Changes

##Rub the substrate with the pad until the traces have a shine to them, rather than a dull appearance.

##Rub the substrate with the pad until the traces have a shine to them, rather than a dull appearance.

##Replace the burnishing pad back into the drawer <br /> <br />

##Replace the burnishing pad back into the drawer <br /> <br />

#''The Solder Paste''

#''Aligning the Paste''

##At this time, retrieve the solder paste from the fridge and set it out to warm. The correct paste is labeled with a '''orange''' sticker.  

##At this time, retrieve the solder paste from the fridge and set it out to warm. The correct paste is labeled with a '''orange''' sticker.  

##Take the board back to the Voltera.

##Take the board back to the Voltera.

##Click "Probe." This will measure the height of the board.

##Click "Probe." This will measure the height of the board.

##Remove the probe and replace it in the drawer. <br /> <br />

##Remove the probe and replace it in the drawer. <br /> <br />

#Priming the Paste

#''Priming the Paste''

##EXplain the priming process

##'''Explain the priming process'''

##Mount it. Click next

##Mount it. Click "Next."

##Click dispense. The paste will dispsnce onto all of the selected pads.

##Click "Dispense." The paste will dispense onto all of the selected pads.

##Strive for good coverage of paste.See pic

##Strive for good coverage of paste. See the picture below.

##Click next.

##Click "Next."

##Remove the dispense. Twist the knob to back off paste. '''Put it back in the fridge'''Click next

##Remove the dispenser. Twist the knob clockwise to back off the paste. '''Put it back in the fridge.''' Click '"Next."

##Quit the Voltera app.

##Quit the Voltera app.

##Unclamp the board from the Voltera. Remember that you are now handling a board with wet paste.

##Unclamp the board from the Voltera. Remember that you are handling a board with wet paste. <br /> <br />

#Pick and PLace

#''Pick and Place Components''

##Clamp the board.

##Clamp the board.

##Power on the Pick and Place. The switch is on the back

##Power on the Pick and Place machine. The power switch is on the back.

##Click place. Click Man

##Click place. Click Manual

##To move the turntable, select turntable, and use the arrow keys to move it cw or ccw.

##To move the turntable, select turntable, and use the arrow keys to move it cw or ccw.

##The necessary components should be are stocked in the slots in the turntable.

##The necessary components should be are stocked in the slots in the turntable.

##Move the turnable using the arrow keys to retreive your next part. Repeat steps 8 and 9 until your board is complete.

##Move the turnable using the arrow keys to retreive your next part. Repeat steps 8 and 9 until your board is complete.

##Remove your board from clamps.

##Remove your board from clamps.

##Turn off the pick and place

##Turn off the pick and place <br /> <br />

#Back to the oven.

#Back to the oven.

##Power on the oven.

##Power on the oven.

##Reflow takes about three minutes. When its done, the board will eject. '''Do not touch the board when it is in the cooldown stage.''' The paste is actually soldifying. The oven will tell you when the entire process is complete.

##Reflow takes about three minutes. When its done, the board will eject. '''Do not touch the board when it is in the cooldown stage.''' The paste is actually soldifying. The oven will tell you when the entire process is complete.

##When complete, remove the board. '''The rails are probably still hot!''' Press enter to close the oven drawer.  

##When complete, remove the board. '''The rails are probably still hot!''' Press enter to close the oven drawer.  

##Turn off the oven  

##Turn off the oven <br /> <br />

#Testing!

#Testing!  

##Take the board over the power supply.  

##Take the board over the power supply.  

##Ensure to use '''the fixed''' '''5V''' connection on the power supply. Attach the positve and negative leads. Power on the PSU, and press the button. The LED should illuminate!  

##Ensure to use '''the fixed''' '''5V''' connection on the power supply. Attach the positve and negative leads. Power on the PSU, and press the button. The LED should illuminate!