Posted in LED Projects, Wearable on Oct 30th, 2016
Last Thursday I had a lot of fun doing a workshop at my college (UMass Amherst) where I taught students to use a WiFi-enabled Color LED matrix combined with Javascript programs to create animations displayed onto the LED matrix. The matrix is made of 5×7 WS2812 (NeoPixel) LEDs. I’ve actually designed it two years ago […]
Posted in Arduino, LED Projects, USB, Wearable on Feb 7th, 2014
Liked how SquareWear 2.0 has so many built-in components and yet so compact in size? Introducing SquareWear Mini — the little sister of SquareWear that has the same capabilities (and more!) but is 25% smaler in size! SquareWear Mini Available for purchase at Rayshobby Shop. So what is SquareWear Mini? Similar to SquareWear 2.0, the […]
Posted in Arduino, LED Projects, Wearable on Jan 20th, 2014
This past week has been a hectic week. Since SquareWear 2.0 got posted on Hack A Day, things have gone quite wild: we’ve got hundreds of orders, and the SquareWear YouTube video accumulated 80,000 views in just two days. By the end of last week, it has exceeded 100,000 views and has officially become the […]
Posted in LED Projects, Product News on Aug 11th, 2013
Three months after its first prototype version, I am glad to announce that the long-awaited AASaver 2.0 has finally become available! In case you haven’t seen the first version of AASaver: it is basically a versatile boost converter that takes two AA (or AAA) batteries and bumps them to 5V so you can use it […]
Posted in LED Projects, Product News on May 16th, 2013
Yup, I opened my mail box and found the lovely purple envelope from OSHPark. What’s in it? Ah ha, it’s the new AASaver 2.0 prototype PCB. I can’t help getting my hands on it, so I quickly assembled two. Here is what the assembled board looks like (without and with AA batteries): AASaver 2.0 is […]
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