Zx Spectrum Compatible built  kit computer using a Raspberry Pico microcontroller to emulate the Zx zx81 Spectrum 48  and 128k

Can be programmed to run zx81 by dragging supplied uf2 file to pico , press boot on pico when turning on and connected by usb c  lead to pc, spectrum and zx81 emulator files supplied in root and links below.

Machine loads 48 and 128k games and emulates Ay chip for 128k and buzzer for 48k games

Uses Sna or Tap/Tzx files  to load software from sd card 

Hand built in my shed from off the shelf components.

Has own keyboard and Joystick interface 9pin

Power via a standard usb c lead

Video output is Vga so will work on most modern Televisions or Monitors 

Comes with sd card with some programs to start

Machines can load games instantly or you can emulate original loading .

Great little machine which emulates a Spectrum or Zx80 /81  Computer for the easy to use nostalgia

Uf2 file links below

zx spectrum 48 128

https://github.com/fruit-bat/pico-zxspectrum/blob/main/uf2/ZxSpectrumPicomputerVga222Zx_720x576x50Hz.uf2

Zx80 81

https://github.com/ikjordan/picozx81/blob/main/uf2/picozx81_picozx.uf2

Please state which machine you would like programmed when supplied will put sofware for both machines on sd card so easy to load either , if no preference I will supply with the zx81 programmed.

Thanks