The next stage of the reflow oven project is moving to a custom PCB for the controller electronics. Overall the board is based on the ATmega32u4 with a DS3231 RTC. The LCD module is intended to be driven by one of Adafruit’s Serial backpacks. There is an area of LED indicators (something I learned from a previous project) and some extra VCC/GND pins sprinkled about.
Last Update: 09/24/2013
Status: Done
Github: https://github.com/baldengineer/Mixed-Signal-Oscilloscope-Demo-Board
Abstract
As a member of the TechShop in Austin, TX I teach a class on Electronics Measurements. The class includes a variety of test equipment like power supplies, DMMs, and Rigol oscilloscopes. One of the oscilloscopes is a Rigol DS1052D which is a “Mixed Signal Oscilloscope.” In addition to the two 100MHz analog channels, the scope also include 16 digital channel channels. It is a logic analyzer and oscilloscope in one!
While practicing the Quadrotor‘s motor mounts on a Shopbot gave me experience in how to register two sides for milling, I didn’t want to invest the time required for the arm mounts. So I decided to make use of the MakerBot Replicator 2 to print physical samples in PLA. Time per piece went from about an hour to about 15 minutes.
A couple of years ago I started looking at what it would take to make a quadcopter. At the time, I only had the limited tools at the Austin hackerspace available to me (which I don’t think even has a space anymore). So I shelved the idea since I didn’t see a time effective way to make any of the components. Fast forward to a few months ago when I joined the TechShop in Austin. Now I have no excuses to not make a custom Quadrotor.
Status: Active, In Progress (Updated: 4/18/2013)
Abstract
Pictures: http://www.flickr.com/photos/cmiyc/sets/72157633185131473/with/8653034709/
This Quadrotor project is a collaborative effort between Mike Kurdziel and I. The unique twist on this collaboration is that he is located in Menlo Park, CA and I am in Austin, TX. We’re collaborating remotely while doing most of work on the TechShop locations in each of our towns.
