complicated clock car computer / aka 06/03/2019 20190128-carpi.html?print-pdf#/slide- orge963a6a...
TRANSCRIPT
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 1/55
Car Computer / AKACar Computer / AKAComplicated ClockComplicated Clock
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 2/55
New CarNew Car
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 3/55
Problem: Broken ClockProblem: Broken Clock
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 4/55
IdeaIdeaCreate a car computer to act as a clock!
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 5/55
Other featuresOther featuresOther features of my Complicated Clock could be
Dash CamReverse CamBluetooth Audio streamingODB2 diagnostics and readoutTemperature readings inside/out
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 6/55
ChallengesChallengesPowerMounting screen & computer
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 7/55
HardwareHardwareComputer Raspberry PI 3B+
UPS PiJuice
Screen 5in PI Screen
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 8/55
PiJuicePiJuice
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 9/55
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 10/55
IncludesIncludesRTCBattery for up to 5hrs running time (LiPo 1820mAh)Shutdown scripts3 x Programmable buttonsStackable GPIO
https://core-electronics.com.au/pijuice-hat.html
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 11/55
Power adapterPower adapter5Volt 3Amp Adapter (not included)
https://www.altronics.com.au/p/m8630-powertran-qc3-4.8a-5v-dc-car-dual-usb-adaptor/
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 12/55
5" Screen5" Screen
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 13/55
Z6513Z65135 inch screen$80 on special800x480Touch supportHDMI input
https://www.altronics.com.au/p/z6513-5-inches-800x480-lcd-touchscreen-for-raspberry-pi/
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 14/55
IssuesIssuesFoggy looking in direct sun due to overlay & brightnessNo hardware brightness controlHDMI cable is in the way
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 15/55
Raspberry PI 7inchRaspberry PI 7inch
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 16/55
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 17/55
7inch features7inch featuresRibbon cable inputBetter touchscreen (Capacitive touch)Wider viewing angle 70 degreesLarger
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 18/55
Measure & PlanMeasure & Plan
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 19/55
Dash holeDash hole
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 20/55
Measure: Dash holeMeasure: Dash hole
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 21/55
First thoughtsFirst thoughts
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 22/55
Final planFinal plan
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 23/55
Front viewFront view
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 24/55
Side viewSide view
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 25/55
Mocking PrepMocking Prepcardboardstrap brace (0.5mm galv)double sided tape
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 26/55
StructureStructureUsing cardboard I could quickly create the structure using a pair of
scissors and double sided tape on brackets.
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 27/55
End result lookEnd result look
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 28/55
Bracket makingBracket making
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 29/55
ProcessProcessUsing strap brace I could easily:
bend (using a vice and hands)cut (with tin snips)mount (small screws in pre-drilled holes)
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 30/55
TestTest
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 31/55
Make longerMake longer
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 32/55
BendBend
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 33/55
CablingCablingNeeded to extend the ribbon cable.
Ribbon cable (40pin)40 pin female header26 pin male header surface mountexperimenters boardlots of coloured cable
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 34/55
ProblemProblemCouldn't �nd the correct headers
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 35/55
PreparePrepare
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 36/55
Press ribbon headers with vicePress ribbon headers with vice
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 37/55
Solder surface mountSolder surface mount
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 38/55
Solder onto screenSolder onto screen
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 39/55
End of cablingEnd of cabling
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 40/55
RisersRisersTo attach the 5in screen to the front
Parts
1mm Aluminium strap (can cut with tin snips)
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 41/55
Finding a riserFinding a riserToo big, nothing exists.
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 42/55
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 43/55
Making my own risersMaking my own risers
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 44/55
Attaching risers to screenAttaching risers to screen
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 45/55
Problem!Problem!Couldn't screw these small risers on.
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 46/55
SolutionSolutionUse a longer rail riser design
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 47/55
Final attachmentFinal attachment
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 48/55
FM TransmitterFM TransmitterRaspberry PI can act as a FM transmitter with no extra hardwareCould use to transmit music/phone calls/etc to car stereo
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 49/55
InstallationInstallationConnect cable 30cm to GPIO4
Install fmtransmittergit clone https://github.com/markondej/fm_transmitter
cd fm_transmitter
make -j4
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 50/55
RunRunSample wav �le is provided
sudo ./fm_transmitter -f 98.0 acoustic_guitar_duet.wav
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 51/55
Use MP3Use MP3Must convert �rst
sudo apt install sox libsox-fmt-mp3
sox Visigoth\ -\ Final\ Spell\ -\ 01\ Creature\ of\ Desire.mp3 -r 22050 -c 1 -b 16 -t wav create_
sudo ./fm_transmitter -f 98.0 ~/Music/Visigoth/Visigoth\ -\ Final\ Spell/create_of_desire.wav
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 52/55
Future PlansFuture Plans5" touch displayClock (Using RTC & dclock on 5in display)Outside temp readoutInside temp readoutODB2 readouts (for diags)Stream audio (either to a radio station or through a tape deck toaudio plug)Bluetooth streaming (from mobile through to the cars audio)Navigation (Display maps with USB GPS I have somewhere)Dash camReverse cam with a tap of a buttonAdd Data sim and tracking ability
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 53/55
ReferencesReferences
- old but still worth it
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 54/55
BookmarksBookmarks
06/03/2019 20190128-carpi.html?print-pdf#/slide-orge963a6a
file:///home/map7/org/presentations/20190128-carpi.html?print-pdf#/slide-orge963a6a 55/55
QuestionsQuestionsEmail
Github
@map7
github: map7