Posts Tagged ‘Raspberry Pi’

Raspberry Pi based indoor air quality monitor

Tuesday, March 5th, 2019

Dr. Scott M. Baker made this Pi-based environmental monitor and wrote a post on his blog detailing its assembly: For years I’ve followed the “uRadMonitor”, a device that does air quality monitoring and radiation monitoring. I’ve played with geiger counter projects before and frankly found them to be not very interesting....

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Simple I2S stereo decoder with amplifier

Friday, February 1st, 2019

Dilshan Jayakody published a new build: In this project we build simple I2S stereo decoder with amplifier. To decode I2S data we use Princeton Technologies PT8211 16bit DAC. KA2206 audio power amplifier is used as driver stage of this system. Structure of this I2S amplifier is self-explanatory from the schematic....

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DakBoard family calendar with Raspberry Pi Zero W and Read Only filesystem

Tuesday, December 4th, 2018

Scott Hanselman made this DakBoard family calendar with Raspberry Pi Zero W and wrote a post on his blog detailing its assembly: The implementation is simple genius. It's a browser that starts up full screen (kiosk mode) and just sits there and updates occasionally. DakBoard provides the private webpage and...

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Making an e-Paper Etch-a-Sketch

Monday, November 12th, 2018

Scott Baker has been working on making an Etch-a-Sketch using modern e-Paper displays and optical encoders: Above you can see my prototype. I’m using a 4.2″ e-Paper display from Gooddisplay, together with the Waveshare breakout board. I have a couple of ENS1J-B28-R00128 optical encoders that I attained on eBay. I...

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Project PITA: Build a mini mass deauther using Bettercap and a Raspberry Pi Zero W

Friday, October 12th, 2018

evilsocket shared a how-to on making a mini WiFi deauthenticator using Bettercap and a Raspberry Pi Zero W: A few days ago I started playing with some idea I had from a few weeks already, using a Raspberry Pi Zero W to make a mini WiFi deauthenticator: something in my...

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Posted in R-Pi, wireless | No Comments »

Pocket Pi

Monday, September 17th, 2018

A Raspberry pi zero w pocket terminal project from Facelesstech, that is available on Github: So if you have been following my blog lately you may have noticed me rambling on about trying to get a Xbox 360 chat pad and an ps3 keypad working with a raspberry pi to...

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Tutorial: Setting up a low cost QRP (FT8, JT9, WSPR etc) monitoring station with an RTL-SDR v3 and Raspberry pi 3

Tuesday, June 19th, 2018

A detailed tutorial on how to set up a cheap QRP monitoring station using an RTL-SDR V3 and a Raspberry Pi 3 from This tutorial is inspired by dg0opk's videos and blog post on monitoring QRP with single board computers. We'll show you how to set up a super cheap...

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Posted in R-Pi, RF, tutorials | No Comments »

Game of Life on a Raspberry Pi (and a LED board) in Haskell

Monday, June 18th, 2018

Trandi published a Game of Life on a Raspberry Pi in Haskell project, that is available on Github: This is a quick post about, re-purposing my Raspberry Pi + Peggy2 art installation, which already re-purposes a 8-9 years old Peggy2 LED board, to play Conway’s Game of Life. More details on...

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Posted in LEDs, R-Pi | No Comments »

PI serial adaptor

Thursday, May 31st, 2018

Raspberry pi serial adaptor from Facelesstech: If you spend a lot of time building things with a raspberry pi you will eventually run into the problem that you have booted your pi it’s not plugged into a tv/monitor and it’s not connected to wifi. You don’t want to just turn it...

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Raspberry Pi GPIO programming in C

Monday, May 28th, 2018

Steve Chamberlin has written an article about Raspberry Pi GPIO programming in C: The Raspberry Pi’s 40-pin GPIO connector often gets overlooked. Typical Pi projects use the hardware as a very small desktop PC (RetroPie, Pi-hole, media center, print server, etc), and don’t make any use of general-purpose IO pins. That’s...

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Raspberry Pi virtual floppy for ISA (PC XT/AT) computers

Monday, May 7th, 2018

Dr. Scott M. Baker wrote an article detailing how he turned a Raspberry Pi into a virtual storage device for ISA bus computers: I’m tired of carrying compact flash cards and/or floppies back and forth to my XT computer. I like to do development at my desk using my modern...

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Converting a Seeburg 3WA wallbox into a remote for a modern music player

Friday, April 6th, 2018

Dr. Scott M. Baker wrote an article detailing how he converted a Seeburg 3WA wallbox into a media player for his homebuilt audio player: A bit of background. These Wallboxes were used as remotes in diners and other locations back in the 1950s. You put your nickel, dime, or quarter...

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Posted in hacks, vintage | No Comments »

ZeroBoy – A poor man’s retropie “portable”

Monday, January 1st, 2018

A nice build log of ZeroBoy portable retropie project, that is available on Github: You know when you see something and it give you instant inspiration and you also see a few ways you would also improve it. The thing I seen was wonky resistor score zero it’s basically a...

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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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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:...

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 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 »

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