A Raspberry Pi HAT called the [he]#8220[/he]8-channel ADC Board[he]#8221[/he] provides a 10-bit ADC with 8x channels split into voltage divider and zero-ohm jumper configurations. Burgessworld Custom Electronics has gone to Tindie to sell an “8-Channel ADC Board” Raspberry Pi HAT for $17. // Read more: original article.