Tag Archives: database

Build a social media follower counter

In this tutorial from  HackSpace magazine issue 9 , Paul Freeman-Powell shows you how to keep track of your social media followers, and encourage subscribers, by building a live follower counter.  Get your copy of HackSpace magazine in stores now, or download it as a free PDF here . Issues 10 of HackSpace magazine is available online and in stores from tomorrow! The finished build with all components connected, working, and installed in the frame ready for hanging on the wall If you run a local business like an electronics shop or a café, or if you just want to grow your online following and influence, this project is a fun way to help you keep track of your progress. A counter could also help contribute to growing your following if you hang it on the wall and actively ask your customers to like/follow you to see the numbers go up! You’ve probably seen those social media follower counters that feature mechanical splitflap displays

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Build a social media follower counter

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Scanning snacks to your Wunderlist shopping list with Wunderscan

Brian Carrigan found the remains of a $500 supermarket barcode scanner at a Scrap Exchange for $6.25, and decided to put it to use as a shopping list builder for his pantry. Upcycling from scraps Brian wasn’t planning to build the Wunderscan. But when he stumbled upon the remains of a $500 Cubit barcode scanner at his local reuse center, his inner maker took hold of the situation.

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Scanning snacks to your Wunderlist shopping list with Wunderscan

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Barcode reader for visually impaired shoppers

To aid his mother in reading the labels of her groceries, Russell Grokett linked a laser barcode reader to a Raspberry Pi Zero W to read out the names of scanned item. RASPBERRY PI TALKING BARCODE READER My mom is unable to read labels on grocery items anymore, so I went looking for solutions. After seeing that bar code readers for the blind run many hundreds of dollars, I wanted to see what could be done using a Raspberry Pi and a USB Barcode reader.

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Barcode reader for visually impaired shoppers

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Vinyl Shelf Finder

It is a truth universally acknowledged that a person in possession of a large record collection must be in want of a good shelving system. Valentin Galea has solved this problem by developing the  Vinyl Shelf Finder . In this build, a web-based app directs a pan-and-tilt laser to point out your record of choice among your collection.

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Vinyl Shelf Finder

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Hello World Issue 3: Approaching Assessment

It’s the beginning of a new school year, and the latest issue of Hello World is here! Hello World is our magazine about computing and digital making for educators, and it’s a collaboration between The Raspberry Pi Foundation and Computing at School , part of the British Computing Society . In issue 3, our international panel of experts takes an in-depth look at assessment in computer science. Approaching assessment, and much more Our cover feature explores innovative, practical, and effective approaches to testing and learning.

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Hello World Issue 3: Approaching Assessment

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Hackspace security system

NESIT is the New England Society of Information and Technology in Connecticut, and they have a made a security system for their hackspace that gives us terrible feelings of envy. Their old RFID door lock, powered by an Arduino, was getting old and came bundled with some problems: it didn’t allow for easy modifications to the database of users (the old setup wrote user information straight to the Arduino’s eeprom), couldn’t output video, and would have been expensive to hook up to the network; running its server all the time would have cost about $200 in electricity over a year.

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Hackspace security system

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