Na kanale TVP 3 Kraków puszczają cykl reportaży "Świat w oczach Lema", gdzie sam Lem się wypowiada (rok produkcji 1991). Dziś obejrzałem drugi odcinek, gdzie Lem wypowiadał się co sądzi...
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Why do people have online data sheet files called media.pdf or mfr.pdf ? Why does TI have app notes and eval board manuals like sluubo1.pdf? Why do I have to fill out a form to see a data sheet or an...
Trying to locate replacement bulbs for an old Wards / Airline transistor radio, they are 6.3V but only 20mA rated. Higher rated current lamps are out there, but in this design they dim the bulb when...
Hallo miteinander, ich hatte ja nebenan von den Problemen mit sterbenden grünen LED berichtet. Auf diesen Boards sitzt auch eine Echtzeituhr vom Typ DS3231, die ja den Quarz im Gehäuse hat und über...
Hello everybody! Есть плата от китайцев - Alinx AX309. На борту - Spartan-6, SDRAM 32Mb и всякая мелочевка. Испытываю нетерпение и...
j'ai remarqué une carte bigtreetech sur ali ça semble un peu équivalent a un raspberry il y a plusieurs vidéo sur youtube est ce que quelqu'un en a fait l'expérience ?
Hello out there, just asking for inspiration. I have a simulation which executes commands - everything ok. But now the program should also communicate with external hardware via a serial connection...
Hi there I am no electronics geek And I am wondering whether it is possible to get a C motor circuit without relays (may be using transistors) Innocent
I'm in the process of shfiting a board using Atmel's atiny13 to the atiny25. The at25 is causing lots of trouble. First hassle was getting the at25 to accept the "program enable" command. There was no...
We make a gadget that's powered by a 12 volt wart, and sometimes a user applies 24 and blows one up. We have a polyfuse and a 12 volt TVS and they sometimes fry the TVS. It's posssible that most any...
I want to process the signals of five electret condenser microphones with raspberry pi and i since the RPI has no audio inputs im thinking of using a sound card. Im looking for a sound card with five...
Hi! I just moved to an apartment and wanted to keep my radio in the bathroom, same as I did in the last place I lived. Only problem with this place is that the main electrical drop to the building is...
I'm thinking of making a Set Theory Clock display for a desk clock and using LEDs for its display. This needs a selection of rectangular red and yellow LEDs, both small stackable ones that could be...
I have some 7-segment displays I'd like to drive from a uP output...the segments have a common cathode. 5 volt digital outputs from the uP are available, and the red LED segments have a forward...
I am trying to create a project much like like a Marquee sign, I want to be able to control hundreds of LEDs from a set of chips. From my research I found the 74HC595 chip and using a bunch of these...
I have a Weller soldering gun & the tip burned through. Not having a spare, I took a piece of 12ga copper wire and improvised (I know, it won't last long). I find it so fiddly to get the ends bent...
Any good solutions to keep the dust out? Anyone doing anything along those lines - and how's it working? I have a desktop that's less than a year old and is packed with dust already. I can't make the...
Friends of mine have a Samsung 55" 4K TV, model UN55HU6840 (about 2014). They say they can hear audio, but the screen is black. I'd like to take a shot at fixing it for them since they don't really...
Hi all, I am currently working on a range-switched photodiode design for use in...
I am thinking to build electronics beacons for both outdoor and traveling. After...
To generate frequencies from approximately 0.5 mHz to 12 MHz with a DDS a...
Hello, I'm having some issues getting this little guy to run: The site says this...
When I moved house about five years ago, I stupidly left my motor mower in the...
Have any of you noticed that your remote control, for a tv or whatever, doesn't...
I have a Meyer Sound 833 control unit on my bench. It has a weird fault that...
This Schumacher 1042A-PE battery charger stopped functioning today. It seemed to...
I replaced the ballast and fluorescent tubes in a bathroom fixture with LED...
I have been given a number of 7x5 dot matrix display segments. There are 7 pins...
So, I've learned the hard way that it isn't trivial to solder a LED matrix. I've...
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