17838 Results for "raspberry pi"

Out of memory: moving to RPi4
Log from Zakhar the Robot
Ok, ROS needs RAM. Just received Raspberry Pi 4 B with 4 GB of RAM and finally I can continue implementation of this structure. Stay tuned!

Step 7: The second way to use CrowPi2 -- Connection diagram
Instructions from Build Interactive Bridge Using Minecraft Raspi
No need. There are many useful sensors and components (more than 20) on CrowPi2, it’s all in one raspberry pi laptop and STEM education platform that allows us to do multiple projects with ease and no sweat! In this case, we will use an attractive and...

Debug, then dump the keyboard and mouse
Instructions from PlayVideo: adaptive video player
Once PlayVideo is running smoothly, there is no need to keep the keyboard or mouse connected. Note that you can add more USB drives if the first one is full. See the instructions for list.txt for addressing multiple USB drives. Sometimes when USB drives...

World's Smallest iMac!
Details from World's Smallest iMac!
In this build, I design and 3D print a miniature iMac. I begin by gently modifying/cutting a Raspberry Pi 4 with my Dremel to fit inside my ultra slim iMac case. (Because after all, who needs extra ports on a Mac, right?) I then paint, prime, and assemble...

One More Thing
Log from TMD-2: Turing Machine Demonstrator Mark 2
As one last finishing touch I added a virtual keyboard to the TMD-2 application with thanks to Anthony Maro and William B Phelps for their PyGame virtualKeyboard module.This mitigates the need for a keyboard and mouse if you are using a touch screen...

Install machinechat
Instructions from Remoticon: MachineChat - A Universal Sensor Hub
Raspberry PI: wget https://cdn.hackaday.io/files/1750857490836640/R1_9_2_mcjedi_armv7rp_R1_9_2.zip unzip R1_9_2_mcjedi_armv7rp_R1_9_2.zip Linux x86: wget https://cdn.hackaday.io/files/1750857490836640/R1_9_2_mcjedi_lin_R1_9_2.zip unzip R1_9_2_mcjedi_lin_R1_9_2.zip...

Current progress with KICAD
Log from Reviving the TI-92 calculator into a RPI PC
I've just updated the GITHUB directory with the latest kicad dev (please is the last nighly built of kicad to open the files) I added the buttons on the board. It is not time to work on the raspberry pi zero and RPI Compute module 4 add. ...

Project back on desk
Log from Reviving the TI-92 calculator into a RPI PC
After a pause, I'm back on the project. I was waiting for a good color display. WaveShare has released a cool 800x480 IPS color touch display (4 inch). This one seems to fit well into the re-visited pc board. Tonight we are going to test the...

Replacement for the 35F Supercap
Log from Raspberry Pi SuperCapacitor UPS with Power Switch
Perfect replacement for the 35F EATON Supercaps Vishay has automotive qualified supercaps with 30F capacity. AEC-Q200 Vishay 225 EDLC-R SuperCap, radial 30F -20 %, +50 % / 2.7V, Ø 18.5 Dia. x 27mmLifetime 500000 cycles, >10 years at 20°C. They...

Menadue PCB for datapak reader/writer
Log from PSION II Datapak and Rampak Reader/Writer
Andrew Menadue has created a PCB for a datapak-tool to read & write to Organiser datapaks. It features an on-board SD card reader, display and control buttons. The board uses a Raspberry Pi Pico for the datapak IO and includes a boost circuit to supply...

Another Cyberdeck
Details from Another Cyberdeck
Just Another Cyberdeck This cyberdeck is meant to be simple to print and easy to assemble. The parts will all be printed on a Ender 3. Since the Ender 3 has a minimally sized build plate parts will be printed in multiple sections...

Software
Log from Face Tracking Mobilephone Turret
DependenciesI start with making preperations in the raspberry PI.All programming in this project is made in Python programming language.Library Servo.IO is used to control the driverboard.CV2 library is installed and used by my program to detect...

LED Matrix Clock/Temp/Humidity display
Details from LED Matrix Clock/Temp/Humidity display
Hardware: 16x32 led matrix https://www.adafruit.com/product/420Raspberry Pi Zero wDHT22 Humidity/Temp Sensor 12mm led momentary button Code: https://github.com/andrew-ski/rpi_led_matrix Case: (Supports were rough) https://www.thingiverse.com/thing:62409...

Footswitch Communication
Log from Pi Pedalboard: Live/Recording Rig
While MIDI was the initial plan to control the two Raspberry Pis in this setup, I have decided to change.Some research into Reaper and also the MODEP software running on the Pis both support OSC input, which allows for control similar to midi, just over...

Building an OpenCV Project In C++
Instructions from GuardMyPi
1. Install CMake on the Raspberry Pi sudo apt-get -y install cmake 2. Save the following under CMakeLists.txt (within the same directory as the project) cmake_minimum_required(VERSION 2.8) project( Project ) find_package( OpenCV REQUIRED ) include_directories(...

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