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Posts Tagged ‘Raspberry Pi’

Building a Midi hat and jukebox using the Raspberry Pi

Wednesday, October 25th, 2017

Dr. Scott M. Baker has published a new build: I picked up a Roland SC-55 to use with my retrocomputer setup recently, and I figured it would be cool to turn the thing into a standalone midi jukebox, so that no “computer” is required. I also figured this would be...

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Posted in R-Pi | No Comments »

The Boat PC – a marine based Raspberry Pi project

Friday, September 8th, 2017

Domipheus has published a new build: In late 2015 I was doing my usual head-scratching about what gifts to get various family members for the holiday season. My wife mentioned making something electronic for my father-in-laws boat, and after a few hours of collecting thoughts came up with an idea:...

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Posted in DIY, R-Pi | 2 Comments »

Raspberry Pi soft power controller – the circuit

Tuesday, June 13th, 2017

James Lewis has been working on a Raspberry Pi soft power controller, that is available on github: The RetroPie project enables retro-gaming with a Raspberry Pi. All of the Pi models have enough computing power to emulate the major 8-bit and 16-bit computers of the 80s and 90s. With the...

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Posted in R-Pi | 5 Comments »

Using Python to store data from many BLE devices

Thursday, June 8th, 2017

Erich Styger has written an article describing a technique he used to collect and store data from several BLE devices with Raspberry Pi and Python scripting: BLE (Bluetooth Low Energy) sensor devices like the Hexiwear are great, but they cannot store a large amount of data. For a research project...

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Posted in ARM, techniques | No Comments »

Build your very own drink mixing robot

Tuesday, May 9th, 2017

https://youtu.be/V-PAW3KoB_A Yu Jiang Tham designed and built his own bartender robot named Bar Mixvah, that is available on Github: I built a robot that mixes drinks named Bar Mixvah.  It utilizes an Arduino microcontroller switching a series of pumps via transistors on the physical layer, and the MEAN stack (MongoDB, Express.js,...

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Posted in 3D Model, Arduino, DIY, tutorials | No Comments »

Raspberry Pi RF frequency counter

Tuesday, October 11th, 2016

A Raspberry PI RF frequency counter project from Scott Harden, that is available on GitHub: Raspberry PI RF Frequency Counter with Python Interface. The RF signal clocks a 32-bit counter (SN74LV8154) connected to a 16-bit IO expander (MCP23017) accessable to the Raspberry Pi (via I²C) to provide real-time frequency measurements from...

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Posted in R-Pi, RF | 3 Comments »

Binary clock

Thursday, October 6th, 2016

Frederick Vandenbosch made a binary clock with Raspberry Pi Zero and Unicorn pHAT. He documented the whole process on his blog: At the center of the project are a PiZero and a Unicorn pHAT. The PiZero fetches the time, converts it to binary and controls the Unicorn pHAT with a...

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Posted in clock, R-Pi | No Comments »

An open source 3D Scanner made with Raspberry Pi

Saturday, July 30th, 2016

Boris Landoni from Open Electronics writes about a new open source 3D Scanner made with Raspberry Pi: This being said, we may move on to talk about our 3D scan approach, that consists in using a linear laser, that is, one capable of drawing a vertical line having a constant luminous intensity, and...

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Posted in 3D fabrication, open source, R-Pi | 6 Comments »

Pi Zero POV

Saturday, July 2nd, 2016

Francesco over at Garage Tech posted a detailed how-to on building a Raspberry Pi Zero POV setup to display text from a file using an LED: The most important part of getting the Pi Zero POV to run smoothly is given by how do you fix the payload of this...

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Posted in R-Pi, tutorials | No Comments »

Using a Bus Pirate to connect to a Raspberry Pi

Tuesday, May 3rd, 2016

Scott Dixon describes on his website how he used the Bus Pirate to connect to a Raspberry Pi: The other day I found myself with a Rasberry Pi that I wanted to use but I had forgotten my FTDI UART cable. What I did have is my Bus Pirate v3.6...

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Posted in Bus Pirate, how-to, R-Pi | No Comments »

Raspberry Pi web server using flask to control GPIOs

Wednesday, April 27th, 2016

Rui Santos from Random Nerd Tutorials writes: In this project you’ll create a standalone web server with a Raspberry Pi that can toggle two LEDs. You can replace those LEDs with any output (like a relay or a transistor). In order to create the web server you will be using...

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Posted in R-Pi, tutorials | No Comments »

BeagleBone Black GPIO Benchmark

Tuesday, April 26th, 2016

Joonas Pihlajamaa from Code and Life writes, " I've previously made a GPIO benchmark of Raspberry Pi 1 and 2, and have always wanted to see how BeagleBone Black would stack against the Pis. I recently got one so the obvious thing to do was to see how fast the...

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Posted in hacks, R-Pi | 4 Comments »

Bringing a vintage telegraph into the digital age

Thursday, April 7th, 2016

Kyle Gabriel writes: I recently inherited a key on board (KOB) telegraph that my late grandfather used to practice Morse code with when he was a kid (Figure 1). A little bit of curiosity of how it would work and a little bit of displeasure from seeing it sit and...

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Posted in hacks | No Comments »

Home automation with Telegram BOT

Tuesday, October 13th, 2015

Luca Dentella has written an article describing how he developed a bot to control his Raspberry Pi via Telegram:  The project I’m going to describe today it’s a sort of proof of concept that will demonstrate the possibility to remote control sensors and actuators (for example a couple of relays) via Telegram....

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Posted in R-Pi | No Comments »

Windows 10 IoT core controlling a Raspberry Pi 2 robot

Friday, August 21st, 2015

Windows 10 IoT Core running a Raspberry Pi 2 robot by Scott Hanselman: Starting with a Raspberry Pi 2, walk through the setup instructions here. You do need to have a Windows 10 today to installing Windows 10 IoT Core but at least it's gotten a lot easier with the...

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Posted in R-Pi, robotics | No Comments »

Raspberry Pi garage door controller

Friday, August 14th, 2015

As a follow up to yesterday’s Raspberry Pi and ARM uC Breakout + DirtyPCBs mini-review post,  hipfan75 has posted the completed Raspberry Pi-based Garage Door controller project: Right now, all of the sensors and actuators are connected to Raspberry Pi GPIOs. At some point I may move them to the...

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Posted in ARM, DIY, R-Pi | No Comments »

Raspberry Pi and ARM uC Breakout + DirtyPCBs mini-review

Thursday, August 13th, 2015

hipfan75 writes: Briefly, it's a Raspberry Pi v1, Model B, Rev2 breakout with an STM32F030 microcontroller connected to the Pi UART, with all GPIOs for both broken out. There are also connectors for an NRF24L01+ module, a 12V boost module, and 315/433 Mhz wireless transmitters. One board will serve as...

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Posted in DirtyPCBs.com | 1 Comment »

Build a drawbot from two CD drives and a Raspberry Pi

Monday, July 20th, 2015

A DIY plotter build using old CD drives and a Raspberry Pi by Norbert Heinz: The battery powered WLAN plotter shown here is composed of parts from two old optical drives, four H bridges, a servo and a Raspberry Pi. Project info at HomoFaciens site. Via Make. Check out the...

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Posted in DIY, R-Pi | No Comments »

Raspberry Pi Videolooper

Friday, March 27th, 2015

Steven Hickson writes: Introducing videolooper 3.0! This image is compatible with the A,B,B+, and B 2 versions. I have a brand new version of the Raspberry Pi Videolooper that is compatible with the new B V2 and has a bunch of new features that streamline it for easy use. It...

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Custom DIY RFID smart lock

Monday, March 16th, 2015

In this video Craig demonstrates his custom DIY RFID smart lock project: The goal of this project was to design an inexpensive rfid door lock which could be opened via smart phone, and have all activity logged w/o utilizing any 3rd party servers or cloud hosting. Via Hacked Gadgets. (more…)

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Posted in R-Pi, RFID | No Comments »

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