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当前版本: AmandaLi ,

标题:

How to solve 2n2907 Transistor Troubles or 2n2907 Replacement

文本:

Good day! [br]
 
I
I
am having '''issues''' '''obtaining''' my board to drive a 2n2907 '''semiconductor[https://wintronic.hqew.net/nocate/product-detail/1030588|2n2907] '''semiconductor unit''' '''and will''' use some '''concepts'''from the community.[br]
I
I
am having '''issues''' '''obtaining''' my board to drive a 2n2907 '''semiconductor[https://wintronic.hqew.net/nocate/product-detail/1030588|2n2907] '''semiconductor unit''' '''and will''' use some '''concepts'''from the community.[br]
 
[br]
 
 
First, if I '''merely''' run the board '''blank''', '''this offers''' '''American state''' roughly 5-Volts on pin A7:[br]
 
 
[br]
 
 
Code: [Select][br]
 
 
[br]
 
 
void setup() [br]
 
 
[br]
 
 
[br]
 
 
and '''this offers''' '''American state''' '''zero'''.001V on pin A7:[br]
 
 
[br]
 
 
Code: [Select][br]
 
 
[br]
 
 
void setup() [br]
 
 
[br]
 
 
[br]
 
 
I have '''conjointly''' tested the '''higher than''' on pin D13 with '''a similar''' behavior.[br]
 
 
[br]
 
 
I have a PNP '''semiconductor unit''' 2n2907 that I '''will''' manually drive '''with none''' '''problems''' at +5V on the collector if '''i take advantage of''' a 1kohm '''resistance''' on '''the bottom''', connected to ground. '''the matter''' is '''that when''' I connect it to the arduino board on, '''i'm''' unable to drive the {transistor|junction '''semiconductor unit'''|electronic transistor|semiconductor device|semiconductor unit|semiconductor} with any measureable '''modification''' I cannot '''flip''' the transistor on or off - it '''merely''' floats its '''electrode''', and shifts roughly '''zero'''.2V between being '''force''' high and low through the Arduino. '''this straightforward''' '''take a look at''' '''does not''' work '''to show''' the '''semiconductor unit''' on.[br]
 
 
[br]
 
 
Code: [Select][br]
 
 
[br]
 
 
void setup() [br]
 
 
[br]
 
 
[br]
 
 
Is there '''one thing''' that '''i am''' doing wrong here? Thanks in advance!

设备:

Electronics

状态:

open

原帖由: AmandaLi ,

标题:

How to solve 2n2907 Transistor Troubles or 2n2907 Replacement

文本:

Good day! [br]

I am having '''issues''' '''obtaining''' my board to drive a 2n2907 '''semiconductor unit''' '''and will''' use some '''concepts'''from the community.[br]

[br]

First, if I '''merely''' run the board '''blank''', '''this offers''' '''American state''' roughly 5-Volts on pin A7:[br]

[br]

Code: [Select][br]

[br]

void setup() [br]

[br]

[br]

and '''this offers''' '''American state''' '''zero'''.001V on pin A7:[br]

[br]

Code: [Select][br]

[br]

void setup() [br]

[br]

[br]

I have '''conjointly''' tested the '''higher than''' on pin D13 with '''a similar''' behavior.[br]

[br]

I have a PNP '''semiconductor unit''' 2n2907 that I '''will''' manually drive '''with none''' '''problems''' at +5V on the collector if '''i take advantage of''' a 1kohm '''resistance''' on '''the bottom''', connected to ground. '''the matter''' is '''that when''' I connect it to the arduino board on, '''i'm''' unable to drive the {transistor|junction '''semiconductor unit'''|electronic transistor|semiconductor device|semiconductor unit|semiconductor} with any measureable '''modification''' I cannot '''flip''' the transistor on or off - it '''merely''' floats its '''electrode''', and shifts roughly '''zero'''.2V between being '''force''' high and low through the Arduino. '''this straightforward''' '''take a look at''' '''does not''' work '''to show''' the '''semiconductor unit''' on.[br]

[br]

Code: [Select][br]

[br]

void setup() [br]

[br]

[br]

Is there '''one thing''' that '''i am''' doing wrong here? Thanks in advance!

设备:

Electronics

状态:

open