EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L sensors:TCRT5000 U1 U 2 1 5F03B1B7 P 1700 1600 F 0 "U1" H 1744 1646 50 0000 L CNN F 1 "TCRT5000" H 1744 1555 50 0000 L CNN F 2 "headers:4x1" H 1470 1850 50 0001 C CNN F 3 "" H 1470 1850 50 0001 C CNN 2 1700 1600 1 0 0 -1 $EndComp $Comp L sensors:TCRT5000 U1 U 1 1 5F03C712 P 1000 1600 F 0 "U1" H 1078 1646 50 0000 L CNN F 1 "TCRT5000" H 1078 1555 50 0000 L CNN F 2 "headers:4x1" H 770 1850 50 0001 C CNN F 3 "" H 770 1850 50 0001 C CNN 1 1000 1600 1 0 0 -1 $EndComp $Comp L Device:R R1 U 1 1 5F03E178 P 1000 1200 F 0 "R1" H 1070 1246 50 0000 L CNN F 1 "47R" H 1070 1155 50 0000 L CNN F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 930 1200 50 0001 C CNN F 3 "~" H 1000 1200 50 0001 C CNN 1 1000 1200 1 0 0 -1 $EndComp $Comp L Device:R R2 U 1 1 5F03EE03 P 1700 1200 F 0 "R2" H 1770 1246 50 0000 L CNN F 1 "10K" H 1770 1155 50 0000 L CNN F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 1630 1200 50 0001 C CNN F 3 "~" H 1700 1200 50 0001 C CNN 1 1700 1200 1 0 0 -1 $EndComp $Comp L Device:R R3 U 1 1 5F03F509 P 3600 1250 F 0 "R3" H 3670 1296 50 0000 L CNN F 1 "10K" H 3670 1205 50 0000 L CNN F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 3530 1250 50 0001 C CNN F 3 "~" H 3600 1250 50 0001 C CNN 1 3600 1250 1 0 0 -1 $EndComp $Comp L Comparator:LM393 U3 U 1 1 5F040027 P 3150 1500 F 0 "U3" H 3300 1800 50 0000 C CNN F 1 "LM393" H 3250 1700 50 0000 C CNN F 2 "Package_DIP:DIP-8_W7.62mm_Socket" H 3150 1500 50 0001 C CNN F 3 "http://www.ti.com/lit/ds/symlink/lm393.pdf" H 3150 1500 50 0001 C CNN 1 3150 1500 1 0 0 -1 $EndComp $Comp L Comparator:LM393 U3 U 3 1 5F0428D4 P 3150 1500 F 0 "U3" H 3108 1546 50 0000 L CNN F 1 "LM393" H 3108 1455 50 0000 L CNN F 2 "Package_DIP:DIP-8_W7.62mm_Socket" H 3150 1500 50 0001 C CNN F 3 "http://www.ti.com/lit/ds/symlink/lm393.pdf" H 3150 1500 50 0001 C CNN 3 3150 1500 1 0 0 -1 $EndComp $Comp L Device:C C1 U 1 1 5F045974 P 2650 1750 F 0 "C1" H 2765 1796 50 0000 L CNN F 1 "100nF" H 2765 1705 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2688 1600 50 0001 C CNN F 3 "~" H 2650 1750 50 0001 C CNN 1 2650 1750 1 0 0 -1 $EndComp $Comp L Device:R_POT RV1 U 1 1 5F046297 P 2450 1600 F 0 "RV1" H 2381 1646 50 0000 R CNN F 1 "R_POT" H 2381 1555 50 0000 R CNN F 2 "headers:3_double_spaced" H 2450 1600 50 0001 C CNN F 3 "~" H 2450 1600 50 0001 C CNN 1 2450 1600 1 0 0 -1 $EndComp Wire Wire Line 2850 1600 2650 1600 Connection ~ 2650 1600 Wire Wire Line 2650 1600 2600 1600 Wire Wire Line 1000 1800 1000 2000 Wire Wire Line 3050 2000 3050 1800 Wire Wire Line 2650 1900 2650 2000 Connection ~ 2650 2000 Wire Wire Line 2650 2000 3050 2000 Wire Wire Line 2450 1750 2450 2000 Connection ~ 2450 2000 Wire Wire Line 2450 2000 2650 2000 Wire Wire Line 3050 1000 3050 1200 Wire Wire Line 3600 1100 3600 1000 Wire Wire Line 3600 1000 3050 1000 Connection ~ 3050 1000 Wire Wire Line 3450 1500 3600 1500 Wire Wire Line 3600 1500 3600 1400 Text GLabel 3750 1500 2 50 Output ~ 0 ANE_OUT Wire Wire Line 3750 1500 3600 1500 Connection ~ 3600 1500 Connection ~ 2450 1000 $Comp L power:GND #PWR03 U 1 1 5F04E3CB P 2450 2150 F 0 "#PWR03" H 2450 1900 50 0001 C CNN F 1 "GND" H 2455 1977 50 0000 C CNN F 2 "" H 2450 2150 50 0001 C CNN F 3 "" H 2450 2150 50 0001 C CNN 1 2450 2150 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR02 U 1 1 5F04EA7A P 2450 850 F 0 "#PWR02" H 2450 700 50 0001 C CNN F 1 "+3V3" H 2465 1023 50 0000 C CNN F 2 "" H 2450 850 50 0001 C CNN F 3 "" H 2450 850 50 0001 C CNN 1 2450 850 1 0 0 -1 $EndComp Wire Wire Line 2450 1000 3050 1000 Wire Wire Line 2450 1000 2450 850 Wire Wire Line 2450 2000 2450 2150 $Comp L microcontroller:ESP32-DEVKIT E1 U 1 1 5F05FFF9 P 6450 1750 F 0 "E1" H 6455 2765 50 0000 C CNN F 1 "ESP32-DEVKIT" H 6455 2674 50 0000 C CNN F 2 "microcontroller:ESP31-DEVKIT" H 6455 875 50 0001 C CNN F 3 "" H 6455 875 50 0001 C CNN 1 6450 1750 1 0 0 -1 $EndComp $Comp L microcontroller:TC4056A_BREAKOUT U2 U 1 1 5F03CA42 P 2600 3300 F 0 "U2" H 2600 3715 50 0000 C CNN F 1 "TC4056A_BREAKOUT" H 2600 3624 50 0000 C CNN F 2 "misc:TC4056A_BREAKOUT" H 2590 2605 50 0001 C CNN F 3 "" H 2590 2605 50 0001 C CNN 1 2600 3300 1 0 0 -1 $EndComp $Comp L misc:REGULATOR U4 U 1 1 5F043DC8 P 3150 4350 F 0 "U4" H 3150 4615 50 0000 C CNN F 1 "REGULATOR" H 3150 4524 50 0000 C CNN F 2 "headers:4x1" H 3150 4350 50 0001 C CNN F 3 "" H 3150 4350 50 0001 C CNN 1 3150 4350 1 0 0 -1 $EndComp $Comp L Connector:Screw_Terminal_01x02 J1 U 1 1 5F051EE9 P 1300 3350 F 0 "J1" H 1218 3025 50 0000 C CNN F 1 "SOLAR" H 1218 3116 50 0000 C CNN F 2 "headers:2_double_spaced" H 1300 3350 50 0001 C CNN F 3 "~" H 1300 3350 50 0001 C CNN 1 1300 3350 -1 0 0 1 $EndComp Text GLabel 1900 4350 2 50 Output ~ 0 BATT+ $Comp L power:GND #PWR01 U 1 1 5F063315 P 1900 4600 F 0 "#PWR01" H 1900 4350 50 0001 C CNN F 1 "GND" H 1905 4427 50 0000 C CNN F 2 "" H 1900 4600 50 0001 C CNN F 3 "" H 1900 4600 50 0001 C CNN 1 1900 4600 1 0 0 -1 $EndComp Wire Wire Line 1850 4450 1900 4450 Wire Wire Line 1900 4450 1900 4600 Text Label 1650 3250 0 50 ~ 0 SOLAR+ Text Label 1650 3350 0 50 ~ 0 SOLAR- Text GLabel 3150 3150 2 50 Input ~ 0 BATT+ $Comp L power:GND #PWR04 U 1 1 5F068E41 P 3150 3650 F 0 "#PWR04" H 3150 3400 50 0001 C CNN F 1 "GND" H 3155 3477 50 0000 C CNN F 2 "" H 3150 3650 50 0001 C CNN F 3 "" H 3150 3650 50 0001 C CNN 1 3150 3650 1 0 0 -1 $EndComp Text GLabel 2750 4350 0 50 Input ~ 0 BATT+ $Comp L power:GND #PWR05 U 1 1 5F06D52C P 3600 4700 F 0 "#PWR05" H 3600 4450 50 0001 C CNN F 1 "GND" H 3605 4527 50 0000 C CNN F 2 "" H 3600 4700 50 0001 C CNN F 3 "" H 3600 4700 50 0001 C CNN 1 3600 4700 1 0 0 -1 $EndComp Wire Wire Line 3550 4500 3600 4500 Wire Wire Line 3600 4500 3600 4700 $Comp L power:+3V3 #PWR07 U 1 1 5F07AAF1 P 7400 2400 F 0 "#PWR07" H 7400 2250 50 0001 C CNN F 1 "+3V3" V 7415 2528 50 0000 L CNN F 2 "" H 7400 2400 50 0001 C CNN F 3 "" H 7400 2400 50 0001 C CNN 1 7400 2400 0 1 1 0 $EndComp Text GLabel 5900 2000 0 50 Input ~ 0 ANE_OUT $Comp L Connector:Screw_Terminal_01x02 J2 U 1 1 5F0A03E1 P 1650 4450 F 0 "J2" H 1568 4125 50 0000 C CNN F 1 "BATT" H 1568 4216 50 0000 C CNN F 2 "headers:2_double_spaced" H 1650 4450 50 0001 C CNN F 3 "~" H 1650 4450 50 0001 C CNN 1 1650 4450 -1 0 0 1 $EndComp Wire Wire Line 1500 3250 2000 3250 Wire Wire Line 2000 3250 2000 3150 Wire Wire Line 2000 3350 2000 3450 Wire Wire Line 2000 3450 2100 3450 Wire Wire Line 1000 2000 1700 2000 Wire Wire Line 1700 1800 1700 2000 Connection ~ 1700 2000 Wire Wire Line 1700 2000 2450 2000 Wire Wire Line 1000 1350 1000 1400 Wire Wire Line 1500 3350 2000 3350 Wire Wire Line 2100 3150 2000 3150 Wire Wire Line 3100 3150 3150 3150 Wire Wire Line 3100 3450 3150 3450 Wire Wire Line 3150 3450 3150 3650 $Comp L power:+3V3 #PWR06 U 1 1 5F0B46BC P 3700 4250 F 0 "#PWR06" H 3700 4100 50 0001 C CNN F 1 "+3V3" H 3715 4423 50 0000 C CNN F 2 "" H 3700 4250 50 0001 C CNN F 3 "" H 3700 4250 50 0001 C CNN 1 3700 4250 1 0 0 -1 $EndComp Wire Wire Line 3700 4350 3700 4250 Wire Wire Line 3550 4350 3700 4350 Wire Wire Line 1850 4350 1900 4350 $Comp L power:GND #PWR0101 U 1 1 5F0B9F95 P 7100 2300 F 0 "#PWR0101" H 7100 2050 50 0001 C CNN F 1 "GND" V 7105 2172 50 0000 R CNN F 2 "" H 7100 2300 50 0001 C CNN F 3 "" H 7100 2300 50 0001 C CNN 1 7100 2300 0 -1 -1 0 $EndComp Wire Wire Line 6950 2300 7100 2300 Wire Wire Line 6950 2400 7400 2400 Wire Wire Line 5950 2000 5900 2000 Wire Wire Line 1000 1000 1700 1000 Wire Wire Line 1000 1000 1000 1050 Wire Wire Line 1700 1050 1700 1000 Connection ~ 1700 1000 Wire Wire Line 1700 1000 2450 1000 Wire Wire Line 1700 1400 1700 1350 Wire Wire Line 2450 1000 2450 1450 Wire Wire Line 1700 1400 2850 1400 Connection ~ 1700 1400 $EndSCHEMATC