Picture of author and project on the road.
Table of Contents
SECTION 1 Hardware Tools...
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Introduction.
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Our Goal
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The Master plan.
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Getting the Act together
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What is a microcontroller ? and Which microcontroller?.
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Which PIC language?.
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The Software Shopping List
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The Tutor
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Text Editor
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MicroChip’s MPLAB.
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The program to get our program into the PIC..
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Starter Kit
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Defining the Computer
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Sensors
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The PIC’s 18 pins
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Where to find the Starter Kit
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The PCB.
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The PCB Shopping List
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The Theoretical Circuit
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Component List
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The Electrical circuit Diagram..
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The PCB track Layout process
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I Boob… No, two boobs
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The Print process.
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Calibrating the Scale.
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Other print problems
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More Boobs… ExpressPCB was right !
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Other print process problems?.
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WARNING Chemicals WARNING..
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Waste elimination.
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Photographic Stuff
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Photographic shopping list
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The Photo frame.
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The Chemicals
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Mixing the Chemicals
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The Test strip.
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Exposing the PCB Tracks
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Here we go this is real
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Drilling the board.
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Inserting and Soldering the Components
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Colour code.
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The PIC programmer
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Final shopping List
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Component List
SECTION 2 Writing Code for the PIC....
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Introduction.
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The First attempt to define the bike computer
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Start of my original notes
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End of my original notes
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The First Steps after pseudo code.
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Making Firstest Work.
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What to do with the HEX file.
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Setting up ICPROG..
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Summing up.
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A simple Hex to Decimal routine.
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Debugging ” myh2dec.asm” with MPASM..
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The Watch Window.
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The F5, F6, F7 and ( control + F9 ) keys
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The StopWatch Window.
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Debug Break settings
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The Stack window.
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Summing up using MPASM..
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The Basic Windows
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The Menus we have used till now..
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MPLAB Number Formats
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Letter Case conventions
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More on generating code.
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The hex2dec Time problem with Big numbers
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The Bike Computer Flow diagram, simple version.
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The Flow-Chart
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Resolution Available.
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Back to the Flow Chart
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The Automatic menu.
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The Complete Loop Execution Time.
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Compromises
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Nuts and Bolts
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Math routines
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LOGIC routines
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Conversion routines
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HEX to DECIMAL.
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HEX FRACTIONS to DECIMAL FRACTIONS.
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NUMBER SCALING..
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LCD Setup, Signalling and data transfer routines
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Automatic menu (2)
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Bike3.asm..
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The END Product the HEX file.
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CONCLUSION..
SECTION 3 Putting it together....
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Construction Notes.
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The Wheel rotation Sensor
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What is the Hall effect?.
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There are two main types of Hall device.
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The Bike mounted PCB.
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Bike only Theoretical diagram..
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The Box.
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Appendix 1 Revised diagrams for *development System..
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PCB of Bike computer and test accessories.
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The Theoretical diag. +component layout
Comments:
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mf_piclist@indirection.com
http://home.swipnet.se/~w-51358/pilot/default.htm
Nice work (big documentation effort)!! I'm looking for a way to collect a detailed record of my ride. For example: “http://home.swipnet.se/~w-51358/pilot/default.htm” -- BUT I want a simple way to collect this detail data then download to my computer using a PIC or something else. Suggestions?
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I found your page most interesting and would
like to send my congratulations to Fred Maher on his excellent
work
Questions:
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redzuan@c4.com asks:
Hi Fred,
I found your effort very surprising. It was very detailed to the level of unbelievable (making your own PCB!!??). I have a suggestion. As a Muslim, I know that getting to know the right prayer time (5 times a day) is quite hard. If you can program something to accurately detect prayer times all around the world (you have to play around with time, latitude and longitude but I can send you the details of the programming). The idea is to have something small, for example, a key chain to announce the prayer times accurately wherever you are in the world. Rather than shopping around for big companies, I found your effort to be very interesting. So, please do update me on whether you can accept the challenge. Thanks in advance.
regards,
Redzuan
