Andrew Barnard
More ideas from Andrew
Water Level Indicator With Alarm

Water Level Indicator With Alarm

This question gets asked every day in Answers and the Forums: What resistor do I use with my LEDs? So I've put together several different ways to figure it out.Lets get right to it:Each of the steps do the same thing. Step 1 is the simplest and we go downhill from there. No mater what way you choose you must first know these three things:Supply voltage This is how much power you're putting into the circuit. Batteries and wall warts will have the output voltage printed on them somewhere. If…

This question gets asked every day in Answers and the Forums: What resistor do I use with my LEDs? So I've put together several different ways to figure it out.Lets get right to it:Each of the steps do the same thing. Step 1 is the simplest and we go downhill from there. No mater what way you choose you must first know these three things:Supply voltage This is how much power you're putting into the circuit. Batteries and wall warts will have the output voltage printed on them somewhere. If…

Your garage is a hardworking space. It's where you keep your sports equipment, your tools, your gardening supplies, your out-of-season decorations. How in the world are you supposed to keep all that stuff organized — and maybe even make room for your car? Here are 23 inspiring ideas.

Your garage is a hardworking space. It's where you keep your sports equipment, your tools, your gardening supplies, your out-of-season decorations. How in the world are you supposed to keep all that stuff organized — and maybe even make room for your car? Here are 23 inspiring ideas.

Battery-based USB chargers are pretty cheap, but it's always cheaper and more fun to make your own. The basic concept is a battery that powers a USB port so that you can juice up your gadgets.

Battery-based USB chargers are pretty cheap, but it's always cheaper and more fun to make your own. The basic concept is a battery that powers a USB port so that you can juice up your gadgets.

everything-about-leds

everything-about-leds