ZX80 mini-restoration tutorial

Illustrated tips and tricks for restoring a ZX80 and putting it in a safely usable state. If you perform these steps and power your ZX80 with a modern 9V DC wall wart PSU, the machine will operate robustly and won't develop issues (unless the TTL logic chips are already marginal). For more information, go to: https://www.thebyteattic.com