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Since SquareWear 2.0 and Mini, there will soon be a new member in the SquareWear family. This is a sneak peak preview of SquareWear Esimal — the tiniest SquareWear ever made 🙂

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How does it differ from the other two members? First, it’s tiny and measure only 1.1″ x 0.7″. It’s designed to be small, low-cost, and suitable for breadboard experiments. It has two rows of 1×11 0.1″-pitch pin headers and can fit directly onto a breadboard. Second, it uses a micro-USB connector, which helps reduce the overall footprint. Although the big sewable pins are gone (so are the built-in buzzer and rechargeable battery), the Esimal keeps the most essential features of SquareWear — it has ATmega328 running at 3.3V, 12MHz, with built-in USB port and USBasp bootloader, light sensor (using a photoresistor), temperature sensor (using a thermistor), general-purpose button, and LED. Overall it will be a very low-cost, breadboard friendly SquareWear, for learning Arduino programming, organizing workshops, and general-purpose microcontroller projects.

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Since this post is a preview, I will not dwell too much on the details. Expect Esimal to be available in a few weeks time!

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