We are seeking an experienced developer to create a switch mechanism for controlling dual throttle sensors. The ideal candidate will have a strong understanding of electronic control systems and be able to design a reliable, intuitive solution. The project requires expertise in both hardware design and software programming for seamless integration.
Project:
Dual throttle control switch
Scope:
1. Verify the ability to switch between 2 throttle sensors. Thus, only one can be active at any given time.
2. Design electrical schematic and possible Arduino program if necessary.
Background:
I am using a Seadoo GTX 300 personal watercraft engine, controls and wire harness as a doner for engine and controls in a mini jet boat. I would like to be able to switch from throttle controls on the steering wheel to a more traditional single lever side mount boat throttle. I have already solved the issue of controlling 2 sensors (Throttle & Brake Lever Sensor (BRLS)) with a single level. So, for this project just solve the switching between 2 sets of controls.
Project:
Create a switching device that will allow me to switch from controls on the steering wheel to controls on a single lever side mount with some safety and logic involved.
1. I’m thinking of using an Arduino to control this?
2. Also need 1 neutral verification input for safety before it will allow to switch. This is a simple contact switch on the single lever side mount throttle. This will prevent accidental switching when the side mount is in gear (when in gear, the lever will rotate the throttle sensor slightly and will send signal to ECU that there is throttle input)
3. Use a single momentary switch to toggle between both controls. Maybe use a LCD touch screen?
4. Have a LCD screen to display what mode it is switched to: Steering Wheel or Lever. Possibly to display an error message if attempting to switch with the side lever (contact open) in gear.
5. Wish list- have the ability to see what the signal voltage is for the brake and throttle in real time as they are moved through their positions.
General Overview:
About the Sensors:
There are two sensors that control the vessel. BRLS (Brake Lever Sensor) (Part #278002284) and Throttle Sensor (Part #278002283). Both look the same but have different part numbers. Both have 6 wire connections.
Both sensors have the same wiring scheme but use different wire colors.
Throttle Sensor wire diagram:
IBR Sensor wire diagram:
I believe there are two sets of Hall Sensors in each. This would give two sensor outputs for each sensor. Also, I believe the 2 power inputs are unswitched and constant. Not sure if they are 5v or 12v?
Basic question: Do we need to A/B switch just the 2 signal output wires on each sensor, thus leaving the unused sensors powered on all the tie, or do we need to switch all 6 wires for each sensor?
References:
Intelligent Brake & Reverse (iBR) is your Sea-Doo’s on-water brake.
iBR also provides more intuitive, controlled operation at slow speeds. iBR-equipped craft start in a neutral mode, the iBR system deflecting forward thrust just enough to keep the craft stationary. Riders can then choose to go into forward by pulling the traditional righthand throttle or choose from neutral or reverse by pulling the lefthand-mounted iBR lever. Never is a rider required to take a hand off the handlebars to reach for a console-mounted reverse lever and never are a rider’s eyes taken off the water and surroundings. Instead, the watercraft now has the intuitive feeling of a boat’s gears, making tasks like docking, backing away from the launch ramp or navigating a crowded marina simple and stress-free.
https://sea-doo.brp.com/us/en/owner-zone/getting-started/vehicle-information/sea-doo-intelligent-brake-reverse.html
BRLS- Brake Lever Sensor (Part #278002284)
Throttle Sensor (Part #278002283)
