| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413 | EESchema Schematic File Version 4EELAYER 30 0EELAYER END$Descr A4 11693 8268encoding utf-8Sheet 1 1Title ""Date ""Rev ""Comp ""Comment1 ""Comment2 ""Comment3 ""Comment4 ""$EndDescr$CompL Device:Battery_Cell BT?U 1 1 5E45BF9DP 1100 5900F 0 "BT?" H 1218 5996 50  0000 L CNNF 1 "LiIon battery 4.2V" H 1218 5905 50  0000 L CNNF 2 "" V 1100 5960 50  0001 C CNNF 3 "~" V 1100 5960 50  0001 C CNN	1    1100 5900	1    0    0    -1  $EndComp$CompL power:VCC #PWR?U 1 1 5E45DBB8P 4750 1550F 0 "#PWR?" H 4750 1400 50  0001 C CNNF 1 "VCC" H 4767 1723 50  0000 C CNNF 2 "" H 4750 1550 50  0001 C CNNF 3 "" H 4750 1550 50  0001 C CNN	1    4750 1550	1    0    0    -1  $EndCompWire Wire Line	5500 2700 4750 2700Wire Wire Line	7400 2400 8250 2400Wire Wire Line	8250 2400 8250 3500$CompL power:GND #PWR?U 1 1 5E45E3CEP 8250 4800F 0 "#PWR?" H 8250 4550 50  0001 C CNNF 1 "GND" H 8255 4627 50  0000 C CNNF 2 "" H 8250 4800 50  0001 C CNNF 3 "" H 8250 4800 50  0001 C CNN	1    8250 4800	1    0    0    -1  $EndComp$CompL Device:D D?U 1 1 5E45E9FBP 6450 3200F 0 "D?" H 6450 3416 50  0000 C CNNF 1 "1N4148" H 6450 3325 50  0000 C CNNF 2 "" H 6450 3200 50  0001 C CNNF 3 "~" H 6450 3200 50  0001 C CNN	1    6450 3200	1    0    0    -1  $EndComp$CompL Device:D D?U 1 1 5E460F99P 6450 3900F 0 "D?" H 6450 4116 50  0000 C CNNF 1 "1N4148" H 6450 4025 50  0000 C CNNF 2 "" H 6450 3900 50  0001 C CNNF 3 "~" H 6450 3900 50  0001 C CNN	1    6450 3900	1    0    0    -1  $EndCompWire Wire Line	5500 2500 5150 2500Wire Wire Line	5150 2500 5150 3200Wire Wire Line	6600 3200 7600 3200Wire Wire Line	7600 3200 7600 2600Wire Wire Line	7600 2600 7400 2600Wire Wire Line	6300 3900 6050 3900$CompL Switch:SW_Push SW?U 1 1 5E464354P 9150 2950F 0 "SW?" H 9150 3235 50  0000 C CNNF 1 "Contact Door (Empty)" H 9150 3144 50  0000 C CNNF 2 "" H 9150 3150 50  0001 C CNNF 3 "~" H 9150 3150 50  0001 C CNN	1    9150 2950	1    0    0    -1  $EndComp$CompL Switch:SW_Push SW?U 1 1 5E464FC2P 9150 3550F 0 "SW?" H 9150 3835 50  0000 C CNNF 1 "Contact Mailbox" H 9150 3744 50  0000 C CNNF 2 "" H 9150 3750 50  0001 C CNNF 3 "~" H 9150 3750 50  0001 C CNN	1    9150 3550	1    0    0    -1  $EndComp$CompL Device:CP C?U 1 1 5E465EAFP 7350 4150F 0 "C?" V 7605 4150 50  0000 C CNNF 1 "47u" V 7514 4150 50  0000 C CNNF 2 "" H 7388 4000 50  0001 C CNNF 3 "~" H 7350 4150 50  0001 C CNN	1    7350 4150	0    -1   -1   0   $EndComp$CompL Device:R R?U 1 1 5E465EB5P 7350 3800F 0 "R?" V 7557 3800 50  0000 C CNNF 1 "56k" V 7466 3800 50  0000 C CNNF 2 "" V 7280 3800 50  0001 C CNNF 3 "~" H 7350 3800 50  0001 C CNN	1    7350 3800	0    -1   -1   0   $EndCompWire Wire Line	7500 4150 7600 4150Wire Wire Line	7500 3800 7600 3800Wire Wire Line	6600 3900 7100 3900Wire Wire Line	7100 3900 7100 3800Wire Wire Line	7100 3800 7200 3800Wire Wire Line	7100 3900 7100 4150Wire Wire Line	7100 4150 7200 4150Connection ~ 7100 3900Wire Wire Line	7600 4150 7600 3900Wire Wire Line	7600 3900 8950 3900Connection ~ 7600 3900Wire Wire Line	7600 3900 7600 3800Wire Wire Line	4750 1650 9950 1650Wire Wire Line	9950 1650 9950 2950Wire Wire Line	9950 3550 9350 3550Connection ~ 4750 1650Wire Wire Line	4750 1650 4750 1550Wire Wire Line	9350 2950 9950 2950Connection ~ 9950 2950Wire Wire Line	9950 2950 9950 3550Wire Wire Line	7400 2950 7900 2950Wire Wire Line	7400 2700 7400 2950$CompL Device:D D?U 1 1 5E469199P 6450 3500F 0 "D?" H 6450 3716 50  0000 C CNNF 1 "1N4148" H 6450 3625 50  0000 C CNNF 2 "" H 6450 3500 50  0001 C CNNF 3 "~" H 6450 3500 50  0001 C CNN	1    6450 3500	1    0    0    -1  $EndCompConnection ~ 7400 2950Wire Wire Line	6050 3200 6050 3500Connection ~ 6050 3200Wire Wire Line	6050 3200 6300 3200Wire Wire Line	6300 3500 6050 3500Connection ~ 6050 3500Wire Wire Line	6050 3500 6050 3900Wire Wire Line	6600 3500 7400 3500Wire Wire Line	7400 2950 7400 3500Wire Wire Line	8950 3900 8950 3550$CompL power:GND #PWR?U 1 1 5E471827P 1100 6200F 0 "#PWR?" H 1100 5950 50  0001 C CNNF 1 "GND" H 1105 6027 50  0000 C CNNF 2 "" H 1100 6200 50  0001 C CNNF 3 "" H 1100 6200 50  0001 C CNN	1    1100 6200	1    0    0    -1  $EndCompWire Wire Line	5500 2600 5500 2700$CompL Device:R R?U 1 1 5E475105P 7900 3250F 0 "R?" H 7970 3296 50  0000 L CNNF 1 "180k" H 7970 3205 50  0000 L CNNF 2 "" V 7830 3250 50  0001 C CNNF 3 "~" H 7900 3250 50  0001 C CNN	1    7900 3250	1    0    0    -1  $EndCompWire Wire Line	7900 3100 7900 2950Connection ~ 7900 2950Wire Wire Line	7900 2950 8950 2950Wire Wire Line	7900 3400 7900 3500Wire Wire Line	7900 3500 8250 3500Connection ~ 8250 3500Wire Wire Line	5150 3200 6050 3200$CompL Device:R R?U 1 1 5E478127P 7100 4500F 0 "R?" H 7170 4546 50  0000 L CNNF 1 "62k" H 7170 4455 50  0000 L CNNF 2 "" V 7030 4500 50  0001 C CNNF 3 "~" H 7100 4500 50  0001 C CNN	1    7100 4500	1    0    0    -1  $EndCompWire Wire Line	7100 4350 7100 4150Connection ~ 7100 4150Wire Wire Line	7100 4650 7100 4700Wire Wire Line	7100 4700 8250 4700Wire Wire Line	8250 4700 8250 4800Wire Wire Line	8250 3500 8250 4700Connection ~ 8250 4700Connection ~ 5500 2700$CompL ESP8266:ESP-01v090 U?U 1 1 5E45B0FBP 6450 2550F 0 "U?" H 6450 3065 50  0000 C CNNF 1 "ESP-01v090" H 6450 2974 50  0000 C CNNF 2 "" H 6450 2550 50  0001 C CNNF 3 "http://l0l.org.uk/2014/12/esp8266-modules-hardware-guide-gotta-catch-em-all/" H 6450 2550 50  0001 C CNN	1    6450 2550	1    0    0    -1  $EndComp$CompL Device:R R?U 1 1 6054F7DDP 5150 3650F 0 "R?" H 5220 3696 50  0000 L CNNF 1 "180k" H 5220 3605 50  0000 L CNNF 2 "" V 5080 3650 50  0001 C CNNF 3 "~" H 5150 3650 50  0001 C CNN	1    5150 3650	1    0    0    -1  $EndCompWire Wire Line	5150 3500 5150 3200Connection ~ 5150 3200Wire Wire Line	5150 3800 5150 4700Wire Wire Line	5150 4700 7100 4700Connection ~ 7100 4700Wire Wire Line	4750 1650 4750 2700$CompL Diode:1N4001 D?U 1 1 60581C0FP 1550 5400F 0 "D?" H 1550 5184 50  0000 C CNNF 1 "1N4001" H 1550 5275 50  0000 C CNNF 2 "Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal" H 1550 5225 50  0001 C CNNF 3 "http://www.vishay.com/docs/88503/1n4001.pdf" H 1550 5400 50  0001 C CNN	1    1550 5400	-1   0    0    1   $EndComp$CompL power:VCC #PWR?U 1 1 60582FCCP 1900 5250F 0 "#PWR?" H 1900 5100 50  0001 C CNNF 1 "VCC" H 1917 5423 50  0000 C CNNF 2 "" H 1900 5250 50  0001 C CNNF 3 "" H 1900 5250 50  0001 C CNN	1    1900 5250	1    0    0    -1  $EndCompWire Wire Line	1700 5400 1900 5400Wire Wire Line	1900 5400 1900 5250Wire Wire Line	1400 5400 1100 5400Wire Wire Line	1100 5400 1100 5700Wire Wire Line	1100 6200 1100 6000Text Notes 1050 5000 0    50   ~ 0Supply Variant 2\nLiIon 18650 cell, 4.2V\nand diode to reduce voltageText Notes 1000 6850 0    50   ~ 0Due to diode characteristic, voltage with no load \n(ESP in power down/deep sleep) will be too high, \nwhich causes the ESP8266 to consume much more \nthan expected in deep sleep (~230 µA at 3.8 V). \n-> not the best solution$CompL Device:Battery BT?U 1 1 60592FAFP 1100 2100F 0 "BT?" H 1208 2146 50  0000 L CNNF 1 "2x Lithium AA cell" H 1208 2055 50  0000 L CNNF 2 "" V 1100 2160 50  0001 C CNNF 3 "~" V 1100 2160 50  0001 C CNN	1    1100 2100	1    0    0    -1  $EndComp$CompL power:GND #PWR?U 1 1 605940F1P 1100 2450F 0 "#PWR?" H 1100 2200 50  0001 C CNNF 1 "GND" H 1105 2277 50  0000 C CNNF 2 "" H 1100 2450 50  0001 C CNNF 3 "" H 1100 2450 50  0001 C CNN	1    1100 2450	1    0    0    -1  $EndCompWire Wire Line	1100 2450 1100 2300$CompL power:VCC #PWR?U 1 1 6059606DP 1100 1700F 0 "#PWR?" H 1100 1550 50  0001 C CNNF 1 "VCC" H 1117 1873 50  0000 C CNNF 2 "" H 1100 1700 50  0001 C CNNF 3 "" H 1100 1700 50  0001 C CNN	1    1100 1700	1    0    0    -1  $EndCompWire Wire Line	1100 1900 1100 1700Text Notes 1050 1400 0    50   ~ 0Supply Variant 1\n2x 1-way Lithium AA cells, 1.5 V in series Text Notes 1400 1750 0    50   ~ 0This variant proved to work well even at temperatures below 0°C. \nBattery lasted for more than a year (ESP active 1-2x per day). \nESP consumption in deep sleep/power down is <10 µA. Text Notes 4950 5400 0    50   ~ 0ESP is powered down until one of the contacts triggers CH_PD input. \n-> ESP wakes up and sets GPIO0 to high -> CH_PD stays high until software \nswitches off GPIO0 -> ESP is powered down immediately after it sent the MQTT message. $CompL Device:Battery BT?U 1 1 6057A22AP 1100 3750F 0 "BT?" H 1208 3796 50  0000 L CNNF 1 "2x Lithium AA cell" H 1208 3705 50  0000 L CNNF 2 "" V 1100 3810 50  0001 C CNNF 3 "~" V 1100 3810 50  0001 C CNN	1    1100 3750	1    0    0    -1  $EndComp$CompL power:GND #PWR?U 1 1 6057A230P 1100 4100F 0 "#PWR?" H 1100 3850 50  0001 C CNNF 1 "GND" H 1105 3927 50  0000 C CNNF 2 "" H 1100 4100 50  0001 C CNNF 3 "" H 1100 4100 50  0001 C CNN	1    1100 4100	1    0    0    -1  $EndCompWire Wire Line	1100 4100 1100 3950$CompL power:VCC #PWR?U 1 1 6057A237P 1100 3350F 0 "#PWR?" H 1100 3200 50  0001 C CNNF 1 "VCC" H 1117 3523 50  0000 C CNNF 2 "" H 1100 3350 50  0001 C CNNF 3 "" H 1100 3350 50  0001 C CNN	1    1100 3350	1    0    0    -1  $EndCompWire Wire Line	1100 3550 1100 3350Text Notes 1050 3050 0    50   ~ 0Supply Variant 1a\n1x 1-way Lithium CR-V3 cell, 3 VText Notes 1400 3250 0    50   ~ 0Same as 2x Lithium AA cell, 1.5 V, in series$EndSCHEMATC
 |