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Rp50.000
Modul RTC DS3231 for Raspberry Pi Arduino
Rp50.000
- Kondisi: Baru
- Min. Pemesanan: 1 Buah
- Etalase: Raspberry & more
The popular Raspberry Pi computer unfortunately lacks a real time clock. This is a high precision Real Time Clock (RTC) module for the Raspberry Pi, either Model A or Model B. Designed to connect directly to the Raspberry Pi GPIO port with an ultra small footprint.
The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Two programmable time-of- day alarms and a programmable square-wave output are provided. Address and data are transferred serially through an I2C bidirectional bus.
Specification
Accuracy 2ppm from 0C to +40C
Accuracy 3.5ppm from -40C to +85C
Battery Backup Input for Continuous Timekeeping
Operating Temperature Ranges - Commercial: 0C to +70C, Industrial: -40C to +85C
Low-Power Consumption
Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
Two Time-of-Day Alarms
Programmable Square-Wave Output
Fast (400kHz) I2C Interface
3.3V Operation
Digital Temp Sensor Output: 3C Accuracy
Register for Aging Trim
RST Output/Pushbutton Reset Debounce Input
Underwriters Laboratories (UL) Recognized
Basic Step
1.Remove the module blacklist entry so it can be loaded on boot
sudo sed -i 's/blacklist i2c-bcm2708/#blacklist i2c-bcm2708/' /etc/modprobe.d/raspi-blacklist.conf
2.Load the module now
sudo modprobe i2c-bcm2708
3.Notify Linux of the Dallas RTC device
echo ds1307 0x68 | sudo tee /sys/class/i2c-adapter/i2c-1/new_device
4.Test whether Linux can see our RTC module.
sudo hwclock
That's it! You can also add the i2c initial
The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Two programmable time-of- day alarms and a programmable square-wave output are provided. Address and data are transferred serially through an I2C bidirectional bus.
Specification
Accuracy 2ppm from 0C to +40C
Accuracy 3.5ppm from -40C to +85C
Battery Backup Input for Continuous Timekeeping
Operating Temperature Ranges - Commercial: 0C to +70C, Industrial: -40C to +85C
Low-Power Consumption
Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
Two Time-of-Day Alarms
Programmable Square-Wave Output
Fast (400kHz) I2C Interface
3.3V Operation
Digital Temp Sensor Output: 3C Accuracy
Register for Aging Trim
RST Output/Pushbutton Reset Debounce Input
Underwriters Laboratories (UL) Recognized
Basic Step
1.Remove the module blacklist entry so it can be loaded on boot
sudo sed -i 's/blacklist i2c-bcm2708/#blacklist i2c-bcm2708/' /etc/modprobe.d/raspi-blacklist.conf
2.Load the module now
sudo modprobe i2c-bcm2708
3.Notify Linux of the Dallas RTC device
echo ds1307 0x68 | sudo tee /sys/class/i2c-adapter/i2c-1/new_device
4.Test whether Linux can see our RTC module.
sudo hwclock
That's it! You can also add the i2c initial
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