1 Channel 5V Active Low Relay Module
SGD $ 1.50
2 Channel 5V Active Low Relay Module
SGD $ 3.00
4 Channel 5V Relay Module
SGD $ 14.50
8-Channel 5V Relay Module (RM8LS)
SGD $ 33.00
Modbus RTU Relay (EN)
SGD $ 49.90
Raspberry Pi 8-ch Relay Expansion Board
SGD $ 38.90
TAKAMISAWA RY5W-K 5V DPDT Signal Relay
SGD $ 3.30
USB Control 1 Channel Module 5V Relay Module
SGD $ 10.00
USB Control 2 Channel Module 5V Relay Module
SGD $ 12.00
USB Control 4 Channel Module 5V Relay Module
SGD $ 18.00
USB Control 8 Channel Module 5V Relay Module
SGD $ 28.00