Hmm... I'm starting to suspect this particular mains switch might be making the cardinal sin of being wired on the neutral instead of the hot, allowing some phantom voltage to still be present on the USB plug. Some rewiring may be in order.

Whenever possible I'm also shutting down cleanly first, so I'm not worried about that part. I'm worried about the fact that if power is lost, I have no way of bringing the system back up without physical access, which is a serious problem. I even just tried it with the mains power completely physica...

I'm trying to set up my Pi as part of an integrated system, where it may be necessary to power cycle the entire system, including the Pi. I was planning on doing this with a network-controlled PDU that can turn individual power sockets on and off. However, it seems that when I do this, the Pi never ...

Man, I understand the design change, but as a user with a case where the SD card fits flush to the case edge (to prevent the accidental ejects, and also because it's just a lot cleaner that way), this change really annoys me. I'm gonna have to trash my case in order to access the SD card, or else di...

I'm looking for a 3G dongle to use for a project at work. The main issue is that my work currently has a contract with U.S. Cellular, and it seems like almost all (if not all, some I can't find info on) of the supported dongles are GSM, and I need CDMA. Are there any known working dongles that work ...

I'm working on a project to basically take input from a USB HID input and convert it to MIDI output. I've seen a lot of people building GPIO serial<->MIDI interfaces, but I've heard it requires a ton of CPU cycles to pull it off. Would a USB MIDI interface be better suited for this task? My ideal se...

Ok, so then 2 questions: First of all, how does the motherboard turn off the power supply? Does the power-on line on the ATX supply also control the 4-second-hold hard shutdown behavior? And second, is there any way to trigger a clean, ACPI-like shutdown with a GPIO interrupt? I've seen conflicting ...

Raspbian Wheezy. KB and trackpad both work, but I have to replug every reboot.

I seem to have posted in the wrong browser tab, resulting in posting in the wrong sub-forum... sorry about that. Any chance of moving this to a more appropriate sub-forum?

I'm building a project inside a rack-mount server chassis, powering the Pi as well as other peripheral hardware using the internal ATX power supply. I'm wondering if it's possible to wire up the Pi to do a proper ACPI shutdown the way a PC would (press the chassis power button, clean shutdown, hold ...

I'm building a project inside of a rack mount server chassis, which already has the ATX power supply. For this project, the ATX PSU is definitely the best option.

Hmm, ok. I'll have to look into it some more. I definitely need the live rails, because I will be needing the 12V rail as well, since I need a 9V source for a piezo contact mic preamp (12V rail -> 7809). I'll definitely use that breakout board as a reference, but I'm already building a board, so I m...

I would think that a PC power supply would be pretty consistent with its voltage levels... according to the specs on the product page, the PSU I have can source 5V@12A, so at least power consumption isn't going to be an issue :roll: If nothing else, I'm already going to be constructing a simple PCB ...

Is it possible to use the 5V rail from a typical PC ATX power supply to power the RPi? Are there any concerns I should take into consideration if I want to power it this way?