7-24V Powered 4 Channel Relay Module Modbus RTU RS232/TTL UART Optocoupler Isolation 5V 10A MAX3232 for Arduino PLC Industrial Control Relay Module Board $20.00 View Details
Novixy 5-Pack 5V 1-Channel Relay Board Module for Arduino Raspberry Pi AVR DSP, 10A 250VAC Control Shield for GPIO Projects $10.49 View Details
4-Pack 2-Channel 12V/24V Bidirectional Relay Module with Optocoupler Isolation, SPDT Control Board for MCU for ARDUINO PLC Projects, Compact Size with Status Indicator(12V) $13.93 View Details
Treedix DC 5V Channel Relay Board Module Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered Compatible with Arduino Raspberry Pi $7.99 View Details
Novixy 5pcs 3V Relay Module with Optocoupler Isolation, 1 Channel 10A Power Switch Board for Arduino DIY Electronics Projects $10.69 View Details
Suodoka 10pcs DC 12V 1 Channel Relay Board Module High Level Trigger for Arduino (6.30 inches / 16 cm) $15.73 View Details
Treedix 5v Relay Module 5V Indicator 1 Channel Relay Module for Arduino ARM PIC AVR $11.99 View Details
Novixy 4 Channel Relay Module 5V 12V 24V with Optocoupler Isolation, High Current 10A Relay Board for Arduino PLC Microcontroller Projects $8.29 View Details
