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@FXplasmaYT Had a general idea of what I was going for but mostly just snapped parts together until it worked

@ cool!

@@WhelenWPS3000 This particular panel was based almost directly on a project from Snap Circuits Light either called "Stuck On Light" or "Stuck On Fan" or something similar. It uses transistors to create a latching circuit that stays on when two points are shorted and resets when power is cut

@@WhelenWPS3000 I already have a video ready about the bigger panel too if you would rather make that instead, I just need time time

@@WarningSirensOfMichiana I'm glad you were right! I'm very happy to be able to have seen this, the teachers who helped me were very kind.

@@ajb98YT A lot of people are asking about this, I have a video ready to post eventually about it. To summarize I use the SCR component to create a latching circuit and a disable-able oscillator circuit running through a relay with capacitors to make the nac. I'm using a snap circuits power supply with short circuit protection so I just short it with a button to momentarily cut power and reset it.

When will you post?

Ya

@@Southwest737swa Nice! Do you know what model it is?

@@Tigers9596 Thanks! I'm definitely going to do more with this in the future

@@otyplumbingofficial All it really is is a latching circuit with a couple of components and a smaller circuit wired in parallel

@@FluidSack I already have a video recorded about how it works and why it's built the way it is, but I haven't posted it yet. Keep in mind it takes parts from several kits too

Ok thank you

I am getting my son the snap circuits extreme hopefully that's enough

@@FluidSack That's great! He should be able to make something similar, but probably a bit smaller. In short I used the SCR to make a latching circuit and the relay is the nac (with a separate set of batteries on the switching side). I used the "0.5-20hz oscillator" project to make it coded by feeding its output through the relay's coil with some capacitors across it to lengthen the pulse. The alarm LED and piezo are wired in parallel with the oscillator and I just turn off the circuit briefly to reset it. Hope this helps!

Just so you know he also has a lot of other parts such as well I kind of forgot but he does have two button switches one switch and some capacitors from what I remember

@@chiefac594 If only it did full voice evac. 500hz continuous is boring

@@MichanaAlerting Awwwwwwww

That was quite a night...

@@AnArcticBlueFox Indeed I do! Glad to hear someone’s keeping track lol. They’re not being used at the moment but I think I might have more videos of them if you want to see them

Also crap I forgot to post the unboxing video before I posted a video of the alarm itself 😅

@@WarningSirensOfMichiana MF had a 2001 with 2903s??? In my time it was smartsync truealerts on retrofit plates and probably a 4010. I think it’s probably still up but it might be ES’ed by now

@@MichanaAlerting yep! Sadly never got to hear it go off though. I would imagine the current system was installed around 2009, as that's when the first round of replacements took place in some of the older PHM elementary schools. PV's system was replaced around that time, as well as Elm Road's. Elm Road had an old ADT Unimode with old ADT branded Faraday horn/strobes, and ADT "t bar" pulls.

@@WarningSirensOfMichiana Wow, I really missed out on PHM's fire alarm golden age lol. Were any of them set to anything besides continuous?

@@alrmfire1 Mostly, both devices are flashing when I disconnect the power momentarily. Normally that's how smart sync works but apparently it works for my commander too

A little bland, but it does the job!

@@SouthernWXMedia Thank you!!!

You’re welcome!

Awesome! Its too bad that my first Whelen had to only have 3 drivers in it though

@@MichanaAlerting that’s cool though, I don’t even know of any in Wisconsin, seems to be pretty rare.

@@SirensOfWisconsin1679 I think they are. It doesn't really make sense to get one with less power for most purposes, but I guess Fort Worth's gotta do what Fort Worth's gotta do

@@MichanaAlerting yeah

@@alexandersfirealarms Thanks! I discovered this by accident

@@XENORIK136 Elenco Snap Circuits. This wasn't a kit, I made it from scratch

@@MichanaAlerting thx

@@Zaire-q8q because that's what the weather was that day

Fort Worth's system actually consists of R3s for some odd reason

If it was an R3, then it would have 3 Horn Tubes. This one has 4 so it’s an R4.

@@JamesSpeed65 R3s just have 3 drivers but still 4 throats. I think it's weird too, but I guess it'd be much more expensive to make 3 other unique designs

Thanks!

@@WarningSirensOfMichiana Penn High School

@@tronicsterspeaker9946 It's the thing that holds the wrestling mats when they're not in use. They're rolled up and put in this long cradle/sack and a winch lifts them off of the ground for storage

@@MichanaAlerting oh

@@tronicsterspeaker9946 It's complicated. Required weekly tests are every Wednesday between 11 AM and noon, but usually around 11:30 so I just sit and wait with a camera. In this case I just hit record, left for school, and it had enough memory to catch the test. For actual alerts there's a website online called "IEMBot Monitor" that can make a sound a few seconds before the alert, but it's kinda inconsistent for IWX. I usually just sit in my room with my camera ready and the radios broadcasting, and I quickly hit record whenever I hear SAME headers.

oh it must be tiring to do that but keep up the good work

@@tronicsterspeaker9946 Thanks!

ikr?

I would but I have no coding experience at all outside of block coding. I tried to make something in Tinkercad's simulator based off of 4050-80's design, but it didn't end up working out.

Hope you enjoyed it!

Thanks 😊

@@That_2_guy2T Thanks! Which one do you got?

Since when did you own a UL listed panel 💀

Some of the newer speakers are just louder, I don't know why. Also I think I actually killed my amplifier module (U4) in doing this because I cranked the volume too high

@@MichanaAlerting i could send you a video showing you how loud mine is. maybe that might work?

@@AnArcticBlueFox sorry, I don't feel very comfortable giving out any of my contact information right now. It isn't REALLY that loud, I didn't need hearing protection at all

@@MichanaAlerting ok i respect your privacy 👍

@@AnArcticBlueFox Thanks for understanding!

That's okay, this was actually recorded a long time ago and I'm ready to come back soon. Just need to get my lazy butt off of UA-cam and actually try to record a clean take lol

It already does, that's what the batteries are there for

That's why the panel stayed on when I unplugged it's power supply

Thanks! It's on my bucket list to someday make a video on how the panel works, but I have so many other videos to post first that it's a pretty long shot

Unfortunately I can't. My panel can't do code 3, this bell has been disassembled because this video was filmed several years ago, and if I ever do make a video coding it by hand it might be a while. Sorry!

You got it!

@@MichanaAlertingI'm pretty sure the 4903-9148 is a Selectable 30CD Speaker Strobe Simplex also makes additional 15CD 4903-9150 and 110CD 4903-9149 models. And I believe the two TrueAlert 4903-9426 Horn Strobes are the 4 Wire 75CD models and there's additional 15CD 4903-9425 and 110CD 4903-9427 models for those too. The 4 Wire TrueAlerts are some of my favorite TrueAlerts.

@@aidanthetoiletelevatorfire7554 I can't confirm the candela on the TrueAlerts but the 4903s have a "30 CD" sticker in the strobe

@@MichanaAlerting You could always look in the direction where the strobe flashes whether it says '15CD', '75CD' or '110CD'. The candela sticker is located on the left corner of the strobe reflector so underneath. If it's a multi candela you could always look on the side whether it says '15', '30', '75', or '110'. If it's a high candela model it would either be '135', '177' or '185'.

​@@aidanthetoiletelevatorfire7554 I think they're all on 15CD. Every one I've checked has said that and none of them in the entire system are particularly bright.

Yeah

You might be right, it's kind of hard to tell. Someone was running some sort of engine in the background and the mic was set up near a running car, so it might've just been the noise cancelling dying down when it heard the other sound. There weren't any trucks THAT close when it started, and I'm pretty sure the system's coverage is good enough that you can hear one siren from another. I may be wrong and this may have all just been a coincidence, but I like to think it was a distant siren because the video's already been edited and it makes the experience feel a little bit more unique