8Ch Input/Output Digital TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu1629

8Ch Input/Output Digital TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu6983

Modbus Rtu Relays Module 3.3-30V Single Channel RS485/TTL UART 1 Input 1 Output

EfModbus RTU Single Relays Module 3.3-30V RS485/TTL UART 1 Input 1 Output RS485

MCU Opto-isolator 8-Channel Power Relay Module Expansion

Allen-Bradley AB 1771-IG TTL Input Module Including Swingarm

Linear CCD Module + USB to TTL Module for Spectral Analysis 2025 NEW YX_TCD1304

Allen-Bradley 1771-IGC PLC TTL Input Module 5V -Lot of 2