12V Heating Element?
OK let me start out by saying I know very little about electronics and whats needed to actually make everything work. I'm trying to figure out how to make a somewhat flexible strip heating element that...
View ArticleQuestion about changing a switch in my house.
Hi guys, thanks for the help. So I want to repair a broken light switch in the house. It's a very, very old house, has a fuse box and a circuit breaker. I'm not sure if the fuse box is still used at...
View ArticleHelp! Lego motors via USB power supply?
Hi guys, I would like to power two Lego Power Function Medium motors via the USB port(s) of an Asus EeePC701 - no extra power source(!!!!). A lot of technical details about the motors can be found...
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R.I.P. Max6675. I tried to save you, but it was too late.
submitted by gristc [link] [17 comments]
View ArticleLooking for a suitable high-current transistor, completely lost.
Hi, I'm building a Greenpower (http://www.greenpower.co.uk/) racing kart with some guys from my school, and they've put me in charge of electronics. I sorta know what I'm doing, but I need to find a...
View Articleembarrassingly simple question about switching a 40A device with a 30A switch
I have an 120v inverter with a 40A fuse in the 12v side but the switches I have are 30A (all nice matching LED lit handles). What is the simplest reliable way to up the current? Must I use a relay, or...
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Brilliant! Wire Stripper Lights Up When You've Cut Deep Enough
submitted by wsender [link] [20 comments]
View ArticleHelp out a fellow redditor.
I'm an EE student and I have lost my breadboard unfortunately. Being a fulltime student, money is very very very tight. If anyone has one they'd be willing to donate or sell at a reduced price I'd be...
View ArticleDream Cheeky Button Hack (Help needed)
So I recently acquired a few of the Dream Cheeky Big Red Button varieties.They are surprisingly well built and make very nice large buttons for projects given how cheap they were. I would like to get...
View ArticleHDMI to LVDS 20 Pin connector?
Anyone know if it's possible to connect and HDMI out (specifically the HDMI output of the BeagleBoard-xM) into a flat 20 pin LVDS connection on an LCD screen? Heres the BeagleBoard Heres the LCD...
View ArticleHow do I fix my amp?
I have an MTX PSW 101b Subwoofer and yesterday it just stopped working. I don't think the sub itself is blown, as it's rated for 450w. The MTX amp is only 100w. The amp turns on, but there is no sound....
View ArticleIs there a subreddit for very old electronics?
I was wondering if there is a subreddit for things like pictures of vacuum tubes and old gold plated chips or something. I tried looking a bit but couldn't find one. If there is one can someone point...
View ArticleHow (if possible) could I build these?
So, I've had this idea for a micro-processing project in my head for a couple of months, but in order to make it, I need wearable displays for glasses. I found these a couple of days ago, and although...
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Where to get hold of LED housings like this? Is there a name for this type of...
submitted by lancelon [link] [22 comments]
View ArticleTechniques for repairing fine gauge headphone cable
Does anyone have any tips for preparing/soldering the incredibly fine stranded wire found in headphone cables? They're quite a nice set of cans, not earbuds, and have very thick walled and flexible...
View ArticleAre there any cellphone operators in the US which uses any these bands?
WCDMA Band II (1900) GSM 1900 WCDMA Band VIII (900) GSM 900 WCDMA Band I (2100) GSM 850 GSM 1800 Thanks! (I have a cellphone from Europe which works on those bands alone, and I wish to use it here with...
View Articlewould this be accurate to tell someone who doesnt understand electronics,...
on their meter. there is no voltage drop from a resistor unless there is a load on the other side of the resistor and that load has at least or lower resistance than the resistor in question. submitted...
View Article(xpost from r/DIY) Would anyone mind helping me create a custom musical...
I want to make a custom musical card for my boyfriend's birthday, but I'm not sure where to start. I know that I'll probably need a microchip, soldering iron, tiny speaker etc and that I may or may not...
View ArticleTrying to find a Infrared ethernet bridge
I can't build one as we need 48 of them for cranes. It doesn't have to be fast or have a long range, in fact 4-8ft would work. Can't use radio control or wifi because of company guidelines on wireless...
View ArticleHelp me identify this part please?
This piece broke off my laptop that connects to the button bar to turn the laptop on. I've been to a few local electronics shop with no luck. They all suggested I check Digikey, but I have no clue how...
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