 4I &'=( ! *)2!8#7*3(2!#=!1? FT cG!E'*)!3!MI7*'M2*2&5!\%!92<3I7*X!*)2!1?FTcG!4)#I79!;2!'=*2&=377%! $I7729!I$5!F<!'*!(2*4!$I7729!9#E=X!*&%!*#!<'=9!#I*!E)#!9#24!*)'4!3=9!9#=k*!72*!'*!9#!*)'4! 3(3'=X!#&!%#I!A3=!I42!3=#*)2&!$'=!*#!&2$73A2!1?FTcG5!

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What!I2C!Address!is!Used!by!Witty!Pi?!

J34$;2&&%!?'!A#MMI='A3*24!E'*)!*)2!J:"!A)'$!dRC.DDO`!#=!>'**%!?'!8'3!F,"!$&#*#A#75! :)2!RC.DDO!A)'$!)34!3!<'W29!F,"!399&244Y!0x685!

F<!%#I!)382!>'**%!?'!A# = = 2 A *2 9 !*# !J 3 4 $ ; 2 &&% !? '!3 = 9 !&I = !U4 I 9 # !', A9 2 *2 A *!c%!.V!'=!*)2! A#=4#72X!%#I!E'77!422!*)'4Y!

:)'4!399&244!'4!<'W29!3=9!%#I!A3=!=282&!A)3=(2!'*5!F<!%#I!E3=*!*#!I42!#*)2&!F,"!928'A24! #=!%#I&!J34$;2&&%!?'X!$72342!M3B2!4I&2!*)2%!)382!9'<<2&2=*!F,"!399&244245!

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pi@raspberrypi ~ $ sudo i2cdetect -y 1

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pi@raspberrypi ~ $

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What!GPIO!Pins!are!Used!by!Witty!Pi?!

:)2!1?FT!$'=4!I429!;%!>'**%!?'!3&2!M3&B29!E'*)!green!A#7#&!'=!*)2!*3;72!;27#E5! !

?72342!=#*'A2!*)2!43M2!$'=!M3%!)382!9'<<2&2=*!$'=!=IM;2&!'=!9'<<2&2=*!=IM;2&'=(! 4%4*2M45!F=!9#AIM2=*4!E2!37E3%4!I42!\"H!=IM;2&'=(X!E)'72!'=!*)2!4#<*E3&2!d;34)! 4A&'$*`!E2!I42!*)2!E'&'=(!?'!=IM;2&'=(5!

GPIO!

(BCM)!

wiring!Pi!

(wPi)!

Name!

Physical!

Name!

wiring!Pi!

(wPi)!

GPIO!

(BCM)!

!!D5Db!

1!2!ab!!!

,!K!CR6!.!

3!4!ab!!!

D!S!C"P!.!

5!6!1]R!

!!G!O!1?FT!O!

7!8!:vR!

.a!

.G!

!!1]R!

10!

JvR!

./!

.a!

.O!-!1?FT!-!

11!

12!

1?FT!.!

.K!

,O!,!1?FT!,!

13!

14!

1]R!

,,!D!1?FT!D!

15!

16!

1?FT!G!

,D!

!!D5Db!

17!

18!

1?FT!a!

,G!

.-!

.,!

HTCF!

19!

20!

1]R!

.D!

HFCT!

21!

22!

1?FT!/!

,a!

..!

.G!

C"Pn!

23!

24!

"e-!

.-!

!!1]R!

25!

26!

"e.!

..!

D-!

CR6!-!

27!

28!

C"P!-!

D.!

,.!

1?FT!,.!

29!

30!

1]R!

!!/!

,,!

1?FT!,,!

31!

32!

1?FT!,/!

,/!

.,!

.D!

,D!

1?FT!,D!

33!

34!

1]R!

.S!

,G!

1?FT!,G!

35!

36!

1?FT!,O!

,O!

./!

,/!

,a!

1?FT!,a!

37!

38!

1?FT!,K!

,K!

,-!

!!1]R!

39!

40!

1?FT!,S!

,S!

,.!

Raspberry!Pi!USB!ports!at!this!end!

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64!%#I!A3=!422!'=!*)2!*3;72X!>'**%!?'!I424!GPIO\4X!GPIO\17X!GPIO\2!(SDA!1)X!

GPIO\3!(SCL!1)!3=9!GPIO\14!(TXD)5! !

:)2!I43(2!#<!1?FTcG!3=9!1?FTc.O!3&2!AI4*#M'N3;725!F<!%#I!E3=*!*#!I42!#*)2&!1?FT! $'=4!*#!9#!*)2'&!g#;X!%#I!A3=!<#77#E!*)'4!*I*#&'37Y!

)**$Y[[EEE5II(23&5A#M[$#&*<#7'#[A)3=(2c*)2c$'=c*)3*cI429c;%cE'**%c$'[!

1?FTc,!3=9!1?FTcD!3&2!<#&!F,"!A#MMI='A3*'#=!;2*E22=!J34$;2&&%!?'!3=9!*)2!J:"! A)'$!dRC.DDO`5!F,"!928'A24!3&2!'=92=*'<'29!;%!F,"!399&244X!3=9!*)2%!A3=!4)3&2!*)2!F,"! $'=4!34!7#=(!34!*)2%!)382!9'<<2&2=*!F,"!399&244245!

1?FTc.GX!34!*)2!:vR!$'=!<#&!42&'37!A#MMI='A3*'#=X!'4!^I'*2!4$2A'37!'=!J34$;2&&%!?'5!F*! E'77!B22$!#=!LF1L!4*3*2!3<*2&!4%4*2M!'4!I$X!3=9!E'77!;2A#M2!PT>!3<*2&!4%4*2M!)34! ;22=!4)I*!9#E=5!F*!'4!I429!<#&!92*2A*'=(!*)2!4%4*2M!I$!#&!9#E=X!4#!>'**%!?'!A3=!<I77%! AI*!*)2!$#E2&!3<*2&!4%4*2M!)34!;22=!4)I*!9#E=5!C'=A2!'*!'4!*)2!#=7%!$'=!*)3*!A#I79!;2! I429!<#&!*)'4!$I&$#42X!'*!'4!=#*!AI4*#M'N3;72!2'*)2&5!

Is!Witty!Pi!Compatible!with!“Other!Hardware”?!

>2!)382!(#*!3!7#*!#<!2M3'74!34B'=(!*)'4!^I24*'#=X!3=9!*)2 !# = 7% !9 '<<2&2=A2 !'4 !*) 2 !UT *) 2 & ! L3&9E3&2V!(#*!&2$73A29!;%!83&'#I4!B'=94!#<!)3&9E3&25!

?72342!I=92&4*3=9!*)3*!E2!M'()*!=#*!)382!*)2!)3&9E3&2!%#I!)382!#=!)3=9X!3=9!282=! '<!E2!)382X!'*!'4!9'<<'AI7*!<#&!I4!*#!M3B2!*24*4!#=!377!*) 2 4 2 !) 3 & 9 E3&2!E'*)!>'**%!?'5! Q#&*I=3*27%X!'*!'4!=#*!*)3*!9'<<'AI7*!*#!<'(I&2!#I*!*)2!3=4E2&!;%!%#I&427<5!\34'A377%!%#I!gI4*! =229!*#!A#=4'92&!*)2!F,"!399&244!3=9!1?FT!$'=4!I429!;%!*)2!UT*)2&!L3&9E3&2V5!

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UUGear Witty Pi User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual