A few years ago, Adafruit launched the Feather 32u4 Basic Proto. This tiny development board featured — as you would expect — an ATMega32u4 microcontroller, a USB port, and a battery charging circuit for tiny LiPo batteries. It was, effectively, a small Arduino clone with a little bit of extra circuitry that made it great for portable and wearable projects. In the years since, and as Adafruit has recently pointed out, the Adafruit Feather has recently become a thing. This is a new standard. Maxim is producing compatible ‘wings’ or shields. If you’re in San Fransisco, the streets are littered with Feather-compatible boards. What’s the deal with these boards, and why are there so many of them?

The reason for Adafruit’s introduction of the Feather format was the vast array of shields, hats, capes, clicks, props, booster packs, and various other standards. The idea was to bring various chipsets under one roof, give them a battery charging circuit, and not have a form factor that is as huge as the standard Arduino. The Feather spec was finalized and now we have three-phase energy monitors, a tiny little game console, LoRaWAN Feathers, and CAN controllers.

Of course, the Feather format isn’t just limited to Adafruit products and indie developers. The recently introduced Particle hardware is built on the Feather format, giving cellular connectivity to this better-than-Arduino format. Maxim is producing some development boards with the same format.

So, do we finally have a form factor for one-off embedded development that isn’t as huge or as wonky as the gigantic Arduino with weirdly offset headers? It seems so.

Olympia Circuits is best known for its Arno board and Arno Shield, which are designed to ease the Arduino learning curve by providing a bevy of pre-wired sensors and controls along with detailed instructions for several DIY projects. The company announced a couple of new products at Maker Faire this past weekend: the Arno Digital RGB Add-On and the SODA HE-1.0 Arduino datalogger. With the former, your Arno simply gains three RGB LEDs, while the latter stands for "Simple, Open Data Acquisition, High Efficiency." It's an Arduino board with screw terminals designed around Atmel's ATmega32u4 that features a real-time clock (RTC) with battery backup, a high-precision ADC and a microSD card slot. The RTC can either wake the entire board or trigger an interrupt at set intervals, which makes the board very power efficient when used in the field. Olympia Circuits will be updating its website with more info shortly (including availability and pricing). Until then, don't miss our hands-on gallery below.

Gallery: Olympia Circuits at Maker Faire 2013

Filed under: Misc

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Source: Olympia Circuts

The Raspberry Pi faithful have been looking forward to the Gertboard almost as much as the main device itself: Gert van Loo's I/O extender promises to flash lights, spin motors and otherwise take on the tasks that the Raspberry Pi doesn't directly manage on its own. While we've seen work on the project since late 2011, the expansion now looks to be closer to reality following a fresh teaser. The refined design's biggest tweak is replacing its original PIC controller with an Arduino-powered chip -- an element no doubt familiar to the crowd that would already be looking at a very hackable, miniature Linux computer. Most everything else is a refinement, although Gert has brought in three physical buttons and two-channel analog-to-digital and digital-to-analog converters. We'll learn the full story later this week, and until then we'll be dreaming of all the off-kilter Arduino projects that might be made better with a little Raspberry Pi companionship.

Filed under: Misc. Gadgets, Peripherals

Raspberry Pi teases finished Gertboard I/O extender, revs creative engines originally appeared on Engadget on Wed, 08 Aug 2012 18:41:00 EST. Please see our terms for use of feeds.