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Old 05-05-2016, 10:21 PM #1
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Default smd driver issues

-- from a non -member(for now lol)

'.....
 
concerns regarding the use of the Aixiz laser driver and am currently unable to get a reading off of the driver. We have attached it to a load to measure the voltage which we can use to measure output current. The load consists of a series of rectifier diodes attached to a 1-ohm resistor. The rectifier diodes simulates the voltage drop of the laser diodes we plan to use and the 1-ohm resistor is used to give us the voltage which can be translated to current. (Attached is a diagram explaining the concept behind this load). However, the output is reading 0.00 mV.
We have soldered wires onto each of the connection points with the exception of the "Laser Diode -ve or null" on the diagram provided to us (attached below) and would like to know if you could assist us. The setup is as follows:
The "Power & TTL -ve" is attached to ground.
The "TTL control +ve" and "Power +ve" is attached to a 5V source
The "LD -ve" is attached to the cathode end of the rectifier diode
The "LD +ve" is attached to the 1 ohm resistor
We are planning to power it with the arduino, however we have tried powering it with 5V DC through the arduino and a myDAQ and still not results.
Based on the connections and what is written, is there a problem with the setup and if not, do you have any idea what the problem may be?
pics in a sec

my 1st thought was he had put power to the TTL which should shut the driver down.. a problem I have seen before-



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Old 05-05-2016, 11:08 PM #2
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Default Re: smd driver issues

bumping with pics I hope
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
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MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
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Old 05-06-2016, 04:59 AM #3
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Default Re: smd driver issues

Are you talking about this driver?
I can't see any pics. My guess if it is that driver, is their supply current isn't enough or not high enough voltage causing the load diodes forward voltage lowering the voltage at the resistor to nothing. Hence no reading.

Last edited by binarycode; 05-06-2016 at 05:22 AM.
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Old 05-06-2016, 05:13 AM #4
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Default Re: smd driver issues

he sent me pics in a email WAY too large- spent an hour I will never get back trying to resize and upload.

if you PM am email addy you can look and be a good friend and post them here for me- I tried to +8 you but apparently I repped you not long ago --in older MS windows resizing was super easy- now its a pita..
Id like to punch Bill Gates in the throat.
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
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Old 05-06-2016, 05:24 AM #5
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Default Re: smd driver issues

A that image should have been a hyperlink.. I changed it now and sent you a PM.
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Old 05-06-2016, 05:35 AM #6
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Default Re: smd driver issues

had to take pics of the pics with my camera set for 600x800
sry for the poor quality.. he got one of those good dummy/test load kits from Odic-Force(UK) top notch place and very clear directions- afaik he build the dummy load right..and he has it set up right-- waiting to hear if he had power going to the TTL- that 'turns' the laser off-- no power it is full on.
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
Guide DIY Pjs by Dan-
http://nqlasers.com/scannerreference/index.php?title=Main_Page
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Old 05-06-2016, 07:02 AM #7
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Default Re: smd driver issues

From the picture I see only one diode for a load. Not sure what the voltage drop is on it so it could be the issue. I also always see the resistor being on the other side of the diode for testing mv across. When I set up that same driver I put a 1n4001 diode from VCC to ttl + But I was also running the driver at 7.2v. The power supply is not in the pictures so we cant tell how much current the driver is getting.
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Old 05-14-2016, 06:33 AM #8
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Default Re: smd driver issues

well =I think he found the problem --he has not replied to all I/we sent him-- so no gnus good gnus.
TY for the help AixiZ appreciates it!!!
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IF YOU ARE NEW HERE- READ ALL THIS http://laserpointerforums.com/f37/an...ml#post1353314
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powered by PANGOLIN-ILDA Member since 2014.

QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
Guide DIY Pjs by Dan-
http://nqlasers.com/scannerreference/index.php?title=Main_Page
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