Don Lancaster's TTL Cookbook and CMOS Cookbook would be good companions for the Ben Eater series. https://www.amazon.com/gp/product/0672210355/ref=dbs_a_def_rw

Don Lancaster's TTL Cookbook and CMOS Cookbook would be good companions for the Ben Eater series. https://www.amazon.com/gp/product/0672210355/ref=dbs_a_def_rwt_bibl_vppi_i0 https://www.amazon.com/gp/product/0672210355/ref=dbs_a_def_r... https://www.amazon.com/gp/product/0750699434/ref=dbs_a_def_rwt_bibl_vppi_i1 https://www.amazon.com/gp/product/0750699434/ref=dbs_a_def_r... Actually both books are available from Lancaster's website as a free PDF: https://www.tinaja.com/ebksamp1.shtml https://www.tinaja.com/ebksamp1.shtml