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Channel: Electronic systems and circuits
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Multi Color Emitting LEDs, Making them work & Concepts Behind them

submitted by bksapkec [link][1 comment]

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buddy at work sent me this, I laughed hard figured you guys might get a kick.

submitted by TheSov [link][6 comments]

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Decided I wanted to start building things without the Arduino.

Went to the hackerspace after work tonight with the goal of building a breakout for an attiny84 (and a project in mind after that, but by the time I had finished the breakout I started packing up and...

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Need help connecting micro SD adapter to teensy 2.0

I've never done anything like this before so any help would be appreciated. http://imgur.com/juJvvdr.jpg submitted by dmaho123 [link][comment]

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Parts I extracted from a $3 stereo I bought from Goodwill. (Sorry some of the...

submitted by CrabNicholson_KD0VPZ [link][37 comments]

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I'm making a bike speed indicator. Any advice?

submitted by brunoiip [link][5 comments]

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ul listed 120v ac relay that is 5v activated?

hello,I want to install a 'smart' light switch in my house but i want to do it safely. is there a product out there that is ul listed that would switch 120v ac with 5v logic? submitted by scott_fx...

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Mobile phone Geiger counter supply. 400V from the headset jack

submitted by crepitus [link][4 comments]

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Joe Knows Electronics 1/4W 86 Value 860 Piece Resistor Kit

submitted by ArtistEngineer [link][9 comments]

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Help! trying to find LYTE spinning led music box

I'm trying to find a spinning LED music box called "The Lyte". It has red and green LEDs and hooks up to stereo and responds to music. Appears they were sold at The Sharper Image in the 1980/90s.Here's...

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Where does everyone buy their clear project boxes from?

Where does everyone buy their clear project boxes from? Are they built from glued together acrylic sheets? What's the typical cost? I think I spent 20 bucks on a fairly large one back in my college...

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Hey guys need some help for a home business

So a buddy of mine has a home business that is already going I'm jumping in to help get the ball rolling on capitol. He has a dedicated phone line that he runs to a 2 line phone. My question is, if we...

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Broken charger port-Enter charger 2.0

submitted by hawtdawgspudder [link][comment]

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Can anyone tell me the value of this resistor?

submitted by Danbal1 [link][2 comments]

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Villard Cascade Voltage Doubler - Neon Lamp

submitted by computerwiz_222 [link][comment]

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How stupid can one be

I have been working on electronics for about 5 years. Just lately created a little ED company and have a project with some mechanics engineers. On a fifth day, they asked me to make really robust end...

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What is the cheapest standalone microcontroller?

I have a lot of experience programming the arduino, but I want to take my projects away from the prototyping into more permanent builds. I've seen all the guides on 'shrinking' the arduino and using...

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Couple of breakouts I made. PSoC 5 and Maxim VFD driver.

submitted by ivorjawa [link][5 comments]

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I have half a dozen of these old mica capacitors - Can anyone help me...

submitted by JRiggles [link][12 comments]

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Qucs -- the open-source circuit simulator -- has just been updated to v0.0.17...

submitted by roger_ [link][1 comment]

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