This week's mission is as follows.

Propose a final project masterpiece that incorporates the range of units covered,

Answer the questions asked:

  • What will it do?

  • Who did what before?

  • What are you going to design?

  • What materials and components will be used?

  • Where will it come from?

  • How much will they cost?

  • Which parts and systems will be manufactured?

  • Which processes will be used?

  • What questions should be answered?

  • How will it be evaluated?

Your project must integrate 2D and 3D design,

  • Additive and subtractive manufacturing processes,

  • Electronic design and production,

  • Interfacing and programming of embedded microcontrollers,

  • System integration and packaging

Respect the requirements described below

  • Wherever possible, you should make rather than buy parts of your project.

  • Projects may be separate or joint, but must show mastery of skills, and be autonomous.

Let's move on to writing the masterpiece of my final project and answering the questionnaires.

    The summary of my final project: final project masterpiece

    The idea came from myself. The idea is to be able to control the start-up of a machine using your smartphone and calculate the operating time of the machine. To do this I must have a smartphone. Then I will create an electronic circuit and insert an esp32 chip for communication and finally I will create a mobile and web application to send commands. In fact the esp32-wroom-32d has a built-in Bluetooth module. It will be wise to use it instead of the BLE HM11.

    Answers to questions related to my final project.
    1. What will he do?

    My project aims to control the closing and opening of a remote relay. Its role is to calculate the time of use of the machine. To calculate this time I plan to use a sound probe which will read the noise of the machine and send data to the microcontroller. It will register the users of the machine.

    2. Who did what before?

    I have already worked with esp32 but I have a real problem uploading the code. Actually I don't have the programmer, so I use the FTDI cable to upload but currently I haven't been able to do it yet. I plan to create my own FTDI (Future Technology Device International). During the networking week I worked with RGB LEDs, I intend to incorporate them so that they emit visual signals.

    3. What are you going to design?

    • I have to design the electronic circuit for the esp32-wroom-32d chip again,

    • I need to redesign a circuit with a multiplexer for the leds

    • I need to design a circuit that will contain the electronic relay(s).

    • I need to design a mobile app to connect to the chip.

    • I will print boxes in 3D printing to contain the set.

    4. What materials and components will be used?

    The material I would need.

    n° Materials qte UP Amount Serie
    001 Puce ESP32-WROOM-32D 01 2,48 2,48 1965-ESP32-WROOM-32E(4MB)CT-ND
    002 Led RVB ... ... ... ...
    003 Switch tactile 01 2,07 2,07 ...
    004 Régulateur Línea LDO 3.3V 100mA 01 0,52 0,52 ...
    005 Régulateur Línea LDO 5V 1A 02 0,38 0,76 MCP1700T5002ETTCT-ND
    006 Led Green 03 0,2 0,6 732-4993-1-ND
    007 Relais électronique 5V 04 ... ... ...
    008 Resistance de 499 Ohms 03 0,09 0,27 311-499FRCT-ND
    010 Resistance 10KOhm 01 0,1 0,1 311-10.0KFRCT-ND
    011 Transistor mosfet N-chanel 30V 1A 01 ... ... ...
    012 Condensateur 10µF 03 0,1 0,3 587-1352-1-ND
    013 Condensateur 1µF 03 0,28 0,84 445-1423-1-ND
    014 Condensateur 0,1µF 03 0,36 1,08 399-4674-1-ND
    015 Diode de roue libre 04 0,44 1,76 SS14-E3/5ATGICT-ND
    016 Composant multiplexeur/ATtiny44 02 ... ... ...
    017 Conn Jack PWM 2x5.5mm 01 2,21 2,21 1470-2757-ND
    018 Conn header SMD 1x2 02 0,1 0,2 ...
    019 Conn header SMD 1x6 02 0,1 1,06 ...
    020 Conn AVR ISP 2x3 01 0,62 0,62 ...
    021 switch interrupt 01 .. ... ...
    022 PCB 01 5,622 5,622 ...
    023 PLA 01 .. ... ...
    5. Where will it come from?

    Most of the material will come from my fablab KeoLID. But equipment such as electronic relays, multiplexers must be purchased since KeoLab does not have them.

    8. What processes will be used?

    The design process is as follows:

       The chip circuit design on eagle, and burn the PCB with modela, then solder the components. Next upload the program to the chip;

       The circuit design of the electronic relay having outputs and a GND in common.

       The circuit design of the two multiplexers, in case I don't have a multiplexer I will use attiny44s.

       The design of the RGB circuit, and production of the led model in the form of the Bluetooth logo.

       The design of the power supply circuit, having 3.3V; 5V; and 230V; at its limits

       The modeling and printing of the box to contain the set.

    9. What questions should be answered?

      How does chip login actually work and how do I login through an app?

      How do I collect these giveaways?

    9. What questions should be answered?

      How does chip login actually work and how do I login through an app?

      How do I collect these giveaways?

    10. How will it be evaluated?

    The evaluation of the cost will depend on the price of the components used and the effectiveness of the finished products.