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Bluetooth enabled programmable LCD display?

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  • C Offline
    C Offline
    Chris C B
    wrote on last edited by
    #1

    This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

    R E L B M 9 Replies Last reply
    0
    • C Chris C B

      This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

      R Offline
      R Offline
      Ron Anders
      wrote on last edited by
      #2

      Check out waveshare.com - lots of cool stuff.

      C 1 Reply Last reply
      0
      • R Ron Anders

        Check out waveshare.com - lots of cool stuff.

        C Offline
        C Offline
        Chris C B
        wrote on last edited by
        #3

        Thanks for the link. I how just spent a cool hour browsing their multiple goodies, but unfortunately not what I am looking for, which is the old style LCD where characters are made up from dark grey bars on a light grey background. https://www.sencor.com/getmedia/96c58684-6859-4398-bb9a-63ae8c54f13f/SWS25BS.jpg.aspx[^] Comme ça! I have one of those sitting on my desk right now, and it is the only type of display readable in bright sunlight.

        1 Reply Last reply
        0
        • C Chris C B

          This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

          E Offline
          E Offline
          englebart
          wrote on last edited by
          #4

          Purchase an anti glare screen protector for your phone?

          C 1 Reply Last reply
          0
          • C Chris C B

            This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

            E Offline
            E Offline
            englebart
            wrote on last edited by
            #5

            If you are most worried about speeding ticket, then just purchase a separate LCD GPS bike computer for km/h. Example only, not verified [https://xoss.co/products/xoss-g-gps-bike-computer-1?variant=31955789676679\](https://xoss.co/products/xoss-g-gps-bike-computer-1?variant=31955789676679)

            C 1 Reply Last reply
            0
            • E englebart

              Purchase an anti glare screen protector for your phone?

              C Offline
              C Offline
              Chris C B
              wrote on last edited by
              #6

              Tried it! I even bought a non-reflecting case, but it was a bust - it just glared enough to obscure the screen, although it did reduce the reflections.

              1 Reply Last reply
              0
              • E englebart

                If you are most worried about speeding ticket, then just purchase a separate LCD GPS bike computer for km/h. Example only, not verified [https://xoss.co/products/xoss-g-gps-bike-computer-1?variant=31955789676679\](https://xoss.co/products/xoss-g-gps-bike-computer-1?variant=31955789676679)

                C Offline
                C Offline
                Chris C B
                wrote on last edited by
                #7

                Thanks for that - that is probably what I shall end up getting. If it can store and recall to the screen the trip distance, then I can use it as a fuel gauge - I know pretty accurately how far I can go on a full tank, as I have kept fuel/odometer records since I bought the thing. I would then just have to zero it on filling. It is likely that it would store it, as most of the cyclists I know ride somewhere, stop and eat/drink, and then cycle back. At least that particular machine doesn't clutter up the screen with cardiac data etc.

                1 Reply Last reply
                0
                • C Chris C B

                  This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

                  L Offline
                  L Offline
                  Lost User
                  wrote on last edited by
                  #8

                  Text to speech. A button for a readout shoutout.

                  "Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I

                  C 1 Reply Last reply
                  0
                  • L Lost User

                    Text to speech. A button for a readout shoutout.

                    "Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I

                    C Offline
                    C Offline
                    Chris C B
                    wrote on last edited by
                    #9

                    Too much ambient noise - exhaust, engine noise, wind noise, all while wearing a helmet, would make it inaudible. Wearing headphones would be an option, but they are very uncomfortable under a helmet, and tend to make other road sounds inaudible.

                    L 1 Reply Last reply
                    0
                    • C Chris C B

                      Too much ambient noise - exhaust, engine noise, wind noise, all while wearing a helmet, would make it inaudible. Wearing headphones would be an option, but they are very uncomfortable under a helmet, and tend to make other road sounds inaudible.

                      L Offline
                      L Offline
                      Lost User
                      wrote on last edited by
                      #10

                      There are "electronic RF shelf labels" that might fit the bill. This looks interesting:

                      Quote:

                      Coolbird Blue LED Name Tag, Rechargeable Wireless Bluetooth LED Name Badge Reuseable Price Tag 44x11 Pixels Digital Sign for Restaurant Shop Exhibition Nightclub Hotel

                      [https://www.amazon.ca/Coolbird-Rechargeable-Temperature-Restaurant-Exhibition/dp/B07RX59KC1/ref=asc\_df\_B07RX59KC1/?tag=googleshopc0c-20&linkCode=df0&hvadid=578878247443&hvpos=&hvnetw=g&hvrand=4388208883257813964&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9001337&hvtargid=pla-788080451888&th=1\](https://www.amazon.ca/Coolbird-Rechargeable-Temperature-Restaurant-Exhibition/dp/B07RX59KC1/ref=asc\_df\_B07RX59KC1/?tag=googleshopc0c-20&linkCode=df0&hvadid=578878247443&hvpos=&hvnetw=g&hvrand=4388208883257813964&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9001337&hvtargid=pla-788080451888&th=1)

                      "Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I

                      J 1 Reply Last reply
                      0
                      • C Chris C B

                        This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

                        B Offline
                        B Offline
                        BernardIE5317
                        wrote on last edited by
                        #11

                        This also may be useful for local trips. As for a dashboard I guess it will have to strap to your hand or arm unless Google is still selling their glasses. https://shiftrobotics.io/[^]

                        1 Reply Last reply
                        0
                        • C Chris C B

                          This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

                          M Offline
                          M Offline
                          milo xml
                          wrote on last edited by
                          #12

                          I wonder if a privacy screen protector would help. Sample[^]

                          C 1 Reply Last reply
                          0
                          • L Lost User

                            There are "electronic RF shelf labels" that might fit the bill. This looks interesting:

                            Quote:

                            Coolbird Blue LED Name Tag, Rechargeable Wireless Bluetooth LED Name Badge Reuseable Price Tag 44x11 Pixels Digital Sign for Restaurant Shop Exhibition Nightclub Hotel

                            [https://www.amazon.ca/Coolbird-Rechargeable-Temperature-Restaurant-Exhibition/dp/B07RX59KC1/ref=asc\_df\_B07RX59KC1/?tag=googleshopc0c-20&linkCode=df0&hvadid=578878247443&hvpos=&hvnetw=g&hvrand=4388208883257813964&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9001337&hvtargid=pla-788080451888&th=1\](https://www.amazon.ca/Coolbird-Rechargeable-Temperature-Restaurant-Exhibition/dp/B07RX59KC1/ref=asc\_df\_B07RX59KC1/?tag=googleshopc0c-20&linkCode=df0&hvadid=578878247443&hvpos=&hvnetw=g&hvrand=4388208883257813964&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9001337&hvtargid=pla-788080451888&th=1)

                            "Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I

                            J Offline
                            J Offline
                            JohnDG52
                            wrote on last edited by
                            #13

                            I suspect update time on these (typically appreciable fractions of a second) is way too slow for a realtime display.

                            1 Reply Last reply
                            0
                            • C Chris C B

                              This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

                              J Offline
                              J Offline
                              JohnDG52
                              wrote on last edited by
                              #14

                              If you can find a suitable LCD with eg I2C or SPI connection (on eg Amazon), it's pretty trival to turn it into a Bluetooth-connected display with an Arduino Nano BLE (or similar). Depends whether you're a bit of a DIYer.

                              C 1 Reply Last reply
                              0
                              • C Chris C B

                                This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

                                C Offline
                                C Offline
                                Craig Robbins
                                wrote on last edited by
                                #15

                                Do you bring your towel on each trip?

                                C 1 Reply Last reply
                                0
                                • C Craig Robbins

                                  Do you bring your towel on each trip?

                                  C Offline
                                  C Offline
                                  Chris C B
                                  wrote on last edited by
                                  #16

                                  Of course - I am a hoopy frood! :-\

                                  1 Reply Last reply
                                  0
                                  • M milo xml

                                    I wonder if a privacy screen protector would help. Sample[^]

                                    C Offline
                                    C Offline
                                    Chris C B
                                    wrote on last edited by
                                    #17

                                    It's certainly worth a try - I'll check out if one is available for my Cat phone.

                                    1 Reply Last reply
                                    0
                                    • J JohnDG52

                                      If you can find a suitable LCD with eg I2C or SPI connection (on eg Amazon), it's pretty trival to turn it into a Bluetooth-connected display with an Arduino Nano BLE (or similar). Depends whether you're a bit of a DIYer.

                                      C Offline
                                      C Offline
                                      Chris C B
                                      wrote on last edited by
                                      #18

                                      Nice idea - but well beyond my paygrade! :laugh:

                                      1 Reply Last reply
                                      0
                                      • C Chris C B

                                        This summer I bought a small, cheap motor scooter (EU small motorcycle class) for local journeys, as a contribution towards slowing climate change. My 4x4 Vogon constructor ship* sits unmolested in the driveway most of the time now. The problem is that the scooter speedometer is both wildly inaccurate and inconsistence, and it has no trip meter, and the fuel gauge equally useless, and there is no clock. The fuel gauge shows full when the tank is full, but half full after using less than a third of a tank, and then empty when there is a good 40% left. No problem! Out with the Android 'phone, wake up the brain, and roll my own dashboard - GPS for speed and distance, and with fuel consumption calculated from distance and time to cover it, logging starts, stops, and acceleration after stops to determine the type of driving - urban traffic, normal urban or open road. On testing, it worked well, and the calculated fuel consumption was within 1% of actual consumption. The problem is - in Cyprus sunshine, no matter how I orientate the 'phone holder, it is impossible to read it from reflections and glare - and if I am wearing light coloured clothing it gets worse. Now, some time ago a cyclist was telling me that the latest bike computers consisted of an Android program using Bluetooth to update an LCD display on the handlebars - and LCD screens are easily visible, having tested it with a handlebar mounted clock and thermometer on the scooter. What I want is to get hold of these Bluetooth LCD display device, together with the appropriate API so I can drive it with the functionality I have already built. I have Googled, Bingled and DuckDuckGoed to my heart's content, but so far no joy. Can anybody source one of these things? I would really like to get a reliable dashboard before I start getting speeding tickets and/or running out of petrol miles from anywhere. It just needs four lines for speed, time, trip and fuel %. Pretty please! :) * Vogon constructor fleets were tasked with destroying planets - ostensibly that obstructed a new space highway, but I think they just did it for fun.

                                        G Offline
                                        G Offline
                                        gjutras
                                        wrote on last edited by
                                        #19

                                        You could look for e-ink devices running android. There are a few. E-ink is also perfectly visible in sunlight.

                                        C 1 Reply Last reply
                                        0
                                        • G gjutras

                                          You could look for e-ink devices running android. There are a few. E-ink is also perfectly visible in sunlight.

                                          C Offline
                                          C Offline
                                          Chris C B
                                          wrote on last edited by
                                          #20

                                          Thanks - I didn't realize e-ink displays had reached the phone market yet! Definitely worth checking out.

                                          1 Reply Last reply
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