But if you want the Altair 8800 experience on a budget, you can build yourself a clone with an Arduino. [David] kindly shared the build details on his Arduino Project Hub post.

The software is available for Windows or Linux and the AVR/Arduino emulation is built in. For the PIC on Linux, you need an external software simulator that you can easily install.

The 2022 Complete Raspberry Pi and Arduino Developer Bundle is on sale for £30.33, saving you 97% on list price.