Numa Logic NL-340 4-Input Logic Module USED

Numa Logic NL-341 Input Logic Module 2 Point USED

Numa Logic NL-342 2-Input and Logic Module USED

8ch 3.3V 5V 12V 24V TTL LvTTL Digital Logic Level Conversion Protection Panel

Vintage Ferranti multi‑channel I/O and control logic conditioning module

Global Specialties PB-502 Portable Advanced Logic Design Trainer/no Power Cord

3 x Logic Level Converter 4-Channel 3.3V-5V

Numa Logic NL-344 Dual Adjustment Timer On/Off Delay Control Board USED