Hobby Motors For Robotics Stepper motors are ubiquitous in hobby robotics projects: If you make a robotics or automation project today, it is very likely you will use them. Almost all DIY projects from 3D printers and CNC mills, to various custom robots and automation solutions use them.
However in industrial automation, brushless servomotors have taken over, and it's clear why: They don't lose steps, are much more powerful, efficient, and silent. Brushless motors are not unique to expensive industrial automation equipment. In fact, you can get some very powerful and cheap motors at hobby shops. The electronics to drive these motors are also dirt cheap.
So how come virtually no non-industrial automation systems use them? To be honest, I have no idea. Seriously, a driver that allows this should clearly exist. But since it didn't, I decided to make one. And you are invited! This project is open source, both in hardware and software, and I warmly welcome anyone who wants to join.
Oskar Weigl. Key specs. Controls two motors. 24V and 48V versions available. Peak current 100A per motor. Continuous current depends on cooling:.
Encoder feedback for arbitrarily precise movements. Supports two braking modes:. Brake resistor. Regenerative braking.
Optional use of a battery means you can achieve very high peak power output with only a modest power supply. Open source:, Interfaces. USB - Custom protocol, open source. PC, RaspberryPi, etc. ROS node (coming soon).
Step/direction - Existing motion controllers. UART - ), mBed, etc. Servo PWM/PPM - RC Recievers, Arduino, etc. CAN - Synchronise multiple ODrives (coming soon). Some general purpose digital and analogue pins Protocols. Many types of command modes.
Goto (position control with trajectory planning). Position commands. Velocity command. Torque command.
Hi folks, We are excited to start sharing the new odrive with you! At the core of odrive2 is a new vision for cloud storage.
What if storage wasn’t fragmented? What if you could combine and share any storage? The goal for odrive2 is to make a better cloud storage stack. What that means ultimately depends on you. To get started, we made a “meta-storage cloud” with a suite of apps for you to combine and share storage. We are releasing the following software over the next several weeks:. odrive cloud (v1 Released): Make cloud drives to combine and share any storage.
Web Client (v1 Released): Access and share any storage without any software. Windows and Mac Desktop apps (Windows Released): Drag and drop cloud storage management. iOS and Android apps (Released): Mobile access to any storage. Windows, Mac, Linux Shells (In Development): Interactive and scriptable command-line interface. Windows, Mac, Linux Daemons (In Development): Server agents for storage automation. Sync (Released): Granular, bi-directional storage replication.
Backup (Released): Backup any computer to any cloud storage. Backdown (In Development): Backup any cloud storage to any computer. Encryption (In Development): Guarantee privacy with zero-knowledge encryption.peter Founder & CEO.
Homonto: today it is 100$/y so 8.33$/m. New drive is 2$/m. What am I missing here? Santa Claus is in December, right? The odrive1 Premium subscription includes all of the odrive Premium features. Odrive2’s base membership subscription currently gives you the ability to upload, modify, and reorganize. Odrive2 will have a “member store” that will also allow you to upgrade to additional services, like sync, encryption, and backup.
Odrive1 Premium subscribers can get corresponding credit on odrive2, too. Homonto: odrive1 did not require separated login (to ) - it was realized by authentication via cloud vendor - I find it much more simple (and maybe more secure) than what you are proposing in odrive2: odrive login, then storage login - why changed then the method? Utilizing OAuth, while convenient, ended up causing lots and lots of confusion, with folks accidentally creating multiple odrive accounts and not knowing which one to use. It also created problems when users has issues or lost access to their authenticating account, because then they lost access to their odrive account.
We also had quite a few people who did not want to use another service and wanted an odrive-specific login. It was a tough decision, but we decided that having an odrive-specific login was best. We have made the process extremely secure and offer 2nd factor authentication, as well. Thank you for deep and quick answers. I am a big fan and heavy user of odrive (as you can see my gazillion posts already). I expected your above answers exactly as they are.
So now, a bit deeper from my side (I cannot promise these are the last ones I have): 1- when will we see full scope of odrive2 implemented? With all services etc.? 2- there are key points in odrive1 without which odrive2 has little meaning to premium users (like me):. unsync/bandwidth limitations etc.
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encryption. cli.
MacOS client (put here any OS). add more here (but less important to me) 3- also:. android client: - no integration with finger reader for login, no way to use native android “share” function (odrive does not appear as one of the client of share) 4- having at one moment both services: odrive1 and odrive2 - will it be fully independent even if working on the same storage/files? Mattguthmiller: Are there any plans to be able to move/copy items/folders between cloud services when everything’s combined into a single drive? Yes, you’ll be able to drag and drop files from one storage to another. Your desktop client will be used as the intermediary, but the point is that it will be easy to initiate and we’ll take care of it for you in the background and let you monitor progress. If you are interested in a remote-to-remote migration service (without the desktop client as the broker), can you let us know more about what your use case is like / what you’re trying to do?
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We’d like to offer this at some point as well, but we need to understand how to best do it in a way that is optimal for the user and also sustainable for us to do as a company. Thanks, -Jeff. Hi Example of remote-to-remote: I have stored 500GB on onedrive and I want to have a backup of this on google drive. If you are going to implement copy from onedrive to google via my local computer then we are talking about 1 TB of upload/download - that is not remote-to-remote. It is remote to local and local to remote. I am not sure we are talking about this here. My IPS gives me 25Mbps - it will take me ages.
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If it is really remote-to-remote let MS and Google handle this copy without using my bandwidth. I am not sure how and if it is possible but this is what I would like to see.