Water LED Art: Making LEDs light up with water

Christopher Woodall from HappyRobotLabs shared this Water LED Art: Making LEDs Light Up With Water: I wrote up a little explanation because the BUILDS hackerspace at BU wants to recreate the wall for an exhibit and maybe make a water based input system. Mostly we just found it cool an inspiring. Via the contact form.

Free PCB coupon via Facebook to 2 random commenters

Every Friday we give away some extra PCBs via Facebook. This post was announced on Facebook, and on Monday we’ll send coupon codes to two random commenters. More PCBs via Twitter on Tuesday and the blog every Sunday. Don’t forget there’s free PCBs three times every week: Free PCB Sunday. The classic. Every week, get […]

GOduino III – the breadboard-friendly Arduino-based robot controller

Techbitar wrote this Instructable detailing the build of his GOduino III – the breadboard-friendly Arduino-based robot controller. We previously covered the GOduino II. The GOduino III is based on the ATmega328p microcontroller and the L293D dual h-bridge. It’s built with DIP ICs and through-hole components for ease of assembly and repair.  This robot controller can handle […]

Week in (p)review November 16, 2012

Here’s a summary of major developments over the last week. Free PCB Friday is coming up soon. WORKSHOP VIDEO: rhydoLABZ open hardware tour in Kochi Global Geek Tour India: Bangalore’s SP Road market, Tenet Technetronics, protoCentral and Cerebra Tech visits Global Geek Tour India: protoCentral shop tour Global Geek Tour India: Tenet Technetronics tour Ealge Parts: […]

PartSim free online circuit simulator

Drone refers us to this browser-based online schematic capture, SPICE simulator, and waveform viewer: PartSim exemplifies the power of browser-based innovations that span technical simulations to social entertainment, allowing anyone to create, simulate, and share electronic circuits directly in their web browser,” said Cody Miller, Aspen Labs president and CEO. “Such tools unlock tremendous productivity, skipping […]

WORKSHOP VIDEO: rhydoLABZ open hardware tour in Kochi

Our Global Geek Tour of India ends in Kochi where we visit India’s largest open hardware manufacturer rhydoLABZ. Thushar takes us on a tour of the company’s offices and production lines. rhydoLABZ started as distributors for SparkFun and Arduino, but now produce mostly their own custom open hardware designs. During a recent visit, their innovative […]

An ad in 2600:The Hacker Quarterly

Special thanks to the machinegeek for arranging the most recent ad in the infamous 2600: The Hacker Quarterly. This ad is in the issue that hits newsstands now. 2600’s free ads are still the only advertising we do on a regular basis. We’re in good company in the 2600 marketplace, TV-B-Gone has an ad right […]

Giant Digi-Comp II Recreates Mechanical Computer from 1960s

From the comments on our earlier Mechanical Donkey Kong post: I love this kind of stuff. Here’s another one, totally mechanical, that you may not have seen before: Giant Digi-Comp II Recreates Mechanical Computer from 1960s Maker Faire NY 2011 and the Digi-Comp II Via the comments.

Speed of light measurement with the Analog Discovery scope

Measure the speed of light using the Analog Discovery. Digilent donated two Discoveries to the Open 7400 Competition this year, they were among the most popular prizes. The optical pulse response of the Discovery scope shows a reasonably clean shape with a fall time of ~ 30ns and minimal ringing. With such a clean response, […]

Workshop Update for November 13th, 2012

Today we’re preparing for the Shenzhen sourcing challenge, pricing shippers, setting up meetings, and etc. We’ll be in Hong Kong on Friday and in Shenzhen on Monday. Aaron from oomlout sent us an SMD reel stand which we’ll assemble as soon as we get back from China. In other news the 7400 Contest 1st place […]

#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 […]