[beagleboard] square wave output PWM but voltage change to 5V

[quiteadream]

I am outputting three square waves and I need to change the output voltage 
into 5V. Is there any way I can change the voltage?
 
I use Cloud9

Here is my code:
 

var b = require('bonescript');
b.pinMode('P9_14', b.ANALOG_OUTPUT);
b.analogWrite('P9_14', 0.5, 1000, printJSON);
function printJSON(x) { console.log(JSON.stringify(x)); }

var b = require('bonescript');
b.pinMode('P9_22', b.ANALOG_OUTPUT);
b.analogWrite('P9_22', 0.5, 1500, printJSON);
function printJSON(x) { console.log(JSON.stringify(x)); }

b.pinMode('P9_16', b.ANALOG_OUTPUT);
b.analogWrite('P9_16', 0.5, 2000, printJSON);
function printJSON(x) { console.log(JSON.stringify(x)); }

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[beagleboard] analogWrite not working ERROR: Exception: Please perform setTargetAddress on a valid target

[quiteadream]

I am trying to run the code below on my beaglebone black but it is not 
working

*var b = require('bonescript');*
*b.analogWrite('P9_14', 0.7, 2000, printJSON);*
*function printJSON(x) { console.log(JSON.stringify(x)); }*

but I am getting this error

*Exception: Please perform setTargetAddress on a valid target*

Does anyone know what I did wrong?

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[beagleboard] unable to login to root after I updated my beagle board black to debian 9 images

[quiteadream]

Hello,

I am new to using a beagle board and I just updated it to the debian 9 
images. Before I updated it, I was successfully logging in to root without 
a password through Putty. *I never created a password for root.* After I 
updated and flashed it to the board, i was asked for a password for root 
whenever I logged in and I do not know what password to put in. I have 
tried 'temppwd' and that did not work. I tried logging in to debian and 
that has worked successfully.

*it looked like this in Putty after the update:*

*login: root*
*root@192.168.7.2's password:*
*Password denied*

Can I just use debian or am I supposed to login to root every time? I have 
a project involving this beagle board and I was wondering if logging in as 
debian is fine.

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