Data signal control for relay switching enables precise automation
Onboard LED indicators provide real-time status feedback
Screw terminals for relay outputs allow flexible wiring
0-1 header supports voltage and signal input for compatibility with microcontrollers
Compact design fits easily into DIY electronics projects
Summarized by Shop
Ideal for use with Arduino and other microcontrollers, this relay module uses data signals to switch a 5V relay. Onboard LED indicators light when relay is switched. Screw terminals for relay outputs. 0.1" header for voltage and signal input. 44 x 27 x 18mm. 2-relay (CAT# RLM-2) and 4-relay (CAT# RLM-4) modules are also available.
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