EESchema Schematic File Version 4 LIBS:IV-9_Clock-cache EELAYER 29 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 10 16 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L power:VCC #PWR0172 U 1 1 5BB64BC9 P 4600 1300 F 0 "#PWR0172" H 4600 1150 50 0001 C CNN F 1 "VCC" H 4617 1473 50 0000 C CNN F 2 "" H 4600 1300 50 0001 C CNN F 3 "" H 4600 1300 50 0001 C CNN 1 4600 1300 1 0 0 -1 $EndComp $Comp L device:C C1101 U 1 1 5BB64C0D P 4850 1400 F 0 "C1101" V 4598 1400 50 0000 C CNN F 1 "100nF" V 4689 1400 50 0000 C CNN F 2 "Capacitors_SMD:C_0603" H 4888 1250 50 0001 C CNN F 3 "~" H 4850 1400 50 0001 C CNN 1 4850 1400 0 1 1 0 $EndComp Wire Wire Line 4700 1400 4600 1400 Wire Wire Line 4600 1400 4600 1300 Wire Wire Line 4600 1400 4600 1650 Connection ~ 4600 1400 $Comp L power:GND #PWR0183 U 1 1 5BB64C97 P 5100 1500 F 0 "#PWR0183" H 5100 1250 50 0001 C CNN F 1 "GND" H 5105 1327 50 0000 C CNN F 2 "" H 5100 1500 50 0001 C CNN F 3 "" H 5100 1500 50 0001 C CNN 1 5100 1500 1 0 0 -1 $EndComp Wire Wire Line 5100 1500 5100 1400 Wire Wire Line 5100 1400 5000 1400 $Comp L power:GND #PWR0184 U 1 1 5BB64E9A P 4600 2450 F 0 "#PWR0184" H 4600 2200 50 0001 C CNN F 1 "GND" H 4605 2277 50 0000 C CNN F 2 "" H 4600 2450 50 0001 C CNN F 3 "" H 4600 2450 50 0001 C CNN 1 4600 2450 1 0 0 -1 $EndComp Text GLabel 4100 1850 0 39 Input ~ 0 SCL Text GLabel 4100 1950 0 39 Input ~ 0 SDA $Comp L device:Battery_Cell BT1101 U 1 1 5BB6519B P 3950 1400 F 0 "BT1101" V 3695 1450 50 0000 C CNN F 1 "Battery_Cell" V 3786 1450 50 0000 C CNN F 2 "BatteryHolder:Battery_Holder" V 3950 1460 50 0001 C CNN F 3 "~" V 3950 1460 50 0001 C CNN 1 3950 1400 0 1 1 0 $EndComp Wire Wire Line 4500 1650 4500 1400 Wire Wire Line 4500 1400 4400 1400 $Comp L power:GND #PWR0185 U 1 1 5BB652E4 P 3750 1500 F 0 "#PWR0185" H 3750 1250 50 0001 C CNN F 1 "GND" H 3755 1327 50 0000 C CNN F 2 "" H 3750 1500 50 0001 C CNN F 3 "" H 3750 1500 50 0001 C CNN 1 3750 1500 1 0 0 -1 $EndComp Wire Wire Line 3750 1500 3750 1400 Wire Wire Line 3750 1400 3850 1400 Text GLabel 4400 1300 1 50 Input ~ 0 V_Bat Wire Wire Line 4400 1300 4400 1400 Connection ~ 4400 1400 Wire Wire Line 4400 1400 4150 1400 NoConn ~ 5150 1850 $Comp L Timer_RTC:DS3231MZ U1001 U 1 1 5BC5953E P 4600 2050 F 0 "U1001" H 4600 1564 50 0000 C CNN F 1 "DS3231MZ" H 4600 1473 50 0000 C CNN F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 4600 1550 50 0001 C CNN F 3 "http://datasheets.maximintegrated.com/en/ds/DS3231M.pdf" H 4600 1450 50 0001 C CNN 1 4600 2050 1 0 0 -1 $EndComp NoConn ~ 5100 2150 NoConn ~ 4100 2250 $EndSCHEMATC