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Raspberry Pi Projects

274 posts
The Remote Home Monitor will encourage you to upgrade your home to a smarter and more secure one, offering safety measures, protection, monitoring and key indicators for later improvement using the Nova Cellular USB Modem and a Raspberry Pi.   This project is not about just turning ON/OFF a light from a smart phone. It is focused on integrating a network of sensors, nicely presenting the data in a dashboard, monitoring and controlling all the features with a simple and friendly user inte ...
One of the few things that bugs me about shutting down the the Raspberry Pi is how I need to toggle the power supply to start it back up. There are a few solutions around, like an inline power switch, or the MoPi shield.. or just pull the micro USB plug out of the socket & plug it back in again. None of these I was particularly impressed with, and I wanted something a bit more intuitive & automated (which makes it easier for the kids and wife to use).   In a previous project, I'd u ...
We reached out to Element14 for advice for our next project which is more of an appliance than a project.  They recommended the Matrix Creator.  It is a FPGA driven device that mounts to the Raspberry Pi.    It has a ton features: 3D accelerometer, 3D gyroscope, 3D magnetometer, temperature sensor, ultraviolet sensor, pressure sensor, humidity sensor and 8 MEMS microphone array. Xilinx Spartan 6 FPGA and an Atmel ATSAM3S2C Cortex-M3 MCU RGBW LED light array IR RX/TX for ...
hi everyone, im working on my first small electronics build, a handheld retropi. ive decided to use a teensy to make building the controller simpler for me. its a teensy 3.6. I'm not too familiar with interpreting the pin chart that it comes with. I know that the ones with an A can be used for analog devices such as joystick potentiometers. I'm wondering if there are limitations on which pins can be used for simple tach buttons. My controller design calls for roughly 20 buttons: 7 "regular ...
Introduction Working on a recent Pi project, I needed to use some servo's. This blog post discusses a servo controller project that can be used for toy and model cars, planes, model robots and so on. There are existing controllers out there, but I didn’t have one, and besides some of them seemed expensive – I didn’t want to spend $15+ on something I could make for $2. Also this was an opportunity to try to design something hopefully better (in some ways) than existing off-the-s ...
Hello,   Is anyone working on the use of the Raspberry Pi Camera module as a heart rate sensor? I am new to using Raspberry Pi. I want to build a non-contact real-time heart rate monitoring system using Raspberry Pi 3 Model B and Pi NoIR camera. I found two related projects which are: https://github.com/prouast/heartbeat https://github.com/thearn/webcam-pulse-detector   Is it possible to build this system using Raspberry Pi? Also, Is it possible to calculate FFTs and FFTs on the ...
rctho

Raspberry Pi Kiiboard

Posted by rctho Jan 31, 2018
Another as seen on the internet project. I scored a busted Happy Hacker keyboard at work so naturally, i took it apart. most of the broken pieces i would have had to melt off to make the Pi board fit into it anyway.     The challenge; how do i get this Raspberry pi into a small keyboard that already had a pcb in it.     First i had to remove everything from the board. I started off delicate cause i didn't want to damage it, but these lil' guys are tough! i had to be p ...
The Remote Home Monitoring with Hologram Nova will encourage you to upgrade your home to a smarter and more secure one, offering safety measures, protection, monitoring and key indicators for later improvement using the Nova Cellular USB Modem and the Raspberry Pi. This project is not about just turning ON/OFF a light from a smart phone. It is focused on integrating a network of sensors, nicely presenting the data in a dashboard, monitoring and controlling all the features with a simple and frie ...
Raspberry Pi Media Center: Part 2 Join Les Pounder as he guides us through turning a Raspberry Pi into a Media Center! Learn about Raspberry Pi, XBMC, Plex and even Kodi streaming services. Check out our other Raspberry Pi Projects on the projects homepage Previous Part All Raspberry Pi Projects This is the Final Part.  In this final part, we finally reach a point where we can build the project!   After a few notable false starts I’ve cracked it! No not the screen...well ok ...
Hi guys, i'm searching for people that would like to join me adding this nice emulator on the PI. NeoGeo CD SDL does have cd-rom only support and it's a great choice for people like me that would like to have a "new" neo geo cd, because the original hardware is expensive, unreliable and had low loading times.   This emulator was maded for DOS, then went for Windows, then it was ported to linux, beos, Xbox, Dreamcast end even Ps2. There's a new console coming up, called SEEDI, that'll be ...
Raspberry Pi Media Center: Part 2 Join Les Pounder as he guides us through turning a Raspberry Pi into a Media Center! Learn about Raspberry Pi, XBMC, Plex and even Kodi streaming services. Check out our other Raspberry Pi Projects on the projects homepage Previous Part All Raspberry Pi Projects Next Part Don't worry I haven't been pulled into a black hole, lost at sea or trapped in an evil dungeon, but it has been awhile since the last blog post, so let's recap on what has happened since t ...
The Holiday Special Enter Your Project for a chance to win $100 Shopping Carts, Gifts to Give, and a  3D Printer! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   Raspberry Pi Perpetual Yule Log demo. I address the video transition glitches in the writeup below. Otherwise, I got to say... for a drop-and-forget yule log video player, it's pretty useful.   Background:   Who doesn’t like a fireplace? Who doesn’t like the Yul ...
The Holiday Special Enter Your Holiday Project to win a 3D Printer Prize + a STEAM Kit to Give or a $100 Shopping Cart + a Shopping Cart to Give! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll     A demo video for the IoT Ornament Texter. It worked out pretty well. I think this would make a cool gift for some family members.   Background:   Holiday time!   Heartwarming is central to the season. I made a surprise message receivi ...
I tried to use the Element14 Pi Desktop.  My mSATA disk works when I use a USB adapter on Windows.  When connected in the desktop, I try sudo  ppp-hdclone which doesn't see any drives. When I reboot with bootable microSD card reinserted, I see four raspberries but nothing happens after that.  It appears all USB connected devices no longer work.   Can my Raspberry Pi 3 be unbricked from this situation or is this Pi gone forever? ...
rctho

What's a PiJack?

Posted by rctho Nov 21, 2017
I needed to extend the wifi range of my router with a minimal footprint in my apt. I didn't want more peripherals plugged in all over my apt. I used a RPi0w for the wifi repeater and jammed it into a two gang receptacle box. Two usb ports (one is for console connection) and kill switch, or reset button in case the computer hangs. The console connection will also power the Pi in case the power goes out.   First i had to attach the antenna. I found tutorials online that looked easy enough ...

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