So I continue to troubleshoot the PCB. I hooked up the motor with a variable power supply and got to see the motor jitter a little bit but it caused the power supply to over current and something is just not right with the commutation stages. One...
The prior log showed the common wiring of the control lines which gives us a basis to work from when figuring out how to power this module.For convenience and reliability, it is much preferred if the add on module can be powered from the existing system,...
The wifi stability seems to have been restored with the new wifi dongle. I've reattached all the external circuits to the PI and all seems well. No other hardware changes have happened since the wifi flakyness popped up. On the software side, I've...
The master server attempts to resolve a request for publishers by looking up the node name in a table and then comparing the URI of the request to the URI of the node retrieved from the table. If the 2 URI's do not match Master will attempt to shut down...
No doubt that the Raspberry Pi was the Board bringing embedded Linux to hobbyists and tinkerers. In fact I was one of the very early birds purchasing one. As you might remember RS and Farnell got DDOS'ed very badly - it was an awesome feeling seeing...
Went to fire up the machine, AND I realized it only runs code from the serial prompt, NOT from gcode text. Whoops, may need an easier way to get around the Marlin hotend temp warning/shutdown. I'll fix it asap
The original design at the end of last year used a 3.7V LiPo and USB charging, this was always my preferred way and still may resurface if I do a version 2 with touch screen, however it got lost along the road to reducing the BOM and version 1 so the...
There are many flavors of Linux available for the Raspberry Pi, so I will focus on the generic Raspbian build as well as one for Arch Linux. Why Arch? I am using MinePeon in my Bitcoin mining rig!Raspian:First, install git if you haven't already:sudo...
Made friends with a couple of electrical engineering majors this semester, one of which said he can build the 12v to 5v signal converters for me so I can continue working on this. Hopefully I can then start prototyping and see if I like the RPi or Arduino...
R2 of OpenGen has been going well so far. I have made plenty of changes: I will need a four-layer board for the fast analog parts, which provides easier power supply routing and much better grounding. However, they're expensive and I don't need one for...
The new ATXRaspi R2.6 (or R2.5 marked with blue dot) brings reboot functionality in addition to the shutdown function present since inception. See video above for a complete review and demo.The differences are the following:to reboot: hold the button...
In this step we are going to connect the hard disk drive. Most of these drives have a management and security software on them. We will be eliminating this probably. Some of the new drives may boot right up and be available for immidiate use by the Odroid....
Been working on other projects, even ones dependent on this board :). Anyway, I finally made one correctly after an additional issue with updating copper pours. The new design should support full current quite well and tests out OK. There is one 'smart'...
So the LTC3525 board turned up today and I've been doing some power testing. Running the basic board from a CR2032 battery doing only limited advertising (every ~5 seconds), the board consumes 28uA on average. If we run the battery through the LTC3525...
Living in a tropical country, rooms that are not air conditioned can get very hot. Considering this, the kitchen is a good place to start using domotics, since it does not have conditioned air. In this room, i want to manage two things : lights and temperature.Air...