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Archive for the ‘R-Pi’ Category

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 »

Homebrew Raspberry pi shutdown button

Monday, July 25th, 2016

Facelesstech made his own Raspberry pi shutdown button and wrote a post on his blog detailing its assembly: One thing I learn from my last shut down button was that the raspberry pi has internal pull up resistors so I didn’t need a 10k and a 1k pull up resistor on this design....

Posted in DIY, R-Pi | No 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 »

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 »

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 »

TinySensor server

Wednesday, July 1st, 2015

Steve's TinySensor server project, that is available at Github: Well after almost a year I decided it was time to update this project with improvements to both its hardware and software. On the hardware side, the server is still the original Raspberry Pi model B, but I've mounted the nRF24L01+ radio...

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Posted in R-Pi, sensors | No Comments »

Video: Wireless Intrusion Detection System with Raspberry Pi

Monday, June 15th, 2015

Chris Jenks presented at this weekend's Circle City Con in Indianapolis, IN. Chris is a graduate from Eastern Michigan University with a Bachelor of Science in Information Assurance. He works full time doing security audits, firewall design, network consulting, and troubleshooting. His Raspberry Pi WIDs was published in the Linux...

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Posted in Linux, R-Pi, security, Videos | 2 Comments »

Home Control 2015

Thursday, April 9th, 2015

Peter Scargill writes:  If you’ve read my early blogs you’ll know I do a lot of work with a pal of mine, Aidan Ruff. We had an R&D company for years and one of our products was a home control system which was plastered all over the UK tech press...

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Posted in Arduino, R-Pi, wireless | No Comments »

IoT Arduino vending machine

Friday, April 3rd, 2015

Kristian Lauszus writes, "In this blog post I will describe a IoT (Internet of Things) Vending Machine that I built quite some time ago with a friend of mine Sigurd Jervelund Hansen. At Sigurd’s dorm room they got hold of an old vending machine free of charge, as it did not...

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Posted in Arduino, R-Pi | 1 Comment »

Arduino compatible LightBlue Bean adds Node-RED support

Sunday, March 29th, 2015

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Posted in Arduino, R-Pi, RF, wireless | 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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Posted in R-Pi | No Comments »

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 »

8×8 RGB LED array with a Raspberry Pi

Thursday, February 26th, 2015

Bob Davis has been working on an 8x8 RGB LED array with a Raspberry Pi project: I have been working on a book of Raspberry Pi projects. One of the projects is an 8x8 three color LED array. I picked up some more of them on eBay lately and they had a...

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Posted in LEDs, R-Pi | No Comments »

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