![Balázs Kelemen](/img/default-banner.jpg)
- Видео 67
- Просмотров 1 162 943
Balázs Kelemen
Венгрия
Добавлен 29 апр 2009
I document my DIY projects and other useful things in this channel. I like to use the Arduino infrastructure and do some woodworking to create cases.
Please visit sharedinventions.com/ for more projects and detailed descriptions.
You can also follow me on instagam: sharedinventions
My discord server is: discord.io/prampec
Please visit sharedinventions.com/ for more projects and detailed descriptions.
You can also follow me on instagam: sharedinventions
My discord server is: discord.io/prampec
Make a wine-fridge from a regular fridge.
I had this small fridge, that was faulty and made goods too cool. But I wanted to use it as a wine cooler fridge. So I did.
Просмотров: 143
Видео
Fixing a stuck fan is easy
Просмотров 227Год назад
I have this old, but nice fan, that is stuck. It's just the matter of some drops of oil, to bring it back to life.
Modifying a camera stand
Просмотров 83Год назад
In this video we are building a workbench camera stand from an existing wearable camera stand.
Trying to fix microwave oven with ground fault
Просмотров 540Год назад
In this video I try to fix our microwave oven that trips the ground fault protection.
DIY Portable HDMI Monitor
Просмотров 16 тыс.5 лет назад
I have made an HDMI monitor by utilizing a screen can be bought with a driver board. The body is build from a single piece of wood. (Note, that some HDMI modes gains too much power for the charger circuit to stand, so operation from batteries is not stable in all cases.) Contents: 0:12 - Introduction 0:40 - Building the box 2:47 - Preparing the electronics 3:31 - The stand 4:10 - Finishing the ...
Keep dishwasher open - A wire project
Просмотров 1,2 тыс.5 лет назад
This dishwasher is always closes up the door totally. We did not like that. Watch me form a spacer from a thick coated aluminum wire. (Do not use iron base wire, it will rust.) Follow me: 🏠 sharedinventions.com/ Instagram: sharedinventions
Too loud? Fix it! - Toy Care
Просмотров 12 тыс.6 лет назад
If you own a toy that is too loud for your taste, you can fix that easily. I show you how. The key is to an about 100 ohms resistor in series with the speaker. 5:26 - Bonus content
PAM8610 Amplifier test
Просмотров 22 тыс.6 лет назад
I wanted to have a small, good quality amplifier module with an onboard volume control. I'm afraid this not the one I was looking for. It has a very noticeable noise level. It is very likely a design issue of this board. Jump directly to the test: 1:18 Music played: Geisha by The Kyoto Connection (freemusicarchive.org/music/The_Kyoto_Connection/)
Modifying Wemos Relay shield
Просмотров 11 тыс.6 лет назад
Wemos Relay Shiled was connected to digital pin D1, that is also busy when using I2C connections. So you need to modify the shield. The pin in the shield is pulled to ground, so I do not recommend to use D3, D4 pins (however it will likely also work fine).
DIY Speaker shelf
Просмотров 90 тыс.6 лет назад
I have made these shelves for my bookshelf speakers in the summer out of some junk particle board. Details: sharedinventions.com/?p=583
Solder on antenna for ESP8266
Просмотров 99 тыс.6 лет назад
I have made a test to extend the integrated antenna of a WeMos ESP8266 board by soldering an extra wire to it. Used solid copper wire from a standard CAT5 cable. Test code: pastebin.com/f6Pr4b53 Follow me: 🏠 sharedinventions.com/ Instagram: sharedinventions
DIY USB Pedal Device
Просмотров 7 тыс.6 лет назад
We have built an USB device, that can be operate with a pedal. It can act as a keyboard, but we use it to send mouse clicks. With the same principals you can build any kind of USB devices you need. For details visit: sharedinventions.com/?p=561
Wooden Toy Lawn Mower
Просмотров 6 тыс.6 лет назад
I have built this toy lawn-mover for my son (mostly) out of wood. Documentation: sharedinventions.com/?p=540 Contents: 0:18 Preface 0:42 Frame 1:56 Handle 2:10 Engine 3:40 Showcase
DIY Webcam Arm-Stand
Просмотров 4,9 тыс.7 лет назад
I had a used web-camera laying around, this was the time to build a stand for it. Related article: sharedinventions.com/?p=477 RivetCam software documentation: sharedinventions.com/?page_id=415
Bluetooth Amplifier Case for TDA7492P
Просмотров 3,1 тыс.7 лет назад
Bluetooth Amplifier Case for TDA7492P
DIY Egg Decorating Machine with Arduino
Просмотров 1,9 тыс.7 лет назад
DIY Egg Decorating Machine with Arduino
DIY Chess Clock with solenoid release
Просмотров 17 тыс.7 лет назад
DIY Chess Clock with solenoid release
Color sensing with Arduino - Explained
Просмотров 6117 лет назад
Color sensing with Arduino - Explained
Tested and modified the TDA7492P Bluetooth Amplifier module
Просмотров 135 тыс.7 лет назад
Tested and modified the TDA7492P Bluetooth Amplifier module
Destroyed a TDA7492P Bluetooth amplifier module while it was turned off
Просмотров 62 тыс.7 лет назад
Destroyed a TDA7492P Bluetooth amplifier module while it was turned off
Home made loudspeaker enclosure - Part 2
Просмотров 1,3 тыс.7 лет назад
Home made loudspeaker enclosure - Part 2
I dont see any significant diff between having a small antena and not. Thanks for the vid.
interesting design; looks less bulky, more elegant, than many shown on RUclips
thank u, usefull ruclips.net/video/n8N7pnrjb2A/видео.html
Bad video
❤❤❤
Beutiful
Beutiful
Use relay shield Rev 2 with selectable relay pin.
Thanks! I rewrite code 5 times ))) but there is no error....
I use only the line in input of the blue board, is it possible to disable this terrible "line in" announcement on powering on of the module?
ruclips.net/video/rAsM1YgN2oI/видео.htmlsi=HNqDyk2Ea4zzwMrg
Hello Dr. Strange
Bruh i test them it's works fine with good bass you have something wrong
Happy
Loud
Really cool video for seeing whats inside a fan. Would really be cool to see more videos of diy stuff, tinkering to fixing things :) . Very educational seeing the whole process uncut.
The board power is controlled by a 4409 MOSFET chip. 4409 is a P-channel MOSFET crystal. The positive power supply of this audio power amplifier board is connected to the Source of 4409, the internal IC power supply is connected to the Drain of 4409, one end of the switch is grounded, and the other end is connected to a resistor to the Gate of 4409. Because there is a diode inside the 4409 chip, the positive pole of the diode is connected to the Drain of 4409 (that is, the internal IC power supply), and the negative pole of the diode is connected to the Source of the 4409 (that is, the positive power supply). Therefore, if the power supply is reversed , it becomes that the IC power supply is directly reversed (the switch will be turned on or off), and it will burn out directly. The reason why the Bluetooth module didn't burn out was because it passed through the step-down chip, and the chip should have a reverse polarity protection device, so it wasn't damaged.
There's no diy here? This is professional worker
Seriously beautiful!
Very nice idea💡
Acomo
Not bad but Making floating shelf would look cleaner
Looks good. I’m looking at some different options for a lightweight bunk for a travel trailer
Хм а смысл в перепайке? В этой плате шина i2C софтверная , поэтому проще i2c шину перекинуть на пины d3 и d4 к примеру !!!
I have this amp PCB layout as well. I only run them with 8 ohm loads. I am aware the board does seem to have shielding issues and very likely the source of the noice.
Hello, great video, is it possible to share your 3d file for printing the case? Greets Tom
have you tried the basic PMA 8610 without volume control ?
Never disconnected the internal antenna. The antenna you should use is 1/4 wave, which is about 3.1cm.
Exactly
Faulty product.Other PAM8610 amp not have this issue.
no se escucho mucho la prueba de sonido,..
þrðmð§m
Unplug the aux cord not the power. If it still has noise with aux cable unplugged then it's the amp. It sounds more like your audio device or cable is bad.
Wrong conections, + are - and - are +.
Welcome return .... Long or short your videos are worth watching !
very helpful tips. i just encounter the same situation as yours.
how can I put simple sound on this speaker plz?
I was actually wondering what was supposed to be on the opposite wire end if there was a J-hook on one end. There are three options that make sense: hook-to-hook, hook-to-alligator clip, hook-to banana jack. To me the last option makes more sense if the hook is connected to a multimeter since the first two options of the three assume bridging parts of a circuit and I'm not too sure if that can be very useful.
You are right, but I like to use alligator clips connecting to multimeter probes. Also lots of alligator clips can be connected into one.
My bunk bad's bigger in length, and my room is smaller. I have bought this bad from shop I can't return it, please could you tell me how can I make smaller, I never done this kind of work before, I want keep this bad because it was £450 and now no any body buying from me for £300. Please let me know if there is anything salutation? Thanks
I believe you need to short some sides. You need to determine which part should be shortened and calculate the new length. Disassemble the bed. Before you do the cut, you need to figure out how to you will reproduce the end-joint. It differs in every makes. Do the cut, and reproduce the end-joint. (You will also need to reduce the size of the mattress, that alone can be tricky. I would use a retractable utility knife for that.)
Dear @@sharedinventions Thank you so much for your help. I am just scared to cutting the bunk bed, because I am just thinking may be I can't make proper holes in bed where from I have to join again. Mattres is smaller than beds. Please give me some advices and motivation what shall I do? Thanks Best regards
@@tabbicooks337 You might want to make some test holes on some scrap piece of wood laying around to practice you tools. Wood is a great material to work with, you can often fix errors on it. E.g. plugging exiting holes and re-drill them. You have to trust in yourself! :)
@@sharedinventions Thank you for your kind advise and for encouragement 💕
perfect
Dear friend, How to change the name of Bluetooth BK800L ? Thanks
I have the same board its connecting but no audio out please reply
Can be anything, most possibly loose solder joint (see my other videos), but also can be a broken amplifier IC.
How u made that stand 😥
Try building an outdoor antenna with a 50 ohm impedance antenna cable with a 5 km to 30 km long range satellite dish.
What is the diameter of the wire used in this video?
D5 is a spi pin miso or mosi used for the micro sd card reader better to use d3
Fast and easy solution, thanks for sharing!!
I hear a lot of unpleasant hiss. Hopefully you have upgraded to a better camera and microphone since this clip was made. This way all of us can hear what it sounds like and not have to worry about whether we are hearing the camera noise or the amplifier noise.
Thank you so much i was look for help for 1-2 months now.
Thank you for this! I was dreading having to code a bar graph myself for a little project I'm making, so finding this is a really nice surprise.
Can use this feed back of a encoder