Tag Archives: Arduino

Thank you heart

Posted on May 8, 2020 by Jim

(This is a quick overview.  Proper build details will follow soon.) I wanted to put something nice in the window to say “Thanks!” to all the health care and other essential service workers who are keeping people safe and helping … Continue reading →

Posted in LED window heart | Tagged , , , , , , , | 2 Comments

Analog joystick

Posted on April 1, 2015 by Jim

I found this nice-feeling joystick for $2 at Goodwill, and thought it might make a good controller for an early demo of the LED wall display at the Northside Mini Maker Faire.  I’d originally planned to use a drum pad, … Continue reading →

Posted in Miscellaneous | Tagged , , , , , , | 1 Comment

Quickie 1-cell discharger

Posted on June 1, 2014 by Jim

Wow – I wasn’t planning to make this.  But as I fantasized about just building a simple discharger while struggling with 1-cell problem on the big 18 cell discharge tester, it sounded too simple to resist.  I could get to … Continue reading →

Posted in Little Discharger, Tiny 85 stuff | Tagged , , , , | Leave a comment

Arduino 301 class post mortem

Posted on March 16, 2014 by Jim

The 301 class went well, but far from perfectly.  Despite scheduling the class for 3 hours instead of 2, I was once again overly optimistic about what I could get covered, and left a lot undone. Of the original outline … Continue reading →

Posted in Workshop 88 Stuff | Tagged , , | 2 Comments

Supply voltage brinksmanship for sound modules

Posted on November 14, 2013 by Jim

I’ve been working on two “3 volt” sound modules – a micro SD card module for the dollhouse and a from-scratch flash memory sampled sound playback device for the starter’s gun.  Neither one actually works on 3.3V.  So begins the … Continue reading →

Posted in Dollhouse, Rf starter's gun, Uncategorized | Tagged , , , , , , | Leave a comment