User:Navid jahanpour/enes100/my work02

Write problem/project Goal
What is your wording of the overall problem/project goal? my second project is abut the flashing fiber that control by smal high frequncy signal genrator. i have to design the new signal genrator to flash the fiber led with adrino.

My First Task
What are you going to do for the team this first weekend? frist i try to figur out what is the out put signal in black smal box because i need it for the adrino i need the frequncy that i need for flash on and off and dealy that i have to put in program so use osc for see the out put signal you can see on picture

Summary of actual work over six weekend
I want to compare the out put of the black box and adrino voltage on OSC Because black box can drive the optic long led but adrino cant may be some Thing wrong on voltage signal from or domination.

Week1 Narrative
Frint i conract the Osc prob to the prot 13 and gnd port you can see the Out put signal on picture 1 and the domantion of this signal is 2 avr. in other side i contact the Osc prob to the black box out put port but there are big defrence the from os signal was three angel but it dosnt mater but the domination of voltage is defrence its 280 avr volt. this is the Problem that the adrino cant drive the optic led.the out put of black box shown with\ 1/1000 i use the red Hv prob to senc it.

My second task
such as the this week i have the big problem with adrino on domanation of out put voltage for next week i have to got the transformer and some part of borken board of black box i desgin the out put part of black box circut.for change the domination of the adrino voltage.

Summary of actual work over seven weekend
this week i want to pike up the some part of the black box

and contact it to android i have to get the transformer and some other

part.

Week 2 Narrative
first prat that i get of black box board is the small Hv transfor mer

this trans change the domination of the voltage form 5 volt to 280 dc

volt i use the heater and vacum for pike up the transformer from board

then i have the some part in out put part of board two captur and one resistance

the capacity of the both capture are 100 nF and resistance is 3K on of the captue

with resistance fix the out put ferquncy to 3K hz and other cap just for filtering

after that i join the all of these parts voltage level such as shown in the picture

two is to low and not enough to turn on the led.

My third task
for next week i try to figure out why the voltage level is down on the out put of transformer

Summary of actual work over 8 weekend
For this week i want to test the some elctronic part Like than transistor and transformer in black box that Used for LED I want to show how we can test the Pnp transistor and how we can test the transformer.then i want to fix the circuit that control the led.

Week 3 Narrative
first i want to show how we can test the Pnp and npn transistor i show the some video from you tube but first we need to know what is the transistor i show with video from you tube you you can see the video clicking on the internet link:

[|what is the transistor]

now i want to show how we can test the transistor you can see the video by clicking

on the link  how to test the transistor and here is the another link to learn the how to test the transistor

how to test the transistor

so after that i got the transistor from circuit and test it i understand that transistor have the problem and born so waht is the next step i have to find the another transistor for circuit now how i can understand witch transistor is useful for mine circuit i tell the esay way to identify the same transistor. there are some number on the transistor first you have to read it i show on the picture two transistor one of them is past and not working transistor and second one is the new transistor that i pike of the transistor box so you have to look on the transistor for example in this case i use the MPS 6522 PNP transistor that i find in transistor box instaet of 3855 transistor how i can understand that i can use 6522 instaet of 3855 such as i said befor you have read the first transistor data sheet on the transistor and then you have to wright it in the any data sheet website and compare with some other transistor to find the usefull device for example i use the this web site: [http://www.datasheetcatalog.com you can find and elctronic device data sheet here and here is the transistor data sheet that i used

after that i check the transistor i want to explain about the transformer and what is the transformer you can see the video from youtube that i upload what is the transformer what is the transformer 2 after this two video i want to show video about the how to test the transformer

how we can test the transformer in the end after that i test the transistor and change the damged with new one circuit start to work.

My 4 task
for next week i want to work more on the black box circuit and understand how i can mix it with ardino circuit.i have to find way to contact the transformer in safe mode to ardino or have to find to amplify the 2 volt to 200 volt with low Amp.