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Yesterday, 10:32

PhantomRage replied to a thread old manual or documentation for DMX board? in Help!

Thanks for the upload and sharing of the file. explains the two power supplies mounted to rack mount plate this was also attached too.,

6 replies | 8403 view(s)

Yesterday, 08:51

nuphotonix started a thread BUYING : Laser DAC's in Buy/Sell/Trade

Looking for DAC's... what ya got?

0 replies | 26 view(s)

03-06-2026, 17:54

PHlex started a thread SELLING : Kvant Clubmax 6800 FB4-GK in Buy/Sell/Trade

Up for sale is a Kvant Clubmax 6800 FB4 Laser Light Fixture., Unit only This has been tested and working. Good used condition. Some wear from normal use Asking for $2500

0 replies | 50 view(s)

03-05-2026, 14:31

Slide replied to a thread OPT 40, DT40, DT50 Scanners? in Laser Displays, Shows, and Scanning

Thanks for the info. I just got an email from OPT today saying they are back at work from the national holiday. I'll check to see if they actually installed the DT40's I ordered. All will be revealed... Craig

13 replies | 142851 view(s)

03-05-2026, 13:53

mixedgas replied to a thread OPT 40, DT40, DT50 Scanners? in Laser Displays, Shows, and Scanning

The OPT ones I've tested have some subtle differences from the same class of DT , especially in the amps. I could be wrong. But I think at least the PCB and mounts come off different production lines. Steve

13 replies | 142851 view(s)

03-04-2026, 09:53

cfavreau replied to a thread Donation Link in Administrative News

Drrrpp de drrrpp. I guess I went from feeling dumb... to being dumb. Thanks for taking the time to give me an answer Chris.

2 replies | 245 view(s)

03-04-2026, 08:44

swamidog replied to a thread Donation Link in Administrative News

right here! :)

2 replies | 245 view(s)

03-04-2026, 06:19

cfavreau started a thread Donation Link in Administrative News

Is there anywhere we can send whatever to support the keeper of PL or the upkeep of the PL? Maybe a donation link or something?

2 replies | 245 view(s)

03-03-2026, 19:47

Slide replied to a thread OPT 40, DT40, DT50 Scanners? in Laser Displays, Shows, and Scanning

Sorry about any neck strain from the sideways pictures, Craig

13 replies | 142851 view(s)

03-03-2026, 19:44

Slide replied to a thread OPT 40, DT40, DT50 Scanners? in Laser Displays, Shows, and Scanning

An update on the OPT 8W projector story. Ordered 3 more 8W RGB projectors with D/G wheels from OPT. Two will be above the spring line in an certain planetarium installation,and was pleased to learn that they can be made with white cases. Got the DT 40 scanner upgrade for a few bucks on all....

13 replies | 142851 view(s)

03-03-2026, 09:47

DZ replied to a thread Laser Oscilloscope App for iOS in The Lounge

Thanks, Hank! Depends on the iOS device, if you have a device with lightning, there's an iOS lightning camera adapter. It has a connection for power and a USB port. If your iOS device has USB C, you can use a simple USB C to USB A adapter or something more complex like the iOS USB C to Digital AV...

3 replies | 475 view(s)

03-03-2026, 09:37

mixedgas replied to a thread Steve's useful Circuits thread in Advanced Technical Discussion

The mica and quartz sand mines in South Carolina need to be protected with anti-missile systems, but I digress. Attached is today's interesting circuit, using LM or NE 555 as Base, Gate or Cable Drivers. The sub 200 nS switching time is respectable when driving a large gate capacitance, ...

4 replies | 1175 view(s)

03-03-2026, 09:08

mixedgas replied to a thread Laser Oscilloscope App for iOS in The Lounge

Will it run on a IPAD or just IPhone? Steve

3 replies | 475 view(s)

03-03-2026, 04:23

HankLloydRight replied to a thread Laser Oscilloscope App for iOS in The Lounge

Very cool DZ! I'll have to give it a shot. How do you connect the WAVE-USB to the iPhone? And yes, Claude is freaking awesome. I'm about a month away from announcing my own WAVE recorder -- I dropped ESP32 and refactored my entire project onto Raspberry Pi, and it's been going great. And...

3 replies | 475 view(s)

03-02-2026, 22:52

Greg replied to a thread CYGN-B in The Lounge

I set my system to time machine mode and looked back at an original LII specimen of the kind of choreography I'm still trying to figure out. Note it is just using curve pong, no joysticks or input from me except the cycloid. It's here in this video if you want to see it:...

1036 replies | 5939205 view(s)

03-02-2026, 18:56

DZ started a thread Laser Oscilloscope App for iOS in The Lounge

Howdy folks! So, a quick back story. I moved across country about 6 months ago and the vast majority of my laser stuff has been in storage. Until we settle into a new home this summer, I've been dying to mess with lasers. SELEM can't come soon enough! About a month ago Buffo turned me onto this AI...

3 replies | 475 view(s)

03-02-2026, 00:32

Greg replied to a thread Steve's useful Circuits thread in Advanced Technical Discussion

What the world wouldn't have been without mica.

4 replies | 1175 view(s)

03-02-2026, 00:22

Greg replied to a thread Steve's useful Circuits thread in Advanced Technical Discussion

For some time I've wanted Yuletide cycloidery to be a thing. Nice to know I'm not the first. Hey Steve. I enjoyed that history of analog multipliers you gave us a while back. I'm reading a paper by Cockcroft and Walton about how they first disintegrated elements with high velocity protons....

4 replies | 1175 view(s)

03-01-2026, 11:35

orestis started a thread Mamba Black v1.9 in Help!

Hello everyone i just have a dongle Medialas Mamba Black v1.9 and Its License Disk but i cant find the software can someone send it to me or help me to find it !

0 replies | 416 view(s)