Category Archives: Announcements

Sign up to be notified when my book is published!

The “Soldering is Easy” comic book that was released on Monday will be included in a cool book that Mitch Altman (@maltman23) and I are writing about How to Make Cool Things with Microcontrollers (For People Who Know Nothing). It will be published by No Starch Press later this year.

If you would like to be notified when the book is published, please submit your e-mail address below.

 

Another guest appearance on The Amp Hour!

Yesterday I recorded another episode of The Amp Hour, a weekly podcast about electronics (and a lot of other stuff) hosted by Chris Gammell and Dave Jones.

This is my fourth time on the show!  I also found out that I am listed as a member of the show now.  Whoohoo!

This is also the first time that Chris, Dave, and I have all been on the show together.  It was awesome recording with both of those guys, and I think it was my best show yet!

Just before the show, we learned that the latest version of Skype allows all callers to talk at the same time.  Go Skype!

The Amp Hour #38 — Comical Keyzer Comes a-Callin’

HV Rescue Shield now works with the Arduino Mega

HV Rescue Shield works with Arduino Mega!

Thanks to John, of the ATX Hackerspace, who loaned me his Arduino for testing, the HV Rescue Shield now works with the Arduino Mega.

I had to create new byte read/write functions for digital lines 0-7 because they are implemented very “differently” (and I don’t mean that in a good way) in the hardware for the Mega.  If you’re interested in how I did this, check out the new version 2.12 Arduino sketch and the new mega_data_read and mega_data_write functions.

To use the HV Rescue Shield with the Arduino, first download the revised sketch here.  Set the MEGA #define to 1 and compile/upload the sketch to your board.  Make sure you have the Arduino Mega selected in the Arduino Board menu, or the sketch won’t compile.

The Mega has more pin headers than the Rescue Shield, so be sure to install the shield all the way to the left, as shown here:

HV Rescue Shield alignment on the Arduino Mega

If you experience any problems with the HV Rescue Shield and the Arduino Mega, please report them in the support forum.