All Questions
Tagged with raspberry-pi power
54
questions
0
votes
0
answers
76
views
Connecting and charging 2 gopro cameras to a raspberry pi further away than 3 meters
I want to connect 2 gopro cameras via usb to a raspberry pi, and charge them as well.
Because the raspberry pi can't provide enough current via its usb ports, I'm injecting 12v from the same power ...
1
vote
1
answer
48
views
Determining Power Supply Requirements for an 8x4 Grid Display of Chained 32x64 Pixel LED Matrices
I am planning to build an 8x4 grid display using chained 32x64 pixel LED matrices driven by a Raspberry Pi, and I've found mixed information online about the power supply required for such a setup. ...
- 13
1
vote
0
answers
91
views
Raspberry pi inside CRT TV - piggyback off a 220v line on a TV main board?
I would like to mount a Raspberry Pi device inside an old CRT TV (yes, I am well aware of CRT safety protocols, I've been restoring them for a few years now).
The Raspberry Pi is powered using 5 volts ...
- 11
0
votes
1
answer
461
views
Tap power from 3D printer PSU to a Raspberry Pi 4
Would it be possible to power a Raspberry Pi 4 by tapping some power from the PSU of an Elegoo Neptune 3 Plus printer? Since the Raspberry Pi requires 5V to run I understand that I would have to get a ...
4
votes
1
answer
163
views
USB device introduces noise on GPIO pins of Raspberry Pi
I have been experiencing some trouble with the GPIO outputs of a Raspberry Pi 4 when a certain USB device is connected. The GPIO of the Raspberry Pi works perfectly fine when the USB device is not ...
- 43
1
vote
0
answers
53
views
Self power-off using UPS and GPIO
I'm working on a project that include RPI that needs to be off when not used (cut off the main power for it)
Input power 12V
Charger Unit has input of 12V and charge a single cell Li-Po battery "...
- 55
-1
votes
1
answer
169
views
Connecting multiple Raspberry Pis to the same power [closed]
I am trying to make a smart fridge.
In the fridge, I have 4 shelves. Each shelf has a Raspberry Pi 4. I don't want a mess of cables in the fridge. Because of that, I want to make a power module (or ...
- 29
0
votes
4
answers
733
views
What gauge wire is acceptable from 15 amp power supply with low current demands? [duplicate]
I am looking to directly power a Raspberry Pi for my 3D printer from its existing power supply. The terminals on the power supply appear to be ~15 amps max output at 24V. I already have a buck ...
- 103
0
votes
0
answers
119
views
How to properly link / gather lots of VCC and GND?
I have a system where I have quite a few sensors (more than 10). The signal pins are connected to the Raspberry Pi - but the sensor VCC and GND are not since there's not enough 5V pins.
I was thinking ...
0
votes
1
answer
661
views
USB 2.0 Externally Powered by 5V Supply
I was wondering if the following is possible:
I was hoping to be able to do the above with my USB 2.0 10m active extension cable as I cannot find a Y version of the same cable, to simply cut the male ...
- 1
1
vote
1
answer
55
views
Calculating battery life considering the capacity drops depending on load current (2 x 4 AA-packs in parallel)
This is a very recurrent question, about calculating the battery life given certain circuit current usage.
This example will be similiar to this one in terms of the battery used and the consideration ...
0
votes
1
answer
1k
views
Device (Rasberry Pi device called a Bobcat 300) continues to burn out power adapters
I have a Rasberry Pi device (a Helium miner, a Bobcat 300), and I'm now on my 6th power adapter for the device, as all of the previous adapters have burnt out after 1 or 2 weeks.
Here is the pertinent ...
1
vote
2
answers
240
views
Providing sufficient power to multiple components inside of an enclosure with one power input [closed]
First of all, I apologize ahead of time if my terminology is a bit off. I'm more of a software guy, so the hardware side of things is a little tricky for me. My problem is as follows:
I'm building a ...
- 41
0
votes
1
answer
37
views
How do I determine my new power requirements when switching my peripheral to Raspberry Pi
Problem:
I have just moved my camera array USB peripheral from a MacBook Pro to a Raspberry Pi 400, and the Pi can only see at most 19 of the 24 cameras that the MacBook Pro can see. I think this is ...
- 101
4
votes
2
answers
334
views
Power spliter for Raspberry pi and servo motor
I have a raspberry pi. I want to control a 12 volt motor (low torque). I believe the motor only has two connectors, and when it is powered it goes. The motor goes off of 12 volts where as the ...
- 149