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Stickvise gooseneck helping hands
Log from Stickvise - low profile soldering vise
***Edit: I have the kinks worked out, the ball and socket system works great now***I have been hard at work on what I think is a killer accessory for Stickvise, a 3d printable gooseneck helping hand arm. The design is not 100% ready for public consumption,...

Two new Stickvise spins
Log from Stickvise - low profile soldering vise
@SUF has come up with two great projects related to Stickvise recently.The first is a pocket size version of Stickvise called #MobileVise that uses a bolt and nut, a spring and two little 3d prints. When you take it apart, the bolt, nut and spring can...

First and fast prototype
Log from Electronic wheel truing stand
Using common wheel truing stands you have to find the biggest error by visual judgment. Usually you use calipers while turning the while to find a lateral rim run-out. If you have difficulties to find the problematic rim position with naked eye it might...

NeuroBuggy Details
Log from NeuroBytes
Note 8/22/2015: Since the original NeuroBuggy post, I've made a few hardware modifications that are reflected here--namely, the two bump switches are moved from hook-and-looped cardboard tabs to permanently mounted devices, and the servos are reversed...

Power for the Pump
Log from Paste Extruder using Moineau Pump
To complete the extruder, I needed a stepper motor to drive the Moineau impeller through the Schmidt coupling. Wishing to keep the package as light as possible, I wanted to use a NEMA 14 stepper. Since the pump turns fairly slowly but requires a moderate...

PET-2001 Emulator Project Started
Log from L-Star: Software-Defined 6502 Computer
If you've followed me long enough, you know that my original purpose for the #Propeddle: Software-Defined 6502 Computer project was to build a replica of the Commodore PET-2001 and CBM series computers. The PET-2001 was the first computer I ever...

Off and Running
Log from Syringe Pump
The need for this design became obvious just a few days ago, so the design is still in process. So far, I've chosen 1" PVC for the syringe body and 1/4" plastic tubing for the delivery tube. I've started designing the parts in FreeCAD. The plunger will...

Securing the outlet tube and a little Welding
Log from Syringe Pump
My plan is to use a length of plastic tubing to deliver the output of the syringe to either the extruder or the mixer. That way, the syringe doesn't have to be mounted on the carriage of the printer. The thing that's always worried me is how to connect...

Motors protection
Log from R.Hasika - a precise and compact robot base (rpi)
The motors of the robot are mounted under the base plate. They are equipped with magnetic quadrature encoder disks, fitted directly on the motor axis prior to the gearbox. This wheel thus has no torque, and if something touches it, it will stall the...

Connection between the two stages of the robot
Log from R.Hasika - a precise and compact robot base (rpi)
As seen in a previous project log, i have two plates for this robot. The lower one sports the battery, charge circuit, power regulator, motors, ultrasonic sensor and the motor driver.The top plate supports the "brains" of the robot, i.e. command electronics....

prerendered menu sketch
Log from FreEader - minimal e-book reader
Althoug freeader should be a minimal reader, there must be some way to navigate between books, e.g. a kind of menu structure.This menu structure will also be prerendered pixel data, like the books themselves.I use Edje from the Enlightenment Foundation...

Pumped!
Log from Reagent Robot
We have an injector pump! (mostly) I'm just looking for a better (easier to move, smaller) syringe with a luer lock output. And I got the correct parts due to sheer dumb luck, and then found out what they are after the fact. LOL. Turns out these do all...

Back track
Log from Voice controlled connected home
NLP seems to be a hard nut to crack. So taking a step back. I'll try to focus on low-hanging fruits. Some UI controls for playing media would be nice. Let's get that done first to keep up the motivation.

Tools & Components
Log from Terabalance
Tools we used Hot glue gunScrewdriveCNC (for making 450mm groove - a router would also do)DrillWoods Sourced Component List Arduino (Teensy 2.0)Bread BoardUSB Micro cableTeraRanger ONE (incl. connector cable)Servomotor & Linkage (metal strip with two...

New linear bearings - new iteration
Log from CNC desktop laser/dremel mill/microscope
This is a short post about how, roughly, the thinking process goes for figuring things out for this machine. I prefer to go from top to down - I guess its a habit I picked up probably when I worked in engineering bureau during my masters studies doing...

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