1Pcs Automation DC 12V Time Delay Relay Module LED Display Digital Delay Timer PLC Delay Time Control Switch 0.1Sec to 999Min Adjustable

The Comidox 1Pcs Automation DC 12V Time Delay Relay Module LED Display Digital Delay Timer PLC Delay Time Control Switch is a highly versatile and useful product that can have a multitude of applications. Customers have reported using it for relay control in automation projects and for controlling car-related circuits. One customer used it to safely shut down a Raspberry Pi in a car with a 12-volt system, while another used it to switch on/off a microwave transformer spot welder. The board has a high level trigger and pulls the coil just once for long held triggers. It does not respond to quick momentary pulses, and momentary latching relay is recommended for that application. The trigger removed and re-applied starts the time delay, and the unit has an infinite cycle delay function that may require an initial trigger. Customers have noted that the product is well-built, has a digital display, and is easy to use once you figure out how to set the delay time. The board has four modes, and the first mode (P1) is the one most commonly used. To change the position of the decimal point or to remove it, customers must ensure that none of the digits is flashing, then press the third button repeatedly until the decimal (or lack of one) is where they want it. Overall, customers are very satisfied with the Comidox 1Pcs Automation DC 12V Time Delay Relay Module LED Display Digital Delay Timer PLC Delay Time Control Switch and recommend it to others. However, some customers have noted that the unit may stop working after a few uses, and that it should come with a cover and clearer instructions.