Tzxduino
ON/OFF selectable amplifier.
Record your games on the Microsd and connect the TzxDuino to the socket of your personal computer, use a power supply from a smartphone with a Usb-C connector.
REM (remote) input it 's especially useful on Amstrad CPC or MSX computers thanks to the support for load pause detection.


3D printed box


TZXduino supported formats:
Spectrum : TAP y TZX
Amstrad : CPC: CDT
MSX : CAS y TSX
ZX80 : O
ZX81 : P
Acorn Atom y Electron : UEF (no compression) y TSX
Dragon 32/64 / Tandy CoCo : CAS y TSX
SVI Spectravideo : TSX
Oric 1 y Oric Atmos :  TSX