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Mode 3: when the clock through a second, outer LED turns off a.The first seconds, only the first LED light, 2 seconds only the second LED light. Mode 2: when the clock through a second, outer ring take turns to light up a LED.And the next minute, leds light up one by one again, so alternates. The next minute, all leds light up, and through the clock for a second, put out one by one. Mode 1: as the clock through a second, outer ring LED lit one by one, that is 60 seconds, outer ring all the LED light.Mode 0: is also the default display mode, all the 1-12 hours red digital tube light, when the clock through a second, is the green digital tube is take turns to light up a.Outer LED display has four modes, can cooperate to add key implementation, through the model key Under the time display mode, press PLUS, can display the current temperature Tone after a preset time, even if the power lost, again after power on, no need to set a time The reserved buffer program interface, can change to the circuit board to do procedure, easy to operate Specific look at the following keys function description When to set the alarm time, buzzer sounds, if not, manually turn off the buzzer will continue to ring for 10 minutes. Through the button switch, you can set the alarm clock function. Through the key switch, you can see the preset date. 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

Can write your own research program,also can send friend or send to parents,personally produced gift full of deep feeling. Especially for electronic major students learning to use, the board also has plug-chip devices both devices to help you improve the welding technology!After completion of production not lack scope for their abilities. This is an affordable and practical and beautiful DIY kit.