EESchema Schematic File Version 2 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:special LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves LIBS:esp_micro85-only-cache EELAYER 27 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "6 jul 2016" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L C M3 U 1 1 576C1959 P 1550 2550 F 0 "M3" H 1550 2650 40 0000 L CNN F 1 "5.6p" H 1556 2465 40 0000 L CNN F 2 "SM0603" H 1588 2400 30 0000 C CNN F 3 "~" H 1550 2550 60 0000 C CNN F 4 "1276-2318-1-ND" H 1550 2550 60 0001 C CNN "Digikey" F 5 ".08" H 1550 2550 60 0001 C CNN "Cost10" 1 1550 2550 0 -1 -1 0 $EndComp $Comp L XTAL4P X1 U 1 1 576C19C1 P 3000 1200 F 0 "X1" H 3000 1350 60 0000 C CNN F 1 "26MHz" H 3000 1050 60 0000 C CNN F 2 "XTAL4TINY" H 3000 1200 60 0000 C CNN F 3 "" H 3000 1200 60 0000 C CNN F 4 "490-9764-1-ND" H 3000 1200 60 0001 C CNN "Digikey" F 5 ".50" H 3000 1200 60 0001 C CNN "Cost10" 1 3000 1200 1 0 0 -1 $EndComp $Comp L GND #PWR2 U 1 1 576C1A63 P 3350 700 F 0 "#PWR2" H 3350 700 30 0001 C CNN F 1 "GND" H 3350 630 30 0001 C CNN F 2 "" H 3350 700 60 0000 C CNN F 3 "" H 3350 700 60 0000 C CNN 1 3350 700 -1 0 0 1 $EndComp $Comp L GND #PWR5 U 1 1 576C1A81 P 3000 1600 F 0 "#PWR5" H 3000 1600 30 0001 C CNN F 1 "GND" H 3000 1530 30 0001 C CNN F 2 "" H 3000 1600 60 0000 C CNN F 3 "" H 3000 1600 60 0000 C CNN 1 3000 1600 1 0 0 -1 $EndComp $Comp L R R1 U 1 1 576C1B09 P 2600 1800 F 0 "R1" V 2680 1800 40 0000 C CNN F 1 "12k" V 2607 1801 40 0000 C CNN F 2 "SM0603" V 2530 1800 30 0000 C CNN F 3 "~" H 2600 1800 30 0000 C CNN 1 2600 1800 0 -1 -1 0 $EndComp $Comp L GND #PWR6 U 1 1 576C1B16 P 2300 1850 F 0 "#PWR6" H 2300 1850 30 0001 C CNN F 1 "GND" H 2300 1780 30 0001 C CNN F 2 "" H 2300 1850 60 0000 C CNN F 3 "" H 2300 1850 60 0000 C CNN 1 2300 1850 1 0 0 -1 $EndComp $Comp L ESP8266EX U1 U 1 1 576C192F P 3100 2800 F 0 "U1" H 2200 3600 60 0000 C CNN F 1 "ESP8285" H 2250 3400 60 0000 C CNN F 2 "QFN32" H 2200 3500 60 0000 C CNN F 3 "~" H 2200 3500 60 0000 C CNN 1 3100 2800 1 0 0 -1 $EndComp $Comp L +3.3V #PWR9 U 1 1 576C1C32 P 2950 2000 F 0 "#PWR9" H 2950 1960 30 0001 C CNN F 1 "+3.3V" H 2950 2110 30 0000 C CNN F 2 "" H 2950 2000 60 0000 C CNN F 3 "" H 2950 2000 60 0000 C CNN 1 2950 2000 1 0 0 -1 $EndComp $Comp L +3.3V #PWR10 U 1 1 576C1C3F P 3050 2000 F 0 "#PWR10" H 3050 1960 30 0001 C CNN F 1 "+3.3V" H 3050 2110 30 0000 C CNN F 2 "" H 3050 2000 60 0000 C CNN F 3 "" H 3050 2000 60 0000 C CNN 1 3050 2000 1 0 0 -1 $EndComp $Comp L +3.3V #PWR8 U 1 1 576C1C45 P 2750 2000 F 0 "#PWR8" H 2750 1960 30 0001 C CNN F 1 "+3.3V" H 2750 2110 30 0000 C CNN F 2 "" H 2750 2000 60 0000 C CNN F 3 "" H 2750 2000 60 0000 C CNN 1 2750 2000 1 0 0 -1 $EndComp $Comp L +3.3V #PWR14 U 1 1 576C1C4B P 1950 2650 F 0 "#PWR14" H 1950 2610 30 0001 C CNN F 1 "+3.3V" H 1950 2760 30 0000 C CNN F 2 "" H 1950 2650 60 0000 C CNN F 3 "" H 1950 2650 60 0000 C CNN 1 1950 2650 0 -1 -1 0 $EndComp $Comp L +3.3V #PWR12 U 1 1 576C1C51 P 1950 2450 F 0 "#PWR12" H 1950 2410 30 0001 C CNN F 1 "+3.3V" H 1950 2560 30 0000 C CNN F 2 "" H 1950 2450 60 0000 C CNN F 3 "" H 1950 2450 60 0000 C CNN 1 1950 2450 0 -1 -1 0 $EndComp $Comp L +3.3V #PWR15 U 1 1 576C1C57 P 1950 2750 F 0 "#PWR15" H 1950 2710 30 0001 C CNN F 1 "+3.3V" H 1950 2860 30 0000 C CNN F 2 "" H 1950 2750 60 0000 C CNN F 3 "" H 1950 2750 60 0000 C CNN 1 1950 2750 0 -1 -1 0 $EndComp $Comp L GND #PWR7 U 1 1 576C1C63 P 2650 2000 F 0 "#PWR7" H 2650 2000 30 0001 C CNN F 1 "GND" H 2650 1930 30 0001 C CNN F 2 "" H 2650 2000 60 0000 C CNN F 3 "" H 2650 2000 60 0000 C CNN 1 2650 2000 -1 0 0 1 $EndComp $Comp L +3.3V #PWR17 U 1 1 576C1CFA P 4100 3150 F 0 "#PWR17" H 4100 3110 30 0001 C CNN F 1 "+3.3V" H 4100 3260 30 0000 C CNN F 2 "" H 4100 3150 60 0000 C CNN F 3 "" H 4100 3150 60 0000 C CNN 1 4100 3150 0 1 1 0 $EndComp $Comp L +3.3V #PWR18 U 1 1 576C1D00 P 2950 3600 F 0 "#PWR18" H 2950 3560 30 0001 C CNN F 1 "+3.3V" H 2950 3710 30 0000 C CNN F 2 "" H 2950 3600 60 0000 C CNN F 3 "" H 2950 3600 60 0000 C CNN 1 2950 3600 -1 0 0 1 $EndComp $Comp L +3.3V #PWR16 U 1 1 576C1D06 P 1950 3050 F 0 "#PWR16" H 1950 3010 30 0001 C CNN F 1 "+3.3V" H 1950 3160 30 0000 C CNN F 2 "" H 1950 3050 60 0000 C CNN F 3 "" H 1950 3050 60 0000 C CNN 1 1950 3050 0 -1 -1 0 $EndComp $Comp L CONN_1 P4 U 1 1 576C1D0E P 1150 2550 F 0 "P4" H 1230 2550 40 0000 L CNN F 1 "ANT" H 1150 2605 30 0001 C CNN F 2 ".1SMTPIN" H 1150 2550 60 0000 C CNN F 3 "" H 1150 2550 60 0000 C CNN 1 1150 2550 -1 0 0 1 $EndComp $Comp L GND #PWR13 U 1 1 576C1D6F P 4100 2450 F 0 "#PWR13" H 4100 2450 30 0001 C CNN F 1 "GND" H 4100 2380 30 0001 C CNN F 2 "" H 4100 2450 60 0000 C CNN F 3 "" H 4100 2450 60 0000 C CNN 1 4100 2450 0 -1 -1 0 $EndComp $Comp L MCP1824 U2 U 1 1 576C1E1A P 1950 4650 F 0 "U2" H 1700 4950 60 0000 C CNN F 1 "3.3" H 2050 4350 60 0000 C CNN F 2 "SOT23-5" H 1950 4650 60 0000 C CNN F 3 "" H 1950 4650 60 0000 C CNN 1 1950 4650 1 0 0 -1 $EndComp $Comp L +3.3V #PWR23 U 1 1 576C1E27 P 2550 4550 F 0 "#PWR23" H 2550 4510 30 0001 C CNN F 1 "+3.3V" H 2550 4660 30 0000 C CNN F 2 "" H 2550 4550 60 0000 C CNN F 3 "" H 2550 4550 60 0000 C CNN 1 2550 4550 0 1 1 0 $EndComp $Comp L GND #PWR24 U 1 1 576C1E2D P 1350 4650 F 0 "#PWR24" H 1350 4650 30 0001 C CNN F 1 "GND" H 1350 4580 30 0001 C CNN F 2 "" H 1350 4650 60 0000 C CNN F 3 "" H 1350 4650 60 0000 C CNN 1 1350 4650 0 1 1 0 $EndComp $Comp L +5V #PWR22 U 1 1 576C1E4F P 1250 4550 F 0 "#PWR22" H 1250 4640 20 0001 C CNN F 1 "+5V" H 1250 4640 30 0000 C CNN F 2 "" H 1250 4550 60 0000 C CNN F 3 "" H 1250 4550 60 0000 C CNN 1 1250 4550 1 0 0 -1 $EndComp $Comp L GND #PWR20 U 1 1 576C1F4E P 3150 3700 F 0 "#PWR20" H 3150 3700 30 0001 C CNN F 1 "GND" H 3150 3630 30 0001 C CNN F 2 "" H 3150 3700 60 0000 C CNN F 3 "" H 3150 3700 60 0000 C CNN 1 3150 3700 1 0 0 -1 $EndComp $Comp L GND #PWR27 U 1 1 576C2480 P 1350 5300 F 0 "#PWR27" H 1350 5300 30 0001 C CNN F 1 "GND" H 1350 5230 30 0001 C CNN F 2 "" H 1350 5300 60 0000 C CNN F 3 "" H 1350 5300 60 0000 C CNN 1 1350 5300 0 1 1 0 $EndComp $Comp L +3.3V #PWR21 U 1 1 576C24D2 P 2800 4100 F 0 "#PWR21" H 2800 4060 30 0001 C CNN F 1 "+3.3V" H 2800 4210 30 0000 C CNN F 2 "" H 2800 4100 60 0000 C CNN F 3 "" H 2800 4100 60 0000 C CNN 1 2800 4100 0 -1 -1 0 $EndComp $Comp L +2.5V #PWR26 U 1 1 576C24F3 P 2550 5200 F 0 "#PWR26" H 2550 5150 20 0001 C CNN F 1 "+2.5V" H 2550 5300 30 0000 C CNN F 2 "" H 2550 5200 60 0000 C CNN F 3 "" H 2550 5200 60 0000 C CNN 1 2550 5200 0 1 1 0 $EndComp $Comp L CONN_1 P2 U 1 1 576C2572 P 3350 1850 F 0 "P2" H 3430 1850 40 0000 L CNN F 1 "TX" H 3350 1905 30 0001 C CNN F 2 ".1SMTPIN" H 3350 1850 60 0000 C CNN F 3 "" H 3350 1850 60 0000 C CNN 1 3350 1850 0 -1 -1 0 $EndComp $Comp L CONN_1 P1 U 1 1 576C2578 P 3450 1400 F 0 "P1" H 3530 1400 40 0000 L CNN F 1 "RX" H 3450 1455 30 0001 C CNN F 2 ".1SMTPIN" H 3450 1400 60 0000 C CNN F 3 "" H 3450 1400 60 0000 C CNN 1 3450 1400 0 -1 -1 0 $EndComp $Comp L CONN_1 P3 U 1 1 576C257E P 3550 1850 F 0 "P3" H 3630 1850 40 0000 L CNN F 1 "GND" H 3550 1905 30 0001 C CNN F 2 ".1SMTPIN" H 3550 1850 60 0000 C CNN F 3 "" H 3550 1850 60 0000 C CNN 1 3550 1850 0 -1 -1 0 $EndComp $Comp L GND #PWR11 U 1 1 576C2584 P 3550 2000 F 0 "#PWR11" H 3550 2000 30 0001 C CNN F 1 "GND" H 3550 1930 30 0001 C CNN F 2 "" H 3550 2000 60 0000 C CNN F 3 "" H 3550 2000 60 0000 C CNN 1 3550 2000 1 0 0 -1 $EndComp $Comp L C M1 U 1 1 576C2FB6 P 2650 900 F 0 "M1" H 2650 1000 40 0000 L CNN F 1 "5.6p" H 2656 815 40 0000 L CNN F 2 "SM0402" H 2688 750 30 0000 C CNN F 3 "~" H 2650 900 60 0000 C CNN F 4 "1276-2318-1-ND" H 2650 900 60 0001 C CNN "Digikey" F 5 ".08" H 2650 900 60 0001 C CNN "Cost10" 1 2650 900 -1 0 0 1 $EndComp $Comp L C M2 U 1 1 576C2CF8 P 3350 900 F 0 "M2" H 3350 1000 40 0000 L CNN F 1 "5.6p" H 3356 815 40 0000 L CNN F 2 "SM0402" H 3388 750 30 0000 C CNN F 3 "~" H 3350 900 60 0000 C CNN F 4 "1276-2318-1-ND" H 3350 900 60 0001 C CNN "Digikey" F 5 ".08" H 3350 900 60 0001 C CNN "Cost10" 1 3350 900 -1 0 0 1 $EndComp $Comp L GND #PWR1 U 1 1 576C2DCA P 2650 700 F 0 "#PWR1" H 2650 700 30 0001 C CNN F 1 "GND" H 2650 630 30 0001 C CNN F 2 "" H 2650 700 60 0000 C CNN F 3 "" H 2650 700 60 0000 C CNN 1 2650 700 -1 0 0 1 $EndComp $Comp L C C1 U 1 1 576C2DFD P 1200 1400 F 0 "C1" H 1200 1500 40 0000 L CNN F 1 ".1u" H 1206 1315 40 0000 L CNN F 2 "SM0402" H 1238 1250 30 0000 C CNN F 3 "~" H 1200 1400 60 0000 C CNN F 4 "1276-1022-1-ND" H 1200 1400 60 0001 C CNN "Digikey" F 5 "0.0048" H 1200 1400 60 0001 C CNN "Cost100" 1 1200 1400 -1 0 0 1 $EndComp $Comp L +3.3V #PWR3 U 1 1 576C2E03 P 1200 1200 F 0 "#PWR3" H 1200 1160 30 0001 C CNN F 1 "+3.3V" H 1200 1310 30 0000 C CNN F 2 "" H 1200 1200 60 0000 C CNN F 3 "" H 1200 1200 60 0000 C CNN 1 1200 1200 1 0 0 -1 $EndComp $Comp L GND #PWR4 U 1 1 576C2E09 P 1200 1600 F 0 "#PWR4" H 1200 1600 30 0001 C CNN F 1 "GND" H 1200 1530 30 0001 C CNN F 2 "" H 1200 1600 60 0000 C CNN F 3 "" H 1200 1600 60 0000 C CNN 1 1200 1600 1 0 0 -1 $EndComp $Comp L CONN_1 P5 U 1 1 576C2F50 P 1600 2950 F 0 "P5" H 1680 2950 40 0000 L CNN F 1 "A" H 1600 3005 30 0001 C CNN F 2 ".1SMTPIN" H 1600 2950 60 0000 C CNN F 3 "" H 1600 2950 60 0000 C CNN 1 1600 2950 -1 0 0 1 $EndComp $Comp L R R2 U 1 1 576C24A9 P 3050 4100 F 0 "R2" V 3130 4100 40 0000 C CNN F 1 "12k" V 3057 4101 40 0000 C CNN F 2 "SM0603" V 2980 4100 30 0000 C CNN F 3 "~" H 3050 4100 30 0000 C CNN 1 3050 4100 0 -1 -1 0 $EndComp $Comp L +3.3V #PWR29 U 1 1 576C36D0 P 2600 5750 F 0 "#PWR29" H 2600 5710 30 0001 C CNN F 1 "+3.3V" H 2600 5860 30 0000 C CNN F 2 "" H 2600 5750 60 0000 C CNN F 3 "" H 2600 5750 60 0000 C CNN 1 2600 5750 1 0 0 -1 $EndComp $Comp L GND #PWR31 U 1 1 576C36DE P 2600 6150 F 0 "#PWR31" H 2600 6150 30 0001 C CNN F 1 "GND" H 2600 6080 30 0001 C CNN F 2 "" H 2600 6150 60 0000 C CNN F 3 "" H 2600 6150 60 0000 C CNN 1 2600 6150 1 0 0 -1 $EndComp $Comp L C E2 U 1 1 576C3722 P 2600 5950 F 0 "E2" H 2600 6050 40 0000 L CNN F 1 "10u" H 2606 5865 40 0000 L CNN F 2 "SM0603" H 2638 5800 30 0000 C CNN F 3 "~" H 2600 5950 60 0000 C CNN F 4 "490-6405-1-ND" H 2600 5950 60 0001 C CNN "Digikey" F 5 ".0499" H 2600 5950 60 0001 C CNN "Cost10" 1 2600 5950 -1 0 0 1 $EndComp $Comp L C E1 U 1 1 576C372A P 2350 5950 F 0 "E1" H 2350 6050 40 0000 L CNN F 1 "10u" H 2356 5865 40 0000 L CNN F 2 "SM0603" H 2388 5800 30 0000 C CNN F 3 "~" H 2350 5950 60 0000 C CNN F 4 "490-6405-1-ND" H 2350 5950 60 0001 C CNN "Digikey" F 5 ".0499" H 2350 5950 60 0001 C CNN "Cost10" 1 2350 5950 -1 0 0 1 $EndComp $Comp L +5V #PWR28 U 1 1 576C3730 P 2350 5750 F 0 "#PWR28" H 2350 5840 20 0001 C CNN F 1 "+5V" H 2350 5840 30 0000 C CNN F 2 "" H 2350 5750 60 0000 C CNN F 3 "" H 2350 5750 60 0000 C CNN 1 2350 5750 1 0 0 -1 $EndComp $Comp L GND #PWR30 U 1 1 576C3736 P 2350 6150 F 0 "#PWR30" H 2350 6150 30 0001 C CNN F 1 "GND" H 2350 6080 30 0001 C CNN F 2 "" H 2350 6150 60 0000 C CNN F 3 "" H 2350 6150 60 0000 C CNN 1 2350 6150 1 0 0 -1 $EndComp $Comp L CONN_1 P7 U 1 1 576C373C P 1000 5000 F 0 "P7" H 1080 5000 40 0000 L CNN F 1 "5" H 1000 5055 30 0001 C CNN F 2 ".1SMTPIN" H 1000 5000 60 0000 C CNN F 3 "" H 1000 5000 60 0000 C CNN 1 1000 5000 -1 0 0 1 $EndComp $Comp L GND #PWR25 U 1 1 576C3776 P 1150 4900 F 0 "#PWR25" H 1150 4900 30 0001 C CNN F 1 "GND" H 1150 4830 30 0001 C CNN F 2 "" H 1150 4900 60 0000 C CNN F 3 "" H 1150 4900 60 0000 C CNN 1 1150 4900 0 -1 -1 0 $EndComp $Comp L CONN_1 P6 U 1 1 576C377C P 1000 4900 F 0 "P6" H 1080 4900 40 0000 L CNN F 1 "0" H 1000 4955 30 0001 C CNN F 2 ".1SMTPIN" H 1000 4900 60 0000 C CNN F 3 "" H 1000 4900 60 0000 C CNN 1 1000 4900 -1 0 0 1 $EndComp Text GLabel 3450 3600 3 60 Input ~ 0 SCL Text GLabel 3250 3600 3 60 Input ~ 0 SDA $Comp L GND #PWR19 U 1 1 5772D106 P 3050 3700 F 0 "#PWR19" H 3050 3700 30 0001 C CNN F 1 "GND" H 3050 3630 30 0001 C CNN F 2 "" H 3050 3700 60 0000 C CNN F 3 "" H 3050 3700 60 0000 C CNN 1 3050 3700 1 0 0 -1 $EndComp $Comp L CONN_1 P8 U 1 1 5772D3E9 P 3550 4100 F 0 "P8" H 3630 4100 40 0000 L CNN F 1 "PGM" H 3550 4155 30 0001 C CNN F 2 ".1SMTPIN" H 3550 4100 60 0000 C CNN F 3 "" H 3550 4100 60 0000 C CNN 1 3550 4100 1 0 0 -1 $EndComp $Comp L CONN_1 P9 U 1 1 5772DB40 P 1750 3600 F 0 "P9" H 1830 3600 40 0000 L CNN F 1 "E" H 1750 3655 30 0001 C CNN F 2 ".1SMTPIN" H 1750 3600 60 0000 C CNN F 3 "" H 1750 3600 60 0000 C CNN 1 1750 3600 -1 0 0 1 $EndComp Wire Wire Line 1750 2550 1950 2550 Wire Wire Line 2950 1500 2950 1550 Wire Wire Line 2950 1550 3050 1550 Wire Wire Line 3050 1550 3050 1500 Wire Wire Line 3000 1550 3000 1600 Connection ~ 3000 1550 Wire Wire Line 2650 1100 2650 1700 Wire Wire Line 2650 1700 3150 1700 Wire Wire Line 3150 1700 3150 2000 Wire Wire Line 3250 2000 3250 1700 Wire Wire Line 3250 1700 3350 1700 Wire Wire Line 3350 1700 3350 1100 Wire Wire Line 2300 1850 2300 1800 Wire Wire Line 2300 1800 2350 1800 Wire Wire Line 2850 1800 2850 2000 Wire Wire Line 1300 2550 1350 2550 Wire Wire Line 1350 4550 1250 4550 Wire Wire Line 1250 4550 1250 5400 Wire Wire Line 1250 4750 1350 4750 Wire Wire Line 3150 3700 3150 3600 Wire Wire Line 3300 4100 3400 4100 Wire Wire Line 3350 4100 3350 3600 Wire Wire Line 1250 5200 1350 5200 Connection ~ 1250 4750 Wire Wire Line 1250 5400 1350 5400 Connection ~ 1250 5200 Connection ~ 3350 4100 Wire Wire Line 3450 1550 3450 2000 Connection ~ 3450 1600 Wire Wire Line 3350 1200 3300 1200 Connection ~ 3350 1200 Wire Wire Line 2650 1200 2700 1200 Connection ~ 2650 1200 Wire Wire Line 1750 2950 1950 2950 Wire Wire Line 1150 5000 1250 5000 Connection ~ 1250 5000 Wire Wire Line 3050 3700 3050 3600 Wire Wire Line 2750 3600 1900 3600 $EndSCHEMATC