Analog-Digital Converter PublicationSyntaxPub DetailsSyntax/Syntax ZX80 v5 n11Volume: 5 Issue: 11DateNovember 1984Pages4Read the articleSee all articles from Syntax/Syntax ZX80 v5 n11 Use with the BB-1 I/O board. Converts at 2.5v and 5v to 8 bit values (0-255). TagsSyntax Byte-Back Co Hardware review ZX81