257 Results for "bldc"

[A] Motor. Is. Missing!!!
Log from Tetrinsic [gd0041]
Have you ever had that time when you're idly thinking and the thought "I should do something about that one thing before a problem arisises?". Well this morning I remember thinking You know, if those motors go OOS (out of stock) like what happened...

It's officially a computed tomography scanner!
Log from X-Ray CT scanners get new life
Yay! Since the last post: The shutter has been made less crappy using a dedicated BLDC driver for motors with hall effect sensors. It's not set up right still, but the shutter is moving slowly enough to do real exposures of about a second long. So...

Leg Design V2
Log from TOPS
I’ve decided to redesign the leg before designing the full robot in order to address some issues that arose when testing out the V1 leg. Physical Design Changes Got rid of using limit switches for homing.Reduced total screw count and made it so that...

Ark Navigator Fiduciary Pinax
Log from Synesthetic Homunculus
I am working on a pinax to host the AR fiduciary. It needs to light up an spin. It needs to be able to detect magnetic fields and movement. I've been working on this for a long time and many iterations but the current iteration I'm calling the Ark Navigator....

Hydraulic-Powered Printer
Log from CIJ Printer
The current printer is powered by pressurized air from an air compressor and vacuum from a vacuum pump. Both the pressurized air and vacuum are used to move the ink around. Pneumatic-Powered Printer The pressurized air pushes the ink from the ink tank...

Turbopump V 0.2 - Single stage lives again!
Log from Everyman's turbomolecular pump
Alright, when we left off 4 months ago, I had been thinking we'd have to use multiple stages to reach our goal vacuum. However, the seals between stages were going to introduce a LOT of complications. I think. I didn't build anything, so far this is...

Zytek hardware
Log from Hacking the Zytek 55kW EV drivetrain
Since this is the first project log, I'll 'briefly' go over the motor and driver as I tear it down.With the inverter lid popped off it's a bit clearer where the actual motor is. (it's smaller than the inverter!!)in that picture I've already removed the...

Speed Control
Log from RoadRunner - Powered Running Stroller
“I believe it’s jogging or yogging. it might be a soft j…apparently you just run for an extended period of time. It’s supposed to be wild.”Keep MovingMost runners, once they get going, are loathe to stop. It's either a good situation where...

Log #3 Exploring Firmware
Log from Hoverboards for Assistive Devices
In Log #2, I explained how I found the source code I hoped would work with my hoverboard, and how I prepared for developing new code. The first step was to build and deploy one of the code repo's I had found.. I decided on the...

[A] Details before 5th Oct 2022
Log from Tetent [gd0090]
I'm just archiving the text in the "details page" here because I want to refactor it.Abstract I needed a new character input method that satisfied most or all of the requirements: - Easy to learn (research unveiled that stenography/charachorder...

Project Log 61: DIY Electric Motor⁴.
Log from DIY Mech/Exoskeleton suit.
Tuesday, 11/07/2023, 17:54. Well, I believe this will be my last project log on "theorics" of electric motors, and if you didn't notice, that's more or less "my last attempt", first I will list everything I need to do, then later I will make project...

Bootstrap Gate Driver Calculations
Log from Gator Quad
Parts, datasheets, and Background:As was mentioned in my previous post in order to successfully drive two N-Type MOSFETS in an H-Bridge configuration from a microcontroller a Gate Driver is needed to complete the task. The gate driver IC that I selected...

BIG WARNING + schematics...
Log from drillPresseur - Drill-Press with Force-Feedback
BIG TODO/WARNING:WORKING WITH MOTORS CAN BE DANGEROUS: BE CAREFUL!!!-------------------------Realized upon drawing up the schematic (referencing an old one), that there's a dangerous problem with how I intend to drive the motor... There are dangerous...

Dear Judges
Log from Axiom: 100+kW Motor Controller
Dear Judges It’s tough to get through hundreds of projects, here is some help! i. Is this a unique solution to a particular challenge facing the world today? There are lots of motor controllers out there, good, bad and ugly. There are few motor controllers...

[R] Sourcing chips
Log from Tetrinsic [gd0041]
Yikes. This took 8 hours to curate. At least now I know I'm creating a switch that's likely to be >£15 per each. Considering that many ergo keyboards, the Twiddler3 and the Charachorder all cost north of £150, this isn't too terrible. Behind...

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