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    You've Just Ordered A HIDIOT. Now What?

    You've Just Ordered A HIDIOT. Now What?
    Firstly, thanks for ordering your HIDIOT! If you've never soldered or coded anything before, you're on your way to a whole new world of electronics and programming. We've slaved away on documentation, tutorials, all kinds of stuff to help you get the most from your purchase, and this blog is here to show you what to do next. Bookmark this post now, give it a read through then come back at the weekend.

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    Announcing the Expanding Your HIDIOT Series

    Announcing the Expanding Your HIDIOT Series

    We're producing a short series of videos about expanding your HIDIOT. The series will show you how to:

    • Get familiar with breadboards
    • Understand when to use which type of header, and how to use one
    • Connect a display to a HIDIOT via a breadboard

    If you've followed our tutorials, you've already made your HIDIOTs blink, which is why we're going to do something a little more interesting by connecting a display.

    Normally we just shoot and edit the videos then announce them. We wanted to invite our readers to play along but it can take a while to get parts at reasonable prices. That's why we're announcing the series now. 

    The first video in the series is a short introduction to breadboards. If you'd like to play along, here's a list of parts to buy, and where to buy them from. We've provided links to Amazon for people who prefer next-day delivery, and Aliexpress for those who'd prefer to pay less and wait for delivery.

    Amazon total cost: £25.65 (at time of writing)

    Aliexpress total cost: £4.65 (at time of writing)

    Although Amazon is 5 times the cost of Aliexpress, the turnaround and support may be worth it for some of the above items, particularly if you've never bought this before.

    What these links mean

    The links provided here are illustrative and do not constitute endorsement of individual products or vendors. In particular, the OLED screens can be very choosy about what they work with and differ from vendor to vendor, even sometimes from order to order. Make sure your OLED screens have 4 pins, (ideally GND VCC SCL SDA when held upright reading from left to right), work with I2C (not SPI) and support 5 volts. Amazon links are affiliate links chosen because of prime delivery support, Aliexpress ones are not.

    The first video is a short and gentle intro to breadboards. Over the coming weeks we'll bring out more videos on using headers, jumper cables and connecting a display. We'll also look at the code involved, the protocols used and how to use your own images on your HIDIOT.

    If you're new to the HIDIOT, we hope you'll come join us and start adding new things to yours. We designed the HIDIOT so you can make it your own, and this is a big part of that.

    And in the meantime if after watching the video you want to go deeper and learn about what's inside a breadboard, the good folks at Science Buddies have a great in-depth article just for you.

    How To Read A Schematic

    How To Read A Schematic
    One of the most important things for us about the HIDIOT was to make it a piece of Open Source Hardware. That means that it's possible for you to study it, learn how it's made, modify it, build your own and pretty much do anything you want with it. This freedom might seem a little strange, but it's how hardware used to be for most of the 20th century.

    An important electronics skill is being able to read an electrical schematic. We thought we'd teach you how to read a schematic by reading ours, and comparing it to some similar circuits. Open this link in a new tab for a full-size copy of the schematic to play along with this blog post.

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    The Road Ahead

    The Road Ahead

    Our new website is now live! I founded Raw Hex in 2014 as a personal blog to teach security testing. A lot has happened since then. The funny thing about having an educational blog while running a consulting practice is that it's impossible to build a routine for building decent content.

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