IO22C04 4 Channel Pro Mini Relay Module Expansion Board Multi-function Delay Relay PLC Power

Manual Click here to open Features Operating voltage power supply 1 DC 6 5 25V power supply 2 DC 5V Operating Current Standby current all relays closed 15mA 1 relay open 45mA 2 relays open 77mA 3 relays open 109mA 4 relays open 140mA Size 80x66x19mm Weight 79g On 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 outputs 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 Package Included 1 x IO22C04 4 Channel Pro Mini Relay Module