Member Only Archive
Table of contents
- tuning fork - with electronic prongs
- balancing transformers - aerial matching made simple
- video colour inverter - with a host of other interesting facets
- programming the 6845 - a BASIC description of the CRTC registers
- ZXS1 cassette pulse cleaner - a cassette output signal cleaner for computers with single-frequency FS K
- direct-coupled modem - a multi-standard alternative to the acoustically-coupled modem
- battery meter - indicates the approximate capacity of a dry cell
- RS232/Centronics converter - a serial to parallel and parallel to serial converter with handshake lines
- dynamic pre-amplifier - for magnetic pick-ups