DS1302 Horloge avec jeu de LED et température en kit.

1. Electronic clock function. Four digital tube time display functions.
Every second, a digital tube flashes two points at the same time,
The outer shell of the clock LED will light up alternately
The rotating bright trim circle represents the clock within minutes
2. Display the date. The preset date can be seen through the key switch.
Specific description of key functions
3. Alarm function. The alarm function can be set through the button switch.
When to set the alarm time, if not, beep,
Manually turning off the buzzer will continue to sound for 10 minutes.
Specific description of key functions
4. Combustion function. The backup buffer interface of the program,
Can be replaced on the PCB for production process, easy to operate
5. Real-time clock function. The tone emitted after a preset time, even if the power is off,
No need to set time after power on again
6. Temperature display function.
In the time display mode, press the plus sign to display the current temperature
7. Multiple function display modes. The external LED display has four modes,
Key applications can be added through model key collaboration.
Mode 0: It is also the default display mode, all 1 to 12 hours are red digital tube lights,
After one second of the clock, the green digital tube lights up a.
Mode 1: Just like the second clock, the external ring LED lights up sequentially,
For 60 seconds, the external ring LED lights up.
In the next minute, all the LEDs were lit, and a few hours later, they were arranged one after another.
In the next minute, the LED indicators will light up one by one so that they flash alternately.
Mode 2: After one second, the outer ring rotates to light up the LED.
In the first few seconds, only the first LED light, only 2 seconds, only the second LED light.
Mode 3: After one second, the external LED turns off a.
for the first few seconds, there is only the first LED and only the second LED-2 seconds.

The main function:
With the addition of the key, work can be added for years, months, days, hours, minutes, and seconds.
At the same time according to the value and 1
Mode key, you can switch to year, month, day, hour, minute, alarm on the display clock,
Adjust the outer ring of the LED display.
Use the "add key" button to adjust the year, month, day, hour, minute, second and display mode
RST key, press the reset button, and then reset the MCU


Parameters:
Baby name: electronic clock
Size: 81mm X81mm X 1.6mm / 0.2657480319 X 0.2657480319 X 0.05544619431 INCH
Material:PCB board
color: blue, digital tube display: red
Power supply voltage: 5V (powered through the miniUSB interface, not through the battery to power the entire board)