arduino M492 DIY DS1302 Rotating LED Electronic Digital Clock Kit 51 SCM Learning Board Timer Counter and Clock Electronic Hobby Kit

Electronic clock function. Four digital tube display time function. Every second, digital tube, two points on a flashing, at the same time, the casing outside the clock LED will take turns to light up a take turns bright finish a circle represents the clock through a minute 2. Date display. Through the key switch, you can see the preset date. Specific look at the following keys function description 3. Alarm function. Through the button switch, you can set the alarm clock function. When to set the alarm time, buzzer sounds, if not, manually turn off the buzzer will continue to ring for 10 minutes. Specific look at the following keys function description