Week 9
Output Devices

Goal

Group assignment:
Measure the power consumption of an output device
Document your work to the group work page and reflect on your individual page what you learned

Individual assignments:
Add an output device to a microcontroller board you've designed and program it to do something

Learning outcomes

Demonstrate workflows used in controlling an output device(s) with MCU board you have designed

Sample Headline

Linked to the group assignment page
Documented how you determined power consumption of an output device with your group
Documented what you learned from interfacing output device(s) to microcontroller and controlling the device(s)
Described your design and fabrication process or linked to previous examples.
Explained the programming process/es you used.
Outlined problems and how you fixed them
Included original design files and code
Included a ‘hero shot/video’ of your board

Due to problem with the production of CNC and PCB, this week will only be theoretical.

Electric Consumption

For a direct courant circuit like our PCB, the calcul of electic consumption is very simple

P = U x I

With P for the power in Watts, U for the tension in Volts, and I the intensity in Ampere.
To find the U and the I we can plug the PCB on a DC generator on the tension the system need (in our case 5 V).
The DC generator will show how many amps the system consum at this time.

To have the consumption we need to multiplie by the time in hours to have Wh, and if the number is to big , divide by 1000 to have kWh.

Output device

We can plug a lot of defferent divice on our board, here i will focus on how we control a Servo.

This device is used to moving part, but not like a motor that spin, this move on a precise angle.
Its comon in the RC univers to control direction of an RC Car or the wings of a plane.

Week 9 Output Devices