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First picture top half: Location of the dash and steering wheel
First picture bottom half: Dashboard design
3rd picture rough sketch for how the turn signal lever might work: The lever protrudes through the plate and can slide up and down the rail. The spring forces the lever up so it can only occupy three positions: raised in the middle slot (no turn), raised on the right slot (right turn) and raised in the left slot (left turn).
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Easily sourced parts: All LEDs are the Christmas light-sized ones used on breadboard. There are no shape requirements for the LCDs. The steering wheel grips can be ripped off bicycle handles. The lever can be machined (I think). The wheel may prove troublesome.
Clarity: The most important information is clearly presented without cluttter. No analog displays. The LEDs are next to the windshield so the resulting glare will make them more noticeable. The dash is not sloped so it avoids reflection.
Needs 3 screens
Turn signal circuits will be difficult to wire up.
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Required Controls
Control | Desired Behaviour | Feedback to Driver | Location |
Horn | Horn sounds whenever button is pressed | Audible | Steering Wheel |
Power Switch | Initiates Pre-Charge/Discharge, Open or closes main contactors | Indicator light on dashboard, Voltage display on driver display | Centre Console |
Emergency Stop | Open all power relays | None (Initiated by driver) | Centre Console |
Push to Talk | Allows communication on two way radio | None (Initiated by driver) | Steering Wheel |
Direction Selector | Switches between Reverse, Neutral, Drive | Display on driver display | Centre Console |
Power Mode Select | Determine whether we are running or charging | None | Centre Console |
Headlights | Headlights turn on | Indicator light on dashboard | Centre Console |
Turn Signals | Left or Right turn signals flashes | Indicator light on dashboard, possibly audible clicking noise | Steering Wheel |
Hazard Lights | Both turn signals flashes | Indicator light on dashboard, possibly audible clicking noise | Centre Console |
Cruise Control Set | Turn cruise control on, maintain current speed | Indicator light turns on, display cruise control speed on driver display | Steering Wheel |
Cruise Control Increase/Decrease | Change desired speed (In 5-10km/h increments, tbd) | Indicator light stays on, display new cruise control speed on driver display | Steering Wheel |
Cruise Control Off | Turn cruise control off | Indicator light turns off | Steering Wheel |
Regen Strength | Control regen braking strength between Off, Weak, Strong | Labels on switch will indicate setting | Centre Console |