Clock Shield RTC DS1307 Module Multifunction Expansion Board with 4 Digit Display Light Sensor and Thermistor

Description:

 

Clock Shield (digital clock module) Shield contains the most common resources for a basic electronic project, like buttons, sensors, buzzers, and display. Combined with Arduino compatible motherboard is a perfect start for beginners of Arduino world. 

 

Features:

 

1. Brand new handy and pretty cheap

2. Can be directly inserted on the compatible board for Arduino

3. The on-board real-time clock chip

4. For Arduino rich supporting experimental routines with other SCM systems

5. Handy and pretty cheap

 

Specification:

Item	Min	Typical values	Max	Unit
Voltage	4.5	5	5.5	V
Current	-	80	-	mA
Size	74x59x30			mm
Net weight	35			g

Interface:

 

Clock Shield interface as shown below:

Hardware resources:

 

Battery Holder: Battery on the card to the real-time clock chip power supply, making the board can continue to power down timer ;

Buzzer: 5V DC buzzer, do alarm clock, key tone ;

Photoresistor: the intensity of the ambient light sensor ;

Thermistor: detecting environmental temperature ;

K1 ~ K3: SCM can be scanned directly touch of a button ;

U5: TM1636, namely, four 8-segment common anodes LED Driver IC ;

U3: DS1307, namely, real-time clock chip ;

D1 ~ D4: blue, green, red, red, 3mm plug LED.

Digital tube: 4 8 segments of positive points with a digital clock, and the decimal point is not displayed, only for identification purposes direction.

 

Occupied Arduino pin Resources:

 

Total occupied nine digital pins, two analog input pins, an I2C interface

D2: control blue LED1;

D3: Control the green LED2;

D4: Control the red LED3;

D5: Control the red LED4;

D7: connection TM1636 clock pin SCLK;

D8: TM1636 data connection pin DIO;

D9: control keys K1;

D10: control buttons K2;

D11: control buttons K3;

A0: poll readings from temperature sensor;

A1: poll readings from the light sensor;

A4: connect the DS1307 I2C data pin SDA;

A5: connect the DS1307 I2C clock pin SCL

Package includes:

1 x Clock Shield