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Raspberry Pi Piggy Bank with Coin Sorter #piday #raspberrypi @Raspberry_Pi

Check out Alex Stranz’s very cool Raspberry Pi piggy bank with coin sorter!

A piggy bank and coin sorter made using a Raspberry Pi, an Arduino, Lego Mindstorms NXT, a coin acceptor, Adafruit’s LCD Plate, and a fingerprint sensor. It counts, sorts, and stores coins.

The Arduino is connected to the Raspberry Pi via a USB hub; it communicates with the fingerprint sensor and detects what kind of coin is inserted.

A Python script outputs information to the LCD display and stores data in a text file.

Read more.


Featured Adafruit Products!

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Adafruit RGB Positive 16×2 LCD+Keypad Kit for Raspberry Pi; This new Adafruit Pi Plate makes it easy to use an RGB 16×2 Character LCD. We really like the RGB Character LCDs we stock in the shop. (For RGB we have RGB negative and RGB positive.) Unfortunately, these LCDs do require quite a few digital pins, 6 to control the LCD and then another 3 to control the RGB backlight for a total of 9 pins. That’s nearly all the GPIO available on a Pi!

With this in mind, we wanted to make it easier for people to get these LCD into their projects so we devised a Pi plate that lets you control a 16×2 Character LCD, up to 3 backlight pins AND 5 keypad pins using only the two I2C pins on the R-Pi! The best part is you don’t really lose those two pins either, since you can stick i2c-based sensors, RTCs, etc and have them share the I2C bus. This is a super slick way to add a display without all the wiring hassle. (read more)


998Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!


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