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Category Archives: Arduino
ExtraCore V2
The last of the V1 ExtraCores have sold out. About 600 of them sold in one year. The majority were sold on the Kickstarter. I’ve been working on a V2 design, but it’s been on the back burner. There are a lot of factors involved in that. Read to the end of the post if [...]
Posted in Arduino, Open Source Hardware, PCB
Easily manage I/O on a remote Arduino using two wires and the ExtraCore library
I’m always running out of the good pins in my Arduino projects. PWM pins are in particularly scarce supply and I sometimes even find myself short on analog inputs. Tricks like using shift registers or software PWM help, but they have limitations that aren’t always easy to work around. The open source ExtraCore library on [...]
Posted in Arduino
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Awsesome IR remote library from Ken Shirriff
http://www.arcfn.com/2009/08/multi-protocol-infrared-remote-library.html Easily get your Arduino to talk to your TV with just three components and this library. IR protocols are a little tricky even with a really good write up in Make Magazine recently. Ken’s library is going to make it a lot easier to experiment with. Send and receive IR remote codes in multiple [...]
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Digispark on Kickstarter
Digispark is a Kickstarter project that ends Sept. 10th. On August 24th they had reached $168,332 (of $5000 goal). It’s a great platform. People have been asking how it stacks up against ExtraCore. Digispark is a very complementary product to ExtraCore. Both are entries in “small, inexpensive Arduino Compatible.” But they live in different niches. [...]
Posted in Arduino, Kickstarter, Open Source Hardware
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Using i2c and a second Ardunio to increase your I/O capacity
I am working on a library for Ardunio that will easily allow someone to connect two Arduinos together with 2 wires and have one serve as extra I/O. For $15 and two I/O pins you can add an ExtraCore to a project to extend your I/O capacity for example. For digital only, of course a [...]
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ExtraCore V2 design
I was showing the ExtraCore around Maker Faire in California this year. The owner of Modern Device bought some on the spot to sell online. While we were talking he asked how much smaller it would be with a VQFN Atmega chip. He also wondered about adding a power regulator to the back. Now that [...]
Posted in Arduino, Open Source Hardware
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ExtraCore powered desktop TARDIS
Starting with a laser cut pattern for a police box on thingiverse I made the model. I decided I would at least add a blue LED and make it flash. Another Dr. Who fan suggested I should add sound effects somehow as well. The sound effects turned out to be easier than I thought. They [...]
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Robotic Minion Starter Kit enclosure assembly
The design for the Robotic Minion Starter Kit enclosure is just about done. Here is a picture diary showing how the cases will go together. The screen hole will be cut to a closer tolerance, we will add a speaker grill and the shape of the gear knob is going to change a little. The [...]
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Robotic Minion Starter Kit is funded on Kickstarter
The Robotic Minion Starter Kit is funded on Kickstarter. Now that funding is done there are a few more tasks to go. Get surveys out to all backers Get final numbers on who actually pays (takes about a week) Run some tests on the final prototype and make sure it’s 100% Send the manifest and [...]
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Modern Device now carries ExtraCore
I met the Modern Device team at Maker Faire and they were nice enough to agree to carry the ExtraCore.They now have them up on the web site. “Its small size makes it well-suited to applications with stringent weight and space requirements, such as R/C planes, wearables, and spacecraft.” Spacecraft huh? That would be pretty [...]
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