Features 1 versatile control solution the hcw 03 12v relay module offers unparalleled versatility for electronics projects with its infinite loop delay circuit and multi functionality it can be used for a wide range of applications from home automation to industrial control systems 2 easy to use this relay module is designed to be user friendly with simple wiring and easy to understand instructions whether you re a seasoned electronics enthusiast or a beginner you ll find it easy to integrate this module into your projects 3 high quality components the hcw 03 is built to last with high quality components that are designed to withstand the rigors of continuous use the relay itself is rated for up to 10a making it suitable for a wide range of applications 4 reliable performance with its advanced delay circuit and precise timing capabilities the hcw 03 offers reliable performance that you can count on whether you re controlling lights motors or other devices you can trust this module to deliver consistent results package include 1 module boardhow to use adjust the time counterclockwise to decrease and adjust it clockwise to increase the resistance range is about 0 5k when t1 is adjusted to 0 the relay does not work formula t1 t2 time seconds or minutes voltage value mv 32 8095for example the measured voltage value is 273mv if the working time unit is seconds the timer time is about 237 32 8 7 2 seconds if the working time unit is minute
