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Archive for the ‘DIY’ Category

SmileyBox – Statistics, the old fashioned way, upgraded

Wednesday, October 17th, 2018

Vagrearg published a new build: Lies, damn lies and statistics. You have a high school science fair and want to know how your project was perceived by the visitors. Modern online behaviour will direct you to "taking the online survey". That requires an extra step for the visitors, usually by...

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Posted in Arduino, DIY | No Comments »

Yet another Masterplay clone

Monday, October 15th, 2018

Dr. Scott M. Baker made a Masterplay clone: The Masterplay was originally a device that allowed Atari 2600 digital joysticks to be used with the Atari 5200. In this post, I describe a masterplay clone that I created. The analog controllers for the Atari 5200 are (in)famous for their poor...

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Pocket high voltage generator quick build

Thursday, October 4th, 2018

Aki made this DIY pocket HV generator: There are times you find yourself looking for a relatively high voltage (100V to 200V often in my case) but low current DC power supply. I have zener diodes that are higher than 30V, which makes the lab supply useless, and filament LEDs...

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Atari 5200 Playstation 2 dual-shock controller adapter

Friday, September 28th, 2018

Dr. Scott Baker has developed an adapter that allows you to use Playstation 2 analog controllers on an Atari 5200, that is available on gitHub: This adapter allows you to use a PS2 controller on an Atari 5200 gaming console. The 5200 was notable at the time for its use...

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Posted in DIY, hacks | No Comments »

IoT LED Dimmer

Tuesday, September 25th, 2018

Sasa Karanovic shared a how-to on making a IoT LED dimmer: Making a IoT LED dimmer that you can control via your PC, phone, tablet or any other device connected to the network is super simple, and I’m going to show you how. I’m sharing my three channel LED dimmer...

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Homemade Atari 5200 analog controller

Thursday, September 20th, 2018

Dr. Scott M. Baker made a custom controller for the Atari 5200 vintage gaming console, that is available on Github: I decided to make my own Atari 5200 analog controller, using a sparkfun thumbstick together with ADC and digital pot to do the potentiometer scaling. The controller is aesthetically a...

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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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Posted in DIY, R-Pi | No Comments »

Ultra MegaMax Dominator (UMMD) 3D printer

Friday, September 14th, 2018

Mark Rehorst has a nice write-up about building his Ultra MegaMax Dominator (aka UMMD) 3D printer: Ultra MegaMax Dominator (aka UMMD) is my third 3D printer design/build.  I used much of what I learned from its predecessors, and tried a few experiments, resulting in a very high quality machine that...

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Posted in 3D Model, DIY | No Comments »

Electric steam boiler – first steam

Wednesday, September 5th, 2018

Quinn Dunki has a great write-up on building this homemade-from-scratch electric steam boiler: Yes, you read that title correctly. After many months of effort, this homemade-from-scratch electric steam boiler is finally going to make steam. Before we’re done, we’ll learn some sobering lessons about the dangers of live steam. Now...

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Building an Atari Punk console

Tuesday, August 21st, 2018

Øyvind shows you how to easily make a DIY Atari Punk console: Do you want a fun and easy-to-build circuit? Here’s the simple, but fun Atari Punk Console – with schematics and parts list. It’s a quick build, so you can easily build it during an evening. It takes its...

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6809 CPU board for the RC2014

Thursday, August 9th, 2018

Ben Chong posted his RC2014 6809 CPU board, that is available on github. More details on his blog.

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Posted in DIY, PCBs | No Comments »

4pin hall sensor adapter board

Wednesday, August 8th, 2018

Davide Gironi published a new build: Hall Sensor are pretty common components. Most of the time one will find 3 pin Hall Sensor. But there are time that one can find a 4 pin hall sensor. Those kind of sensor is called dual-channel. See the full post on his blog....

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Pi-powered Atari 5200 multi-ROM cartridge (MultiCart)

Tuesday, July 31st, 2018

Dr. Scott M. Baker has a nice write-up about building a multi-ROM cartridge for his Atari 5200 using Raspberry Pi: The Atari 5200 is a vintage gaming system from the early 1980s. At the time I owned a 2600, but I always wanted a 5200. Well, in 2018 I finally...

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

Multichannel logic probe and pulsar

Tuesday, July 24th, 2018

Dilshan Jayakody published a new build: This is 8 channel CMOS logic probe and pulsar which is useful when designing, testing and faultfinding in digital circuits. This circuit is designed using commonly available CMOS logic ICs which including couple of 4069 hex inverters and 4040 binary counter. Logic probe of...

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DC voltmeter test gadget

Tuesday, July 17th, 2018

DuWayne posted an update on his test gadget project we covered previously: The picture shows the completed DCVM test gadget in 4 channel mode measuring the 3 voltages present on the headers used to connect the individual test gadgets.  I was running this off of the PC without the 12...

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Posted in DIY, gadget, testing | No Comments »

A limited attenuation high-pass filter for the KiwiSDR

Monday, July 16th, 2018

KA7OEI published a new build: One of the issues common with using a broad-band, direct-sampling SDR (software-defined radio) like the KiwiSDR is that of overload by strong, low-frequency signals, such as those on the AM (mediumwave) broadcast band - but there's another problem that should be considered as well:  The...

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Posted in DIY, RF | No Comments »

Building a DIY SMT pick & place machine with OpenPnP

Thursday, July 5th, 2018

Erich Styger has a nice write-up about building a DIY pick & place machine based on OpenPnP: This article is about a project I have started back in January 2018. As for many of my projects, it took longer than anticipated.But now it is working, and the result is looking very good:...

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DIY Arduino FM radio

Monday, July 2nd, 2018

Nick over at educ8s.tv shared detailed instructions of how to build this DIY Art Deco style FM Radio project using Arduino: Let’s see what we are going to build today! As you can see, we are going to build an Art Deco style FM radio receiver. The design of this...

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Posted in Arduino, DIY, how-to | 1 Comment »

3D printed stirling engine gas burner and flywheel

Friday, June 29th, 2018

The 3D printed Stirling Engine with its new gas burner and heavier flywheel from Do It Yourself Gadgets: Take a look at my upgraded Stirling Engine with its new gas burner and flywheel! If you take a look at my previous post you'll see how I built a 3D printed...

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Posted in 3D Model, DIY | No Comments »

TRL measurements with homemade VNA and open source software

Tuesday, June 26th, 2018

Henrik Forstén writes: I have been using the OSH Park's 4 layer process a lot on my own projects. It has FR408 substrate that has better controlled permittivity and lower losses than ordinary FR-4 that other low cost PCB manufacturers use. In my opinion currently it is the best low cost...

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Posted in DIY, measurement | No Comments »

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