Yes the pot (IMAG0614.jpg) and 5V reference allow adjust output voltage to LED from 0 to max
TTL/PWM signal working properly
https://drive.google.com/drive/folders/0B4hCH8A0_bH-TXo5TEVueXBUcmM?usp=sharing
IMAG0605.jpg - TTL off
Frequency and duty cycle
IMAG0606.jpg - TTL power 5%...
I also cannot find that information, only in picture
I try to hook up the pot - nothing, as I understand the pot set max Amps not Voltage
https://drive.google.com/drive/folders/0B4hCH8A0_bH-TXo5TEVueXBUcmM?usp=sharing
IMAG0593.jpg - power supply set to 12V
IMAG0595.jpg - multimeter...
According to
BlackBuck 8M - 8A Buck Laser Driver - NDB7A75, NUBM44, NUMB05, NUBM06, NUBM08 | eBay
On picture with tag "The connection method if you are not using external modulation sources"
on laser diode or LED must be 2...5 V forward voltage
but I received around 10,5V...
Hello,
As I told - I just replace laser diode and look at movie VIDEO0012.mp4
https://drive.google.com/drive/folders/0B4hCH8A0_bH-WGYtdk16cU5zUkU?usp=sharing
everything are perfect.
it diode.jpg my old diodes, they light but not burn.
Lens, driver, power supply - same.
Any ideas...
Yes everything was OK till I connect multimeter.
check https://drive.google.com/drive/folders/0B4hCH8A0_bH-WGYtdk16cU5zUkU?usp=sharing
file engraving.jpg
At this moment I didnot have laser power meter but today I try to assemble diy laser power meter according to this
Laser Kids - How to...
Its not possible, I connect diode via driver, engraving few days maybe 5 hours in total for test after that I connect a multimeter to check the Volts and Amps and at that moment my diode stop fire. Laboratory power supply I connect just for additional test.
Problem happened when I connect...
Hello
I known a difference to hooking up the multimeter for Volt and Amp
Check photo - https://drive.google.com/drive/folders/0B4hCH8A0_bH-WGYtdk16cU5zUkU?usp=sharing
Amp 1-3 jpg - hooking up the multimeter for Amps
Volt 1-4 jpg - hooking up the multimeter for Volts
lps 1-3 jpg - with...
Hello
I have chines laser driver this one (12V TTL 1W 2W 3W 445nm 450nm Laser Diode LD Driver Power Supply Stage Light | eBay)
and blue laser diode from DTR's Laser Shop A-140 and M-140
For calibrating laser driver I connected in parallel laser diode and my multimeter Uni-T UTM171B and after...