4 Output Relay Module Works on 5V Signal (SKU#KIT.M7)
With Optocoupler Isolation & High/Low Trigger Selection
3.15 3.15 USD
2 Output Relay Module Works on 5V Signal (SKU#KIT.M4)
With Optocoupler Isolation & High/Low Trigger Selection
1.58 1.58 USD
5.78 5.78 USD
TLP521-4
4 Optocouplers in Single Chip
1.58 1.58 USD
0.25 0.25 USD
0.11 0.11 USD
CNY17-3 Optocoupler
Phototransistor Output, With Base Connection
0.17 0.17 USD
PC817 = EL817C-F
Optocoupler
0.04 0.04 USD
0.11 0.11 USD