Analog-Digital Converter Authors Publication Syntax Publication Details Volume: 5 Issue: 11 Date November 1984 Pages 4 Read the article See 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). Products Downloadable Media Related Articles Tags Syntax, Byte-Back Co, Hardware review, ZX81 People No people associated with this content.