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Archive for the ‘DIY’ Category

DIY laser scanning microscope

Monday, February 20th, 2017

Venkes shared detailed instructions of how to make a DIY Laser Scanning Microscope (LSM): The reason I was thinking of a DVD pick-up is that it houses a laser and a lens capable of projecting a spot of visible laser light small enough to "see" a bit on a DVD....

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A Line-us clone

Monday, February 13th, 2017

Barton Dring has a nice build log on his Line-us clone project: I have been going to the monthly Amp Hour, Hardware Happy Hour meetup.  A lot of people bring something to show.  My projects are too big.  Also, you need to bring your own power.  The meetup standard seems to be running...

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HC 508 update

Monday, February 6th, 2017

An update on mc68k’s HC508 project we covered previously: Good news, some components have arrived today, so I have completed a few 50 MHz boards. More details at Amiga projects blog.

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DIY Heng Lamp

Thursday, February 2nd, 2017

Martin Raynsford shared detailed instructions of how to make a DIY Heng Lamp,  project instructables here: The HENG Balance lamp just successfully funded on Kickstarter, the design is pretty cool and unique so we decided to make a copy of it. At it's heart it's just an LED lamp with a simple micro...

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PSU burner

Tuesday, January 31st, 2017

Bob writes: What does one do when designing a power supply? Well, build a power supply tester, of course. One of the simplest things to build is a constant current load. This will allow for testing of the endurance of the power supply, as most of the designs out there...

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Remapcro: A hardware keyboard macro recorder

Friday, January 27th, 2017

Anthony Lieuallen has published new build, a hardware keyboard macro recorder: Remapcro I posted once recently about the prototype of this project, but as of today I've finished the first real one. The name Remapcro is a portmanteau of remap and macro, because that's what it does. It's an array of extra keys...

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DIY thermal imaging

Tuesday, January 24th, 2017

Niklas Roy has written an article detailing his DIY thermal imaging with an IR thermometer: I did not want to hack/destroy the brand new thermometer, as I still plan to use it in its original form later. For that reason, I decided to temporarily attach an old webcam to its back. This...

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EMP Jammer build

Friday, January 20th, 2017

A how-to on making an EMP jammer from JunezRiyaz, project instructables here: An electromagnetic pulse (EMP), also sometimes called a transient electromagnetic disturbance, is a short burst of electromagnetic energy. Such a pulse may occur in the form of a radiated electric or magnetic field or conducted electrical current depending on the source....

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A 400W (1kW Peak) 100A electronic load using linear MOSFETs

Monday, January 16th, 2017

Kerry Wong built a 400W/100A electronic load using linear MOSFETs:  I bought a couple of IXYS linear MOSFETs (IXTK90N25L2) a while ago to test their capabilities when used as electronic load, and the result was quite impressive. So I decided to build another electronic load using both MOSFETs. As you can...

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Building an AT2XTKB (AT to XT) keyboard adapter on prototype board

Thursday, January 12th, 2017

Matt built an AT2XT keyboard adapter on prototype board using an AT to PS/2 keyboard cable. Project info at Matt's Tech Pages.

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DIY Arduino GRBL CNC with a laser

Wednesday, January 4th, 2017

[embed]http://www.youtube.com/watch?v=7kHqe4ddYzY[/embed] A DIY Arduino GRBL CNC with a laser from Bob Davis. Project info at Bob Davis' blog.

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Minstrel ZX80 clone

Tuesday, January 3rd, 2017

Dave Curran has a nice build log on his ZX80 clone, which he call Minstrel: Here is a new ZX80 clone that I have called the Minstrel. It is a fairly accurate clone electrically to the ZX80, using the same chips and the original schematic with only a few concessions to the modern world....

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DIY IKEA wireless Qi charging for the Hexiwear

Thursday, December 29th, 2016

Erich Styger built a DIY a wireless charging system for the Hexiwear: The Achilles Heel of the Mikroelektronika Hexiwear is its charging: the charging and USB connector are only designed for a limited number of plug-unplug cycles, and it does not have a wireless charging capability like the Apple iWatch....

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Homebrew 40dB step attenuator

Wednesday, December 28th, 2016

flathagen blogged about his step attenuator build: A home lab needs a step attenuator. It helps in evaluating RF amplifiers, filters and receivers. Both the legendary EMRFD-book, the ARRL handbook, and a variety of QST-articles provides circuit examples for building a homebrew device. Most of them follow the design principles...

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Tiny-TS: An open-source DIY touch synthesizer

Friday, December 23rd, 2016

Jan Ostman has a nice build log on his open-source DIY touch synthesizer the Tiny-TS, that is available on Hackster.io: The Tiny TS is a credit card sized (100x65mm) fully open-sourced synthesizer with a 1-octave capacitive touch keyboard. Check out the video after the break. (more…)

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Automation platform: ActoSenso Nodes

Thursday, December 22nd, 2016

Viktor Takacs just published the second part of a series on his automation platform, which he call ActoSenso Platform.  This second post of a series discussed about some of the nodes that can be used in ActoSenso Platform: ActoSenso Nodes are small hardware devices that are the "eyes", "ears" and "hands"...

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Homebrew WiFi shield

Monday, December 12th, 2016

m0xpd has published a new build, the homebrew WiFi shield: Having just finished development of the new m0xpd / Kanga ESP8266 - AD9834 board, I find myself with a few WiFi components knocking about on the bench - so I figured it would be fun to try to make a...

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Semiconductor radioactivity detector

Monday, December 12th, 2016

Robert Gawron has been working on a semiconductor radioactivity detector project: Currently I'm trying to make a working version of a radioactivity detector that uses semiconductor as a sensor. It's a different approach than Geiger-Muller detectors, more complicated, but also much more interesting. While Geiger-Muller counters can only provide information...

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Big F’n 3D printer build

Tuesday, November 29th, 2016

Dan Beaven blogged about his big 3D printer build: Summary of Features: 8 Cubic foot print volume (capable of larger with minor changes - i.e bigger cast aluminum plate) - The reason I chose 1/4" Cast Aluminum plate was to make sure it was dimensionally stable when heated.  Anything else...

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36dB power attenuator for 20W

Saturday, November 19th, 2016

Lex PH2LB designed and built a 36dB power attenuator for 20W using PA1B power attenuator calculator: The attenuator can handle a maximum power of 20 watt and is used to reduce the power of a 5 watt transceiver. At first I did not realized why Lex designed the attenuator for 20...

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Recent Comments

  • Sjaak: In theory the buspirate can also do SWD or JTAG as it just wiggling some pins. I dunno if the speed and memory is sufficient...
  • Drone: Aw, how-come Bus-Pirate can't do all this too?
  • Siddharth: Grate
  • jeanmarc78: hello
  • KH: So I guess, don't mind us dinosaurs too much. Someone like me will get triggered by some of the things Arduino folks do. There's just...