The S1-AU provides a hands-on way to discover the hidden logic of computing using 7400 series ICs.Designed by ARITH-MATIC in United Kingdom
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Explore the guts of computing with the ARITH-MATIC S1-AU Mk1 The S1-AU Mk1 is a beautifully engineered DIY electronic kit designed with classic 7400 series integrated circuits (ICs). It is a unique...Read More…
Explore the guts of computing with the ARITH-MATIC S1-AU Mk1
The S1-AU Mk1 is a beautifully engineered DIY electronic kit designed with classic 7400 series integrated circuits (ICs). It is a unique and rewarding soldering exercise enabling you to rediscover the hidden logic of computing!
Once you have constructed the S1-AU Mk1, it works as an operational 4-bit arithmetic unit, similar to what was found in early computers. It can perform 4-bit binary addition, subtraction, accumulation and comparison.
It doesn’t just blindly process binary arithmetic through 7400 series ICs either. Using ultra-bright LEDs the board shows you the state of each operation, step by step, so you can actually see and understand how a computer really works!
The S1-AU ships as a bare-board PCB, contains all the electronic components you'll need to construct it, includes a USB cable for power, and comes with a comprehensive ‘Operator's Technical Manual’ to show you how to build and use it.
It is an ideal DIY electronic kit for anybody wanting to learn more about the fundamentals of computing and a perfect project for those wishing to rediscover the joy of 7400 series logic.
What is an arithmetic unit?
An arithmetic unit enables computers to perform binary arithmetic. It is one of the most important parts of a CPU (Central Processing Unit) and can be found at the heart of every digital computer. An arithmetic unit which also performs bitwise logical operations is commonly referred to as an ALU (Arithmetic Logic Unit).
What's included in the S1-AU Mk1 Kit?
The kit contains all the through-hole electronic components you’ll need to build a working 4-bit arithmetic unit, and includes:
The kit is supplied with a comprehensive 'Operator's Technical Manual' (as a downloadable .pdf - English language only) which describes in detail what the arithmetic unit is and how ALUs are used more generally in computers. The manual also explains how to fully construct and operate the S1-AU and gives a primer on binary operations (addition, subtraction & twos complement) for those who may not be familiar with binary arithmetic.
The S1-AU Mk1 is recommended for ages 16+ and some soldering experience is required to construct the kit.
List of 7400 series ICs
The S1-AU is constructed through a set of 7400 series integrated circuits, including:
Order your kit now!
ARITH-MATIC kits will help you to delve directly into the guts of computing, enabling you to rediscover what computers are really made of! Explore binary notation, digital electronics, the joy of 7400 series ICs and the hidden logic found at the heart of every digital computer.
For a fun and rewarding soldering experience, why not dust off the soldering iron and join the growing band of S1-AU owners who are rediscovering the beauty of computational hardware.
Currently shipping to UK / EU / USA and Canada only.
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