Sinclair ZX81: AV mod and New Keyboard

I have acquired a Sinclair ZX81 from 1981. It is a Z80 based machine with e measly 1KiB of RAM, and arguably the worst keyboard ever. It has only RF video out, so you need a very old TV for that. We will do a composite A/V mod to have more and better options of video output, and it will require a new membrane keyboard, as those usually fail after all these decades. Support me on Patreon: https://www.patreon.com/root42 Support me on Ko-Fi: https://ko-fi.com/root42 Support me on PayPal: https://paypal.me/ArneSchmitz Support me on YouTube: https://www.youtube.com/channel/UCPjFa_UZBUDzdJTIEdyGjIQ/join Music: A Little Wonder by Spino2006 Join me on Mastodon: https://chaos.social/@root42