IO22C04 4CH 4 Bit LED Pro mini PLC Relay for Arduno DIY Cycle Delay Time Switch
ab 2,14 €
Module No. : IO22C04 1+PROMINIP 1. How to use: See video " IO22C04 pro mini delay relay demo". 1 PCS DC 5V-24V 4 channel Pro mini PLC relay board. Infinite loop delay. 3 on-board resources:4x opto-isolated inputs (low level trigger, NPN type), 4x buttons,1x 4 bit digital tube display, 1 pair of Pro mini slots,4x relay outputs.
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