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Started the Public Market Validation here, Figure i'll end it here too. Link to: The Project Page Raised a good amount of money. Starting next week ill be refunding all donations. I have frozen the donations and made all donations hidden. It sucks, that so-many people are so cynical. Since...

Wow we agreed on something

Yes, I am an electronics engineer. I Have/do work for a few Artists. There are several pieces on display at a few different art galleries in DC. I take there ideas and make them real for them, Design and build the electronics and some of the mechanical parts of it too. Here are two that I...

Maybe? Can always place order the old fashion way, call over the phone to order. Or ignore the ssl and use a disposable pre-paid gift card. Most likely be ok, I’d call first to ask them before ordering.

Can use a strong flashlight shine through the egg and you can see if it is a double yoke. Edit: So I saw that on cnn years ago. I just grabbed my strongest flashlight (cheap) and an egg. Results: Think I can make out the yoke but it’s very difficult and unclear. It is not like what they...

IMO. To me a projecting laser would be a tactical disadvantage. Maybe beneficial in CQB but not at range unless your trying to draw attention. Giving the high risk of eye strikes, I would not do it (maybe it’s a show thing and not used in combat). Keep it below 1mw and to get longer...

First Read Laser safety. And buy a good trusted Laser Safety Glasses. Im still new to this level of lasers myself. Please do a Intro post about yourself.

Great Build, 493nm color is sweet. ps: It want let me give you any rep.

Moving this over here as its a better fit. Original Post last edited Thank you, GSS for the good questions. :thanks: Add another one to the issue list. What prevents the hotel from turning into an apartment building? There are limits set, that people will not hit if they are not trying...

Deleted it and Tried to PM it but it would not. That is awesome! What is it called and is there a URL? You are one of the lucky ones. Only 26 percent of cities currently have makerspaces (very loose definition). Many are established in libraries and YMCAs (483 in North America) but not to...

1st post is the OP (Original Post) that should have only critical edits only. Thats my opinion as for 1st posts in a thread. this is like necro’s in ways.

Can not go back and add one later on, if needed (contingency and redundancy). Did not want it in the #1 post.

I did not want this thread to be about me. But ill answer the question. Thank you, GSS for the good questions. :thanks: Add another one to the issue list. What prevents the hotel from turning into an apartment building? There are limits set, that people will not hit if they are not...

Both are good. I find a lab-style laser side of it intriguing. :crackup: valid point. lol paul1598419: this thread is not about money. This thread is not about that. There is a thread for it already. Don't know why you have such a vendetta for. I have never wronged you.

Me too. Whats the application? I can think of one application that could use a very wide divergence that is acceptable (ie not a weapon).

Place holder #2

Place holder

Everything starts with an idea that turns into a dream. What is Your Dream laser Lab or lab-style laser? Laser and optics related since this is a laser forum. But other workshops is ok too, like wood, metal, electronics.

I’d use a few tandem circuit breaker that turns one slot into two 120v breakers. Do a few of those and you’ll free up enough space to fit a full size 240 breaker. Or do a sub panel. All 2nd means of disconnect require all grounds and neutrals to be separated and remove the neutral/ground...

the circuit i posted cold be its own board. the smps controller should be the 5 pin TO-220 package on that heat-sink? Judging by the photo. also looks like there using a mosfet or transistor to boost current ability. the LM358 Op-amp could be important and a possible point for modification...