Development environment for RPico without USB
Goal: use a microprocessor (most likely RPi Pico, i.e. RP2040) for SDR analysis in combination with RTL2832U (typical rtl-sdr dongle) and output some information on a small LCD display (connected with...
View ArticleWaveShare display only works after being hot swapped
I have a HDMI WaveShare display which remains blank when the Raspberry Pi is booted with it connected (the backlight comes on momentarily so it's getting power via USB) but it works fine when I boot...
View ArticleBreadboarding: pins connection
I have bought a raspberry pi some time ago, and I have been written some code, but now I need to take use of the breadboarding material. I don't really understand how and where should I connect a...
View ArticleHow to SSH into Pi using a script?
I'm trying to create a script on my computer that will SSH into my Raspberry Pi and automatically configure some WiFi options (over USB→serial cable, with screen). I am running into issues getting SSH...
View ArticleE: Package 'python-wxgtk2.8' has no installation candidate
I'm having trouble installing sudo apt-get install python-wxgtk2.8 python-wxtools wx2.8-i18n libwxgtk2.8-dev at Pi4.It failed with:Reading package lists... DoneBuilding dependency treeReading state...
View ArticleJavaFX application does not accept touch inputs
I am trying to run a javaFX application on a raspberry pi 3b+ with a 7" 1024x600 touchscreen by Lebula. When I plug a mouse in, the application works as normal, but, when I try to use the touchscreen,...
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Linux wifi hotspot
I start with the Dependencies from this tutorial: https://github.com/lakinduakash/linux-wifi-hotspot I get the ui by typing wihotspot into the terminal. At wifi Interface I can just select wlan1, and...
View ArticlePiCamera2 images with boxes and labels overlay with vis_util
I'm trying to get integrate tensorflow and picamera2 to do some basic object detection.The logic works out fine (I think), but I'm struggling to draw the boxes/labels deduced on top of the image.camera...
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Pi camera issue
I'm using raspi 3b and I'm not getting the camera option in the preferences menu, I have tried updating the os also.
View ArticleKano will not update/upgrade
I did see someone else getting the same 404 error when trying to update but no solution.Is there a way to bypass raspbian stretch to further update? We have the kano build your own tablet. I have tried...
View ArticleCan you transfer data through a raspberry to a PC?
I want to plug my mouse into a Raspberry 4 / 5, and plug the Raspberry into my PC via USB, is it possible to transfer my mouse data trough the Raspberry to my PC, while the Raspberry corrects my mouse...
View Articleraspberry pi bluetooth not showing up on Mac
I have a bluetooth server that I wrote in python running on a Raspberry Pi Zero, and it works great. I can connect to it from my iPhone and I have python code that connects to it running on my Mac. The...
View ArticleNot able to pair Raspberry Pi3 and iBeacon using Bluetooth
In my current project, I am working with iBeacon in the area of IoT. Basically iBeacon works on Bluetooth wireless technology. I am using Raspberry Pi 3 (with in-built WiFi and Bluetooth).Pi 3...
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AVFrame YUV420P to dispmanx VC_IMAGE_YUV420
I'm using ffmpeg for decoding a video with h264_mmal encoder. And all test videos are in YUV420P color encoding. Also I'm using dispmanx for drawing frames from a video. Only problem which I have is...
View ArticleMonitor Displaying "No Signal" with RetroPie at Powerup
I'm in the process of building a game console using RetroPie and a Raspberry Pi 3. I'm connecting the Pi to a monitor via HDMI, and I'm powering both using a power strip with an on/off switch, to allow...
View ArticleHow to light up picamera LED without taking photo
I want to light up the picamera LED using python for a few seconds as a test to see if it works, without actually taking a photo. And yes I know I can test that by just taking a photo and watching it...
View Articlecannot connect to the internet - stretch
I am trying to get my pi 3B+ (stretch) back online but it does not work anymore. it was working until last week. plugging a windows PC on the same ethernet plug and using the same settings works. I...
View ArticleSerial commands over Ethernet RPi 3b
I am trying to send LinBus protocol serial commands over the ethernet port of my Raspberry pi to a linear actuator connected on the other end via ethernet.Currently, I am using pyserial script to...
View ArticleVNC Client on Raspberry PI Zero
I need to use VNC Client on Raspberry PI Zero. It doesn't have network interfaces, so I probably need to connect Raspberry via mini-usb to my Android phone. How to configure such network (via USB)?...
View ArticlePowering a Raspberry Pi without a micro USB cable
I want to attach a Raspberry Pi to hardware I'm developing. There is already +5v and GND available on the hardware. Is there any way to power up my Raspberry Pi from this (I just wanna avoid another...
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