Automatic arati player. What I need is a music player play audio file from SD card on a perticular time. Example: 1. Player should turn on at 06:00 am play audio track 1 for 26 minutes 44 seconds and turn off. 2. Turn on at 12:00 pm play audio track 2 for 19 minutes 55 seconds and turn off. 3. Turn on at 06:00 pm play audio track 3 for 22 minutes 12 seconds and turn off. 4. Turn on at 09:00 pm play audio track 4 for 16 minutes 11 seconds and turn off. Note: I am doing it with smart switch with scenes. Which turning on my Ahuja 250 amplifier and multimedia kit with USB TF AUX & BT. Timmer working fine but managing seconds are a problem here. And changing audio track every day is not what am looking for. Anyways managing adding blank audio to match the timing. I'm looking for fully automation. It's for a temple. Audio module with Arduino is a option here but I'm not a programmer. Is there any pre built device available please let me know? If anyone like to help me with this most welcome. I can offer a like a cup of coffee. Thanks in advance.
Can we look at your code we want to make this we were trying to use goertzel calculation method of decoding the length etc but it is not very reliable your method may prove to be better.
12years ago I had to make a system to play safety messages and some other audio tracks and at the time I was using a bu9437akv chip by ROHM. took ages to get this going and I wish these modules were around back them. I may have to redo the project soon so I will be using one of those modules in your video.
i just made one of these. Great explanation and steps. I had never used Teensy before and was able to do this without any major issues. I do have 2 issues a) The recorded volume is too low and b) might need to add a delay or additional logic on the playback button as it starts playing immediately before anyone can pick the receiver or it goes into recording mode.
Thanks for a genuinely useful video! So many other folks don't go into the actual nitty gritty on how to make the things work properly, but just hand-wave vaguely. This is far more useful! Now - if I could find a board like the ones you described here, but capable of stereo amplified playback and which autoplays on power-up... :)
This is fantastic Alistair, has anymore progress been made with it? I'm looking to use this exact process and would love some more instructional videos.
I recently stumbled across your channel while researching maglocks and found your videos to be extremely helpful, inspiring, and entertaining. As a woodworker who has an interest in learning more about electrical components and creative ways to incorporate them into projects, I can't thank you enough. Looking forward to all your future videos! Cheers.
Awh, thanks for the comment - that's really kind! (I'm trying to get better at woodworking myself, perhaps ultimately with the aim of crafting a puzzlebox, but some way off yet!)
Hi, great videos and content! Question regarding the DY-HV20T... the data sheet is a bit light on information... are you familiar with what logic level the pins are working at? I've seen videos with an Arduino connected directly, and discussions suggesting they work at 3.3V (hence I could then hook my esp32 directly to the board without a logic level shifter). Do you have any experience with this? Thanks in advance.
Can you make a tutorial on how to recreate the effect? I haven't found anything about how to code my own version of Skylanders, which I'd like to implement in a personal project of mine. Thanks!
I'd love to do something like this with removable parts so if I take it to a shopping centre during school holidays I can let multiple players have a go at 1 puzzle each to inspire them to book at my actual escape room venue, when I win the lottery!!
Hey Alastair, excellent idea, I'm developing a wild wesr room and getting the home depot 2024 Jack of Spades character for it and currently thinking now to make it interactive in the room, assuming HD ever get back to me with availability and price!!
3:00 How were you able to center the lazy susan around the point you chose, and the center of the object? I have just been eyeballing it, to not very good results ...
As always excellent vid. Very good that you cover the whole range … from screws, holes, all the way to coding. Suggestion of alternative is to use illustrations that actually does not depict things but rather shapes. Then you can integrate the pictures in a story of solving a geometric puzzle.
Clearly this can be done with a 4-input AND chip (well, maybe with a Schmitt trigger to buffer the inputs). So why did you choose Arduino? For consistency with other projects and expandability?
You can do it with 74 series logic but by the time you've laid out such things with schmit ttriggering to avoid false sensing, and a set/reset latch to drive the mag lock, you may as well use a cheap microcontroller. Additionally the microcontroller can be programmed for any combination you like, and its much easier to change than discrete logic I've gone down this rabbit hole myself and yeah, "throw a microcontroller at it" is quite a valid solution now, both in terms of flexibility and cost.
@@jaycee1980 That was basically what I wanted to know: whether it makes sense to make self-contained component using discrete logic that is guaranteed to work (taking "guaranteed" with a grain of salt, of course) versus making it infinitely versatile with a microcontroller.
I agree but….they are fragile. I built a table with challenge to set the table correctly for the guests. But the small glass tubes broke. Hall Effect sensors are an option to consider.
You could have a version of this puzzle where there's only like, 4 cards that have loads and loads of holes on them, and they're really long, and they have to push them in a certain distance (perhaps marked on the actual cards) and if you wanted to make it really really difficult, you could have a card that is on display, but can't be picked up, like, behind some plexiglass, and they have to imagine in their mind's eye what positions were being blocked and what symbol they'd expect to see. Too hard for most groups but if you made it really clear that the holes/non-holes related to different symbols or numbers, you could make a nice difficult version of this puzzle very easily
I hate that every single one of these boards is for micro SD only, none for full size SD or any other medium, just the most tedious one to deal with and easiest to lose
i've tried making this but I am having an issue. many times when the actuator is extending or retracting the relay wil just flip and start doing the opposite and then it may flip back and forth multiple times. any suggestions? I have it hooked up to a reed switch to go up and a button to go down. I have used a multimeter on the reed switches and they seem to work great i have also removed the button and just bridged the wires to eliminate if it was a button failure.
Love your videos but to be honest this one is a little too technical as i am not a coder and want to create an AR app for my college Treasure hunt the one which you released a few years ago i could follow that and create a simple AR app this one is way more confusing and technical
First of all, thank you for sharing your videos as you do. It really helps people like myself learn that much more. Quick question though, and this will really go to show how much I am in the learning phase - what is powering the esp32? Are you able to use the 12VDC that helps the maglock to also power the esp32 via use of a terminal block? Or is that too much current pull from one source and you need to have 2 separate 12VDC sources - one for the esp and one for the maglock? Thanks again and thanks for the helpful videos!
I'm having trouble finding the black connectors that connect the boards together? I have everything else... I didn't see those listed in what hardware to get?
