USB HID One-Channel 5V Relay Module
A single-channel relay that a computer switches over USB with no drivers to install — automate a lamp, a reset line, or a test fixture from…
$19.99
Relays & I/O Modules
Relay boards, timers, USB and Modbus I/O
5 products
Schneider Electric RXM Plug-In Relay
Schneider Electric’s RXM plug-in relay for control cabinets and industrial automation — an interface relay for switching loads from PLC or…
$29.99
12V Infrared Remote Relay Switch
A 12 V single-channel relay switched by an infrared remote, for adding remote control to lights, fans, and props.
$20.99
RS485 MODBUS 8DI/4-Relay I/O Module
An RS485 Modbus RTU I/O module with eight digital inputs and four relay outputs, for PLC-style automation, homelab racks, and reading…
$63.99
1-Channel Optocoupled Relay Module — 5/12/24V
A single-channel relay module with optocoupler isolation, offered for 5, 12, or 24 V coils — the basic building block for switching mains…
$19.99