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This is a fantastic video!!!! Are you able to email me the full code as I am completely lost at this point!!

can you use a remote control to open maglocks?

I use that 60kg mag. lock at my shared restroom (2 rooms), applied well. When someone came, they asked me what happen if the supply fail, they worried been locked inside. Just that easy to prove it was totally safe, I failed the supply at mcb, the door unlocked and hv to use it back manually as normal.

Thanks Alastair, another great idea.

Ive been trying to do a wildlife camera using other tutorials for so long before finding this one. Thank you so much!!!

is there a board and software that allows you to press a button and it sends a signal via USB that plays a sound/alarm of your choosing through windows operating system.?

Hi, My name is Frik from South Africa. I love your channel and I would like to build this project for an upcoming wedding. Trying to verify the code I get the following error message: - c:\Users\Dell-User\Documents\Arduino\libraries\Wire\src\utility\twi.c:27:10: fatal error: compat/twi.h: No such file or directory 27 | #include <compat/twi.h> | ^~~~~~~~~~~~~~ compilation terminated. exit status 1 Compilation error: exit status 1 Please advise as I am new to Arduino programming

We are a manufacturer of uhf reader and module, if someone have interesting ,please contact with me

given how fast everything changes.... i would like to ask , is the most of the information still relevant ? I'm sure the process might have stayed somewhat same, but unity could have changed, plugins, detection algoriddims .. etc etc .... so not questioning the validity of the advice provided , just wondering on how rather applicable it is - given the tools are up to date.

Thanks! Worked greats and was a big hit!

Can we develop this application in Mac? Does Mac support Unity development?

Love the series hey guys im trying to make puzzle when u have to pull ropes in order and i was thinking about using strain guage but dont know how to atache or is it a good sensore

That's a fantastic explanation and thanks very much !

Have you manage to simulate actual cicuit that you have drawn in fritzing? Is it possible to assign a material property "to be conductor" like what you have drawn as a copper tube? Will it be nice to have this featured in simulation software in the future.

Hi Alistair, am I seeing correctly that the mp3 component is set to one-line mode? Looking forward to building this, great vid!

Whats the software he is iusing looks good!?

Hi Alistair, Happy Tuesday! I rcently found your channel. I appreciate your conent a lot, if possible how would one get in contact with you? Thanks in advance mate cheer!

Love your very detailed explanations, and the ability to get the code as I have no idea how to write code!! I would be interested in how you see all the power adaptors getting connected. Do you have a power board with multiple plug packs?? I'm interested in how you see all the power connected within a wall of an escape room?

I love this series! You should check resident evil puzzles! They are awesome and most of them are doable with tech you made before.

Can anyone tell me where I can get MTP_Teensy.h

Regarding logic levels.. a lot of stuff generally has CMOS inputs, where there is a threshold for logic 1 and 0 that is typically some percentage of Vcc. The MAX7219 is definitely only specced at 4V minimum with a Vih of 3.5V, but i suspect it has a fair bit of tolerance. It could also be a clone chip on there which works perfectly well at 3.3v!

What are you using for ESP32 development? I'll probably end up using vscode but wondered if theres anything else. Probably wont use platformIO or anything like that though!

Great video! Have you explored using the USB pins on the DFMini for power and file transfer. I have a project in mind (dementia friendly music player) and was thinking of using commercial power banks to power the unit. Transferring files via this port to the onboard card would be much easier for caregivers. I've seen one video on this but... sketchy. Wondering if the same power conditioning should be used.

Hi I recently started working at an escape room and I love all of these. My boss is pretty adverse to learning Arduino though which has made me consider giving it a shot. I have a bit of programming experience, so I'm more intimidated by the hardware than the software. Is there a project you would recommend for someone starting out with it?

Brilliant tutorial as always, the detailed code explanation really helps me try to understand this stuff. Thanks for taking the time to make these videos 👍🏻

I love the idea of the transducer to make a quiet noise that needs to be heard. Instead of the dial to change numbers, i wonder if I could build a fake combination lock with a rotary encoder that would act as the input instead.

another great project

In case you hadn’t seen it: if you ever have trouble with tracking impulses from rotary encoders, I’ve had great luck with one of the small SerialWombat chips. Cheap dedicated chip to listen to encoder responses that you can poll when you need to. I.e. if your loop is too slow to reliable keep up with the encoder, you could use one of these.

I love this series! Thank you so much. It is so helpful and oddly difficult to find content like this!

28:30 just to clarify, this scramble function only randomizes the input code, not the solution code, right? The solution will be the same when the safe is re-locked?

Absolutely stunning idea I’ll do it with an Arduino! Thanks again.

You are the best, very creative idea as always. Thank you for sharing it with us, you truly are an inspiration. It's a shame I didn't succeed in setting up node red in an ubuntu environment because I really liked everything that could be done with it. It was the main reason why I switched from the vanilla arduino to the esp32. One day... Thank you as always!

What would be really cool is if you had a stethescope in the room where they had to place it on a space that has a relay bolted to the inside and all you had to do was turn the relay on and off to trigger the 'click'. Not audible enough to listen to on it's own, but the relay click would pick up on a stethescope through the metal wall The big issue with this is that stethescopes are not toys, you can actually damage someones hearing by misusing them. There's ways around it like getting a cheaper one or putting a bit of blu tac in the holes where the ears go, but it probably would be unsafe for your average customer. Edit: also... kinda gross, you'd have to clean it every time

Hello! So I'm stuck that the function Serial.println("Starting SD Card"); if(!MailClient.sdBegin(14, 2, 15, 13)) { Serial.println("SD Card Mount Failed"); sleep(); Does anyone know if pin 14, 2, 15, 13 can really be other pins? One would think that the ESP32 Cam board would be a uniform construction.

It certainly is challenging but it can be done. It's even worse with the DW3000 because the driver provided by Qorvo is closed source. You can certainly get much better range than you experienced with proper configuration, at least up to 100 metres line of sight. But you do have to accept limited accuracy because the antennae on those modules have a significant directional bias, meaning the range measurement depends on the relative orientation of the devices.

What is the max cabability if use lan as dupont

Hi, i'm a French Game Master and i'm about to open my own Escape Game in like 1 or 2 months. One of my friend (who is also a GM) told me about you and your channel (that i already discover by myself before) and i'm asking myself if u can maybe help me with commands. I mean that i think that with your tutorials i can set up my puzzle but i don't really what to buy and in how much quantity. Is there any space to text with u ? Do you have any advise to send to me ? Have a nice day.

I chose not to include a playback message button on the phone because I didn't feel it was necessary for my phone. Does anyone know if I will need to change the coding at all or can I leave it as is without any change?

Hello! I'm stuck and hope someone can help me. I manage to upload the code and press the reset button and start serial monitor. Text comes up but ends with Starting SD card, SD Card Mount Failed. What should I do to move on?

bad tuto

Thanks a lot for your great video. Is there any way to link Node Red to the Arduino through WiFi

Hi Sir, I am very new to SDK and AR. I am confused about determining the SDK, which device is suitable for it. I always encounter errors when I want to build an application. I hope you make a tutorial about SDK and Unity 2017 because this version is the best in my opinion and the beginning of AR being implemented in unity.

how would you wire a solenoid latch to be battery powered?

Brilliant ! Thanks for the bit at the end about naming and indexing. I have just started messing with the AI Thinker Audio Dev Board and the Koobok SD version. Tons of potential with these playback boards. Thanks !!!!!!

Which app/site did you use to do the schematic?

Regarding my comment on ledcSetup not declared I discovered that it along with ledcAttachPin have been removed from the library. Both are combined with ledcAttach with the arguments, pin, frequency, and resolution.

I love you channel.

Great discussion but Compilation error: 'ledcSetup' was not declared in this scope; did you mean 'ledc_stop'? Don't know why. Please help. Thanks

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.

Thank you! Clear and detailed.