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December 31, 2014 AT 4:00 am

Healthy Life Chopsticks will prevent you from eating too fast #WearableWednesday

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Cool project from riiiiiho on Instructables.

This is an instruction on how to create an arduino which will prevent you from eating too fast by alerting you. It will be attached to chopsticks and if you start eating too fast, the wristband will start vibrating.

First, you’ll need to purchase:

– Sparkfun 3-Achsen Beschleunigungssensor Breakout – ADXL335 (sensor)

– Seeed Studio Grove – Vibrator (vibrator)

Adafruit GEMMA – Portable Miniature electronic platform (portable platform)

Coin Cell Battery Holder – 2xCR2032 (battery container)

– 2 Panasonic CR-2032/BN Knopfzelle Lithium 3V 220mAh CR2032 (batteries)

– JST (power connector)

– wires for connecting all of them.

1) Solder all the wires needed to connect Gemma, vibrator, and sensor.

2) To check the acceleration, you have to connect the wires from accelerator to used sketch to see if it is shaking. The connected wires and where to connect them are shown in the last two pictures. Use the coding of the accel z shown in the picture to check if it shakes.

3) Connect wires of the battery container to the JST (power connector)

4) Disconnect after checking the accelerator.

Read more.


Featured Adafruit Products!

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Adafruit GEMMA – Miniature wearable electronic platform: Love FLORA but want a bite-sized version? Look no further, GEMMA is a tiny wearable platform board with a lot of might in a 1″ diameter package. Powered by a Attiny85 and programmable with an Arduino IDE over USB, you’ll be able to realize any wearable project!

We wanted to design a microcontroller board that was small enough to fit into any project, and low cost enough to use without hesitation. Perfect for when you don’t want to give up your Flora and you aren’t willing to take apart the project you worked so hard to design. It’s our lowest-cost sewable controller! Read more.


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2 x 2032 Coin Cell Battery Holder – 6V output with On/Off switch: This tiny coin cell battery holder is ideal for small portable or wearable projects. It holds two 20mm coin cells (2032 are the most popular size) in series to generate 6V nominal. (If you want only 3V, we suggest sticking a crumpled piece of tin foil in one of the slots.) 20mm coin cells are popular as they are used in keychain lights, so they are easy to get, and fairly low cost. They tend to have about 220mAh capacity so this holder would give you 6V @ 220mAh with two cells. Read more.


Flora breadboard is Every Wednesday is Wearable Wednesday here at Adafruit! We’re bringing you the blinkiest, most fashionable, innovative, and useful wearables from around the web and in our own original projects featuring our wearable Arduino-compatible platform, FLORA. Be sure to post up your wearables projects in the forums or send us a link and you might be featured here on Wearable Wednesday!


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