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HacKeyboard, a mechanical keyboard built from scratch
Holy Sh*tCongrats man
Designing a Dual 40A PWM Speed Controller for Brushed Motors
TheMaker2 Homemade CNC
Tiny Encoders for DC Motors
High Torque Encoded DC Motors for Robots from Car Window Motors
Adding an external power supply to a cheap USB hub
Definitely 5 Ninja Stars for that.
Lab tip for Power Connectors and Cables
Great work! Did you know if the hidden flash drive would work with QFR frosty flake controller? It will also need a hub?
Oh nice :)as this schematics of frosty flake seems to be an AVCC, VCC and UVcc (I dont know what it means)https://deskthority.net/w/images/a/a4/Frosty_Flake_Schematics.pdf
Thanks! I never heard of the QFR frosty flake controller and just took a quick look. If it has at least one available pin it could be used to trigger the circuit to turn on/off the flash drive but it would still need the USB hub. Was nice to find that the developer of the QFR frosty flake was the guy who wrote the keyboard firmware that I used as inspiration to write my own :)
Inexpensive CD Wallet Electronics Tool Kit
Hi. The Teensy also needs to be programmed but there are some projects online that may have the code available for you to download.
Hello, me ti, i wanna make a keyboard but i'm so beginners, so about that teensy 2.0, is ready to wire keys ? Or i have to programm it ?! Thanks (sorry for my bad english)
Hi! The weight of the Dremel is not the problem. The rods handle the weight just fine. The problem lies on the big forces applied to the end mill during machining.
Wow, awesome :) I see that you scavenged most of the parts from scrap printers, congratulations :) Dremel might be a little heavy for those stepper motors and rods, you mentioned bent rod problem due to weight, maybe making a lighter spindle will reduce the weight (such as this: http://www.instructables.com/id/Make-a-mini-millin... or this: http://www.instructables.com/id/Make-Your-Own-DIY-...)
Hello mbjrgk, thank you very much for your kind words. I'm glad it was useful for you :)
Msaleiro, Excellent and most innovative idea, just stumbled upon it while searching (to buy) a powered USB Hub . Thanks to you , saved me almost 500 Rupees (Indian)approx$8.Very well explained and illustrated and also followed up with informative replies ... Do keep it up and also Big Thanks to INSTRUCTABLES ...
With the software solution there is a chance to share even <a href="http://www.eltima.com/share-usb-hub.html">USB Hub over Network</a>. Really very easy way to manage the device.
The software solution may help you to share any devices, you can share even USB Hub over Network . Really helpful solution to manage all USB devices.
Had another question so i have decided to do a wire build instead of a pcb for my first build then try one like yours at a laterdate, ill have a link to an example i was wondering if i build one like the one in the link using a teensy 2.0 could i still add a hidden flash drive some how as i like the idea of having one when i take the keyboard places also could i in terory use a 200gb usb or sd card. https://deskthority.net/workshop-f7/brownfox-step-...
ok thanks for the help
Could you please tell me whether the size of the acrylic cutouts will be affected. Also will the PCB be affected in any way? If so could you tell me what else will be affected
So the more powerful the adapter, the more current available to ports, and yes everything is now crystal clear, thank you, plus I found some valuable information in previous comments and other websites (I should've done some reading first), and the questions are.. well, not repeated.. but indeed dependent on each other.Thanks alot for the quick reply, and I've done it already and testing it now on various devices, I just want to measure the voltage and the current on each port during operation, will that affect the function of the devices? like causing data loss or corruption if there is a data transfer going onI'll be using something like this :
I'll be very careful of course :)and the tests went OK, I only experienced issues with a usb wifi adapter, the connection was poor and kept dropping, I changed the usb cable and the dropping gone, but the connection still poor, (the usb wifi adapter worked fine on that hub before), I think there must be a noise somewhere, do you have any idea where it comes from?, or maybe there is another reason in your opinion.Thanks
I have a few questions here..Can I use one of the USB ports available on the hub to power that hub?What I mean is this :1- I'll get a male to male USB cable.2- I'll plug one end of the USB cable into a USB charger (2.0A, 5V).3- I'll plug the other end of the USB cable into one of the ports available on the USB hub.4- I'll cut the hub's VCC red wire as you mentioned above.so.. 1- Will this work?2- Will the hub then provide the correct power to the rest of the ports (500mA,5V for each of the 3 empty ports)? "assuming it is a 4 ports hub of course", or doing so will need extra steps and procedures? 3- Assuming all ports working at full capacity, if each port requires a 500mA, 5V, so for a 4 port USB hub, wouldn't that require at least a 2.0A, 5V adapter? or will any adapter work? (say a 500mA, 5V), how this works actually?4-Will it be safe to plug my stuff then? USB HDD, external drives (DVD, HDD ..etc), flash drives, card readers ..etc, I mean will there be any extra power delivered to them somehow because of the charger or the cable specifications? do I need to be cautious of same?5- Can I use some or all of ports this way to charge multiple devices while using the hub for data transfer? (mobiles, tablets, power-banks, speakers ...etc)6- Will the hub provide only 500mA, 5V for the ports used for charging? or will it provide more for the charging processes?7- If it will provide more for the charging processes, will that need a more powerful charger? or will my 2.0A, 5V work just fine?8- And finally... is there a USB hub that already does all of what I have been asking about? (I mean powered by one of its USB port (or just a separet USB port), and can be used for data transfere and charging at the same time, with adjusting the specific power each port recieves? like 500mA, 5V for normal operations ports , and 1A, 1.5A, 2.0A 5V for charging ports)Sorry for the too many questions, and this was very useful indeed! thank you!
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