4 Channel For Pro Mini Expansion Board Diy Multi-Function Delay Relay PLC Power Timing Device

Specifications Operating voltage power supply 1 DC 6 5 25V power supply 2 DC 5VOperating Current Standby current all relays closed 15MA 1 relay open 45MA 2 relays open 77MA 3 relays open 109MA 4 relays open 140MAOn board resources 4x opto isolated inputs low level trigger NPN type 4x buttons 1 4 bit digital tube display 1 pair of Pro mini slots 4 relay outputsSize 80x66x19mmWeight 79g Features As long as you write ARDUIUO code sketch You can use it to achieve a variety of delay timer function such as Motor forward and reverse Timing on Timing off Power up delay Trigger delay Infinite loop delay A finite number of cyclic delays Power sequencer And so on Note IO22C04 can not work independently must be under the control of the Pro mini board to work If you do not have a Pro mini board purchase it separately or purchase a kit with Pro mini Package Included 1 x Multi Function Delay Relay PLC Power Timing Device