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Free computing teaching and learning resources.

RPi GPIO python simulator

Following on from the micro:bit python simulator on create.withcode.uk, many students and staff have requested a python simulator for the Raspberry Pi GPIO pins. This quickstart guide talks you through how to start writing code for physical computing using the GPIO pins on a Raspberry Pi. It’s designed for teaching students how to do physical computing

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Free self marking computing tests for binary, decimal and hex conversion

Converting from binary to decimal and back again is a key skill for Computer Scientists at GCSE and above. Students also have to be able to convert to and from hexadecimal. This means that there are 6 possible conversions that students need to be able to make in a Computer Science exam: I’ve updated this

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Free binary teaching tool: How does 2s complement work?

My GCSE Computer Science students need to understand how to convert positive numbers into 8 bit binary. Today, my Y10s had to teach this to the Y6s visiting for their new Y7 induction day. After the  Y6s had gone off for an early lunch, my Y10s had to discuss how they would extend what they knew about

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