RTC (Real Time Clock) DS1302 Clock Module Technology Has been widely used in

Has been widely used in the field of experimental

Suitable for detecting the concentration of carbon dioxide

1*Sensor Shield V5

separate the switch and the magnet when the switch is closed

6x AA Battery Holder Case/Slot w/ DC Jack output

RTC (Real Time Clock) DS1302 Clock Module Technology Has been widely used inThe DS1302 is an accurate clock module which contains a real time clock calendar and 31 bytes of static RAM. Communication with the host microcontroller is through the serial I2C interface. The unit provides seconds, minutes, hours, days, weeks, months, and year information. Features: The clock operation is configurable between 24 or 12 hour operation with AM PM indication. The module uses three leads: RST (Reset), DAT (I O Data), and CLK (Serial