Hands On - Make: Electronics

My motor, wheel mount, and other bits arrived today. As with most electronics ordered, there's no paperwork on any of it. I can figure...

My box of parts has shipped from Solarbotics, so it's just a waiting game now for the motor and other bits. I was ready to cut the 1/4...

So, it was a very nice afternoon today (a bit hot, though) in Atlanta - sunny sky, no clouds, no rain. I had a 3 year old helper who was ve...

I'm hoping for some good weather tomorrow (weather.com says YES) so I can head outside and put the finishing touches on Exercise 31... t...

O'Reilly has a great deal right now on some eBooks - for $9.99 you can get any of their Top 10 books and guess which book is on that lis...

Sorry, all, for the big delays in posting. My wife delivered a 10lb, 7oz baby boy on June 14th... and the weeks before were a bit crazy as ...

So we're going to build an AM radio with an empty bottle, lots of wire, a germanium diode, and a cheap earphone... sounds fun. A few thi...

To quote Chris Knight - "It's yet another in a long series of diversions in an attempt to avoid responsibility." Rather than ...

Well, I don't know... I've tried quite a few things. First, I replaced the wire to the speaker with a high gauge wire (thinner and ...

Okay, I'm still having trouble with experiment 29. I'm including some close-up photos here, hoping that someone may catch an error ...

I got everything hooked up and I double-checked the schematic for all the resistors, capacitors, and pins on the chip. I chose to use my iP...

Apologies for delays in posting recently - throw in a small bit of procrastination with my mistakes in ordering incorrect components and ......

Experiment 30 builds on Experiment 29 - unfortunately, I've had some bad luck getting the proper components for these 2 exercises. Exp ...

Got a few more items in for Chapter 5 from various sources. First, I purchased 10 germanium diodes and a single piezoelectric earphone from ...

I'd never seen this application of a coil, but the theory you'll read about for Experiment 28 makes sense. In the first part of the ...

Thanks go to Seth over at O'Reilly Media, Inc for emailing me an updated version of the book - as you can see, the cover looks great on ...

Exercise 27 calls for you to destroy a small 2" speaker... the way these speakers are designed, I don't think you'll be repairi...

This was another fun little exercise that I've seen in various forms over the years... the picture on page 241 (Figure 5-22) really does...

My printed copy of the book is getting... worn. While sharing it last week with folks at WorldFest, it got handled by kids, adults, and adu...

As the author says, this is an experiment I've seen done numerous times in the past... but never done myself. I remember my high school...