Spindicator clone with pulse and trail effect

In this video Viktor demonstrates his Spindicator clone with pulse and trail effect project: Although my “original” Spindicator itself was just a clone of this one, mine was well received by the geeks around the world! :) A fellow diy tinkerer made an even better one with PWM control (very cool, indeed!). Recently, I was asked […]

Tutorial – Arduino and MC14489 LED display driver

John Boxall over at Tronixstuff has a series of Arduino tutorials.  This chapter fifty-one of a series will show you how to use MC14489 LED display driver ICs with Arduino: Recently we’ve been looking at alternatives to the MAX7219 LED display driver IC due to pricing and availability issues (stay tuned for that one) – and […]

Simple component size and silkscreen reference board

Philip posted his simple component size and silkscreen reference board in the project log forum: since I kept checking old projects to figure out which silkscreens worked, and which didn’t, I made myself a simple reference board.  I also included some common SMD component sizes, just to keep me from thinking 0402 was a viable […]

DipCortex – GPIO Intro video and guide

DipCortex – GPIO Intro video and guide by SolderSplashLabs: This video takes you through the setup procedure, importing our codebase from GitHub, running through the code. Building it and boot-loading the bin file over the USB connection. These guides are applicable for both the DipCortex’s and the up coming SolderBridges that use the same processors. […]

#FreePCB via Twitter to 2 random RTs

Every Tuesday we give away two coupons for the free PCB drawer via Twitter. This post was announced on Twitter, and in 24 hours we’ll send coupon codes to two random retweeters. Don’t forget there’s free PCBs three times a every week: Hate Twitter and Facebook? Free PCB Sunday is the classic PCB giveaway. Catch […]

Arduino Workshop: A Hands-On Introduction with 65 Projects

Here’s an Arduino Workshop book by John Boxall of Tronixstuff, a hands-on introduction to Arduino with 65 projects: Although there are seemingly endless Arduino tutorials and articles on the Internet, Arduino Workshop offers a nicely edited and curated path for the beginner to learn from and have fun. It’s a hands-on introduction to Arduino with […]

WORKSHOP VIDEO #59: How we prepare for the Bay Area Maker Faire

This week we are visiting the Bay Area Maker Faire, so here is a video to explain how we prepare for Maker Faires. You can also check out our Maker Faire tips post, or the wiki version. We’ll have regular updates form the Faire on our blog, and Twitter feed. Stuff to bring to a […]

Open book on 3d printing

Open Book on “Low-cost 3D Printing for Science, Education and Sustainable Development” : Some scientists from the ICTP (International Centre for Theoretical Physics) published an open book about 3d printing, titled Low-cost 3d printing for science, education and sustainable development. The book covers pratical issues (printer models, use of OpenSCAD and Slic3r) but also investigates […]

App note: Using the WeX timer/counter extension

Here’s an application note from Atmel:  Using the WeX timer/counter extension (PDF!) This application note describes the various functions of the Waveform Extension (WeX) to Timer/Counter 4/5 available on the Atmel® XMEGA® E.  It details the differences and improvements according to the AWeX extension to Timer/Counters of the previous XMEGA (see AVR®1311 Application Note).  Included […]