- EOL
|
Attention! The sale of the product has been completed. Check otherdevices in this category. |
Description
A set of self-soldering elements with a DS1307 real-time clock and backup battery power supply. Allows you to read time in the form of hour, minute and second and date: month, day, year. Communication interface is I2C bus (SDA and SCL lines), data refresh rate is 1 Hz (1 second).
Specification
- Power supply voltage: 5 V
- Communicationinterface: I2C / TWI (SDA, SCL)
- Bus address: 0x68
- Frequency of refreshment: 1 Hz (1 second)
- Available data:
- Time: hour (AM, PM), minute, second
- Date: month, day, year
- Data backup with batteries (not included - to be purchasedseparately)
- Exact calendar until 2100
- Two 3.3 mm diameter mounting holes
- Dimensions of the plate: 30 x 25 x 5 mm
- Weight: 4 g
| Adafruit offersan example of a chip connection to Raspberry Pi. |
The connection is .
The5 Vsupply voltage is connected to the pin marked with the same symbol. The I2C bus should be connected to the SCL - clock line and SDA -dataline outputs. The SQW pinis arectangular signal output with a selected frequency (details on page 3 of the documentation).GND isthe systemground.
The set includes elements for self-soldering.
- Printed circuit board with the described places to be soldered in
- DS1307
- Quartz resonator 32,768 kHz
- Battery connection
- Goldpin slat
- Resistors to pull up the I2C bus line
Useful links |
