Relay cards
A wide selection of relay cards for your project.
- 1 Channel Optically Isolated Relay Card 24VDC$3.49
SKU: 1RLY24V
1 relay with logic level input and a 24 volt coil. Learn More - 1 Channel Optically Isolated Relay Card 5VDC$3.49 As low as $2.95
SKU: 1RLY5V
Single relay module micro controller input, 5 volt coil. Optically isolated. With logic level trigger Learn More - 1 Channel Relay Card (with Toggle Mode)$7.95
SKU: MXA016
1 Channel Relay Card with toggle mode for use with MXA015 UHF TX/RX or MXA013 10 CH TX/RX
Fully Assembled & Tested Module
Learn More - 1 Channel Relay Card 12VDC$2.75
SKU: 1RLY12V
Single channel optically isolated relay module, 12 volt coil.
Learn More -
- 1 channel solid state relay 5V OMRON SSR G3MB-202P Solid State Relay with Resistive PICO Fuse$4.50
SKU: 1CHSSR-1
Single channel Solid state relay module. 0 - 240 VAC at 2 amps. Learn More -
- 12V 2 Ch Relay Wireless Control 315Mhz$10.95
SKU: 2CHTXRX
12 Volt 2 Channel Wireless Remote Control with Keychain Transmitter 315/433 MHz Learn More - 16 Channel Relay Card 12 VDC (Assembled)$14.95
SKU: 16RLY12V
16 relays on one card, logic level inputs, 12 volt coils. Learn More - 16 Channel Relay Card 5 VDC (Assembled)$21.95
SKU: 16RLY5V
16 relays on one card, logic level inputs, 5 volt coils. Learn More - 2 Ch Learning IR Receiver Ver 2.0$34.95
SKU: VK038
Two 10 amp SPST relays on a small PCB form a simple remote control. Good for 5 amps per connection.
ASSEMBLED & TESTED Learn More - 2 Channel Optically Isolated Relay Card 12VDC$5.95 As low as $5.25
SKU: 2RLY12V-R
2 x 12 volt relay card with opto isolators and screw terminals Learn More - 2 Channel Optically Isolated Relay Card 12VDC$4.25 As low as $3.50
SKU: 2RLY12V
2 x 12 volt relays with opto isolators and screw terminals Learn More - 2 Channel Optically Isolated Relay Card 24VDC$6.50 As low as $5.95
SKU: 2RLY24V
2 x 24 volt relays with opto isolators and screw terminals Learn More - 2 Channel Optically Isolated Relay Card 5VDC$3.95 As low as $3.00
SKU: 2RLY5V
Double relay card with logic level inputs and 5 volt supply for the coils Learn More - 2 Channel serial Relay I/O card$34.95
SKU: VK039
Mini 2 channel Relay card for simple control functions from your PC or Arduino. NEW ITEM
Assembled & Tested Learn More - 2 channel solid state relay 5V OMRON SSR G3MB-202P Solid State Relay with Resistive PICO Fuse$5.49 As low as $4.50
SKU: 2CHSSR-1
Dual channel Solid state relay module. 0 - 240 VAC at 2 amps. Learn More - 4 Channel Optically Isolated Relay Card 12VDC
SKU: 4RLY12V-R
4 x 12 volt relay card with opto isolators and screw terminals Learn More - 4 Channel Optically Isolated Relay Card 12VDC blue version acitve LO$5.95
SKU: 4RLY12V
4 x 12 volt relay card with opto isolators and screw terminals Learn More - 4 Channel Optically Isolated Relay Card 24 VDC$5.99 As low as $5.39
SKU: 4RLY24V
4 x 24 volt relays with opto isolators and screw terminals Learn More - 4 Channel Optically Isolated Relay Card 5VDC$4.95 As low as $4.50
SKU: 4RLY5V
4 Channel Optically Isolated Relay Board 5VDC Learn More - 4 Channel Relay Card Module$24.95
SKU: MXA017
4 Channel Relay Card can be connected to the parallel port of a standard PC-AT from type 286 and on, but this module does not come with the parallel connector.
Power supply 12VDC / max 160mA.
Fully Assembled & Tested Module
Learn More - 4 Channel Relay Module$129.95
SKU: VMB4RY
4 Channel Relay Module For VELBUS Home Automation System Learn More - 4 channel solid state relay 5V OMRON SSR G3MB-202P Solid State Relay with Resistive PICO Fuse$10.95
SKU: 4CHSSR-1
Four channel Solid state relay module. 0 - 240 VAC at 2 amps. Learn More
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