Implement and test a full digital instrument

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Reference no: EM132908803

Design, implement and test a full digital instrument

With this I&M project, you will progressively demonstrate the skills acquired through this course. This four part assignment is part of your assessments for this course. In week 3 (when the tutorials/labs start) you will be given a random number that will correspond to the additional set of constraints you will have for this design project. The four separate submission deadlines are specified in the schedule of activities and is your responsibility to submit by the due date. 100 Marks will be assigned in total and these will be transformed into a percentage of your final grade as per Learning Guide.

General design specs (common to everybody)

Design and test a digital (Arduino based) output light sensor capable to adapt and erase the ambient light. You will prove its functionality by showing an output value of zero (or close) when the sensor is exposed to an arbitrary constant light source i.e. ambient light. The design must then show a variable output when exposed to a generated fast frequency light source, in addition to the ambient light source. The frequency of the variable output must be proportional the frequency of the fast frequency light source in presence of ambient light (i.e. not in a dark room). In other words, you can see this system as a light source frequency discriminator; it must be able to discriminate between a pulsing light source and the ambient light, i.e. ambient light, is automatically erased.

1) With this assignment you will demonstrate your engineering skills, the skills acquired during this course and capability to work unsupervised.

2) You are going to build up the skills to fulfil this project during the lectures and tutorials, submission of milestones is devised to match the skills acquired.

3) It is expected that this project will take approximately 18 hours of work during the semester, 9 hours will be spent in class where members of the teaching team will be able to assist you with your queries and design issues.

4) For this project you will be trained into the use of the instruments/software packages used in this unit for approximately 9 hours during the semester. It is expected that you dedicate at least as much of your own time exercising the skills acquired.

5) All the tutorials are functional to the preparation of this assignment and its submission

General constraints (common to everybody)
6) You must use the LDR sensors supplied by the school. If you want to use your own, you will need to submit a brief statement explaining the reason why you should be allowed this advantage; approval is granted by the teaching team and decision is final.

7) You can use up to two separate light sensors

8) You can only use LM741 and/or TL081/2/4 as amplifier for this project. Your choice must be declared and argued.

9) Your signal conditioning for the light sensor(s) must be a fully differential amplifier.

10) Your design must be protected against aliasing, the sample rate that you must use is specified in the next section.

11) In this project you are competing with your peers, as part of this assignment you will need to submit a up to 3 minutes video of you presenting/demoing your project/circuit. The aim of this presentation is to convince the project managers (teaching team) to select your project/circuit for manufacturing.

12) Arduino must be used to acquire data, for the submissions 2, 3 and 4. You are expected to show the output of the LDR(s) and the final output of your circuit recorded on the Arduino using the ADC ports (A0, A1 and A2). Note, your circuit must discriminate the ambient light using your analogue circuit design, and not via code.

13) Arduino must be used to control a variable light source (LED) and generate a known light pattern that should be visible in the acquired data.
Attachment:- Project lab.rar

Reference no: EM132908803

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