Price:
US$8.62
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Clock Shield RTC DS1307 Module Multifunction Expansion Board with 4 Digit Display Light Sensor and Thermistor OPEN-SMART for Arduino – products that work with official Arduino boards
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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