All Questions
17 questions
0
votes
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24
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Waveshare display acting wierd
I am using a waveshare 7inch display it was working well but today when i connexted it to raspberry pi the output is unexpected
Please help me out
Thanks in advance
- 9
2
votes
2
answers
178
views
Is there a way I can use the HC-SR04 (ultrasonic sonar) along with the LCD display?
I have a Raspberry Pi4 Model B, with a 3.5" LCD display attached:
Since the display occupies the first 26 pins, and therefore also the power supply ones, is there a way I could use the HC-SR04 ...
- 123
0
votes
1
answer
62
views
Powering aAdafruit PiTFT 2.4" HAT Mini Kit - 320x240 TFT Touchscreen. via a power bank. (Needs a bit more power)
I've been having problems getting this set up and now I do believe I know why.
I got an Anker Power Bank (26,800mah) Not the Power Core +
Input: 5V ⎓ 4A (5V ⎓ 2A Max Per Port)
Output: 5V ⎓ 6A (5V ⎓ 3A ...
- 1
2
votes
4
answers
16k
views
Connecting to a raspberry pi 4 using a docking station?
I've just purchased the Pi 4 model B and am buying the parts I need. I have a docking station I usually use for my laptop and was wondering if the Pi can be fully set up using a docking station via ...
- 123
1
vote
1
answer
517
views
Should I power RaspPI + peripherals from hub or use GPIO?
I’m planning my first “proper” Raspberry Pi project.
I want the end result to be user friendly, and so should use only a single power source.
But internally I need to power several separate devices: ...
- 113
1
vote
1
answer
266
views
How to physically turn the a Raspberry Touch display on and off?
I use a Raspberry Pi Touch Display that I connect like shown in the following picture to my Raspberry. The black and red wires are connected to thee GND and 5v pins respectively. Now I want to ...
- 21
0
votes
0
answers
245
views
Raspberry Pi 3 b+ not booting
I've Raspberry Pi 3 b+ which is 2 years old since I purchased it. Recently, it has started behaving very strangely. I've installed a new rated power supply (5V 2A) for Pi board.
The board runs fine ...
- 11
1
vote
0
answers
84
views
Physically turn the Raspberry Pi Touch display on and off with a switch
I use a Raspberry Pi Touch Display that I connect like shown in the following picture to my Raspberry. The black and red wires are connected to thee GND and 5v pins respectively. Now I want to ...
- 21
1
vote
2
answers
3k
views
How to determine the power state of the connected monitor
Main Question: Can my raspberry pi (powered on it's own) determine if power is being supplied to the monitor (powered by a wall plug)?
I'm trying to determine the power state of the display that is ...
- 11
1
vote
2
answers
272
views
The best way to connect the 7” touchscreen
I have a pi 3 model B+ and the official raspberry Pi PSU, and the official 7” touch screen. I’m running Raspbian with all the latest updates.
I have connected the display using a USB cable as ...
- 135
2
votes
2
answers
1k
views
Is it possible to power a 3b+ and the display with the poe hat?
For a project I would like to power the 3b+ and the official 7” touch display using the official POE hat.
I figured that I could connect the display board to the pi via the jumper wires to 5v and GND ...
- 31
5
votes
4
answers
16k
views
Raspberry Pi Monitor goes black periodically
I have a Raspberry Pi 2 connected to a Dell 1707FP monitor via an HDMI-to-VGA cable. Every minute or so , the screen will randomly turn black for a second and then return. This occurrence happens ...
- 59
1
vote
2
answers
1k
views
Can I mount a 2.4" monitor onto Raspberry Pi Zero through GPIO pins?
Can I mount the 2.4" monitor onto the Pi Zero, through the 40 GPIO pins, after they are soldered on them?
I am referring to this monitor: Adafruit 2.4" PiTFT HAT with Resistive Touchscreen Mini Kit.
...
- 47
1
vote
1
answer
443
views
HDMI to VGA adapter power
I have a Raspberry Pi Model B, and I would like to plug it in a VGA computer monitor. I have been reading about this subject, but I am no expert in electronics, and so I am afraid I might end up being ...
- 121
2
votes
1
answer
1k
views
Power on display results in blank screen
I'm currently trying to write a simple script that turns on and off my monitor connected to the rpi via hdmi-to-dvi cable.
I can turn off the monitor without issue using:
tvservice -o
However when ...
- 203
2
votes
2
answers
5k
views
libCEC not working on LG TV (LD330)
I've just installed libcec on my Raspberry Pi B+ with (raspbian on it), following the instructions from here (https://nyxi.eu/blog/2013/04/15/raspbian-libcec/).
I want to be able to turn on/off the ...
- 662
2
votes
5
answers
16k
views
Pwr LED is solid red, OK LED flashes green once, no display
Power is good - I've tested with a voltmeter. According to this link, the SD card image is not written properly yet:
The Raspberry Pi cannot find a valid image on the SD card. Check card is ...
- 21