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Found 5 results

  1. This PCB was designed by me for my Formula Student Team. The BSPD circuit is a non-programmable circuit which is used to open the shutdown circuit when hard braking occurs. It is placed behind the dashboard. In this circuit we have used EPT 3100 pressure transducer. The circuit uses a quad package dual comparator IC (LM324: A and LM324: B to compare the input signals to threshold voltages set by the potentiometers (ISense and BSE). The comparator will compare the equivalent voltage with the pre-calibrated voltage. The BSPD circuit checks if the Brake is pressed hard and if there is great
  2. Hi all, I'm building a project in which a sensor attached to a moving vehicle (a motor bike ) will give warning when its speed is above a certain limit and the distance between the vehicle and the vehicle in front of it is less than a safe value (say 4m). Can I use a basic Ultrasonic Distance Sensor for my project.I plan to use MSP432 launchpad for prototyping.Here is the link to the specific sensor that I plan to use. Does my choice work? If not can anyone please suggest me an alternative.
  3. Recently there was a contest for applications using TI's ESI hardware rotation/flow sensing peripheral, I was one of the winners of that. Actually TI did a pretty cool thing and gave the prize (target board and programmer) to everybody who entered rather than just their favorite five. Go TI! In any event, here is product pitch I submitted: I also submitted a more advanced version that ties into the fuel injectors and computes instant and average mileage, but I may or may not get to that in a reasonable time period. This is my project thread for this project, if you hadn't gues
  4. Decided to start a project based discussion regarding the BP I posted http://forum.43oh.com/topic/4301-manifold-absolute-pressure-sensing/ so as to not clutter that up. For those that haven't visited that, here's a re-cap: MCU samples an MPX4250A absolute pressure sensor, takes the reading and looks up a value from a table, and sends that to a DAC for output. It's actually two DACs though so there are possibly two values to read and send. There's an SPI eeprom for storing the values and the DAC's are set over SPI as well. There will be software that interfaces to it, at least for
  5. I have to mention RobG and cubeberg have helped with this. THANKS!!!! What it is, is one pressure sensor affecting two, 16 bit DAC output channels. What it will do (hopefully ;-)) is read an (automotive) industry standard MAP (manifold absolute pressure) sensor- in this case an MPX4250A 20-250 kPa (kilo Pascal) / 2.9-36.3 PSI sensor (~100 kPa / 14.7 PSI is ambient pressure at sea level), and appear as up to two potentially different sensors. Possible uses could include: replacing obsolete MAP sensors with more readily available ones because of different output range / scaling; fooli
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