EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "Dracoino" Date "" Rev "0.1" Comp "racs-net.de" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L MCU_Microchip_ATmega:ATmega328P-AU U1 U 1 1 60507DF6 P 2200 4150 F 0 "U1" H 2200 2561 50 0000 C CNN F 1 "ATmega328P-AU" H 2200 2470 50 0000 C CNN F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 2200 4150 50 0001 C CIN F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega328_P%20AVR%20MCU%20with%20picoPower%20Technology%20Data%20Sheet%2040001984A.pdf" H 2200 4150 50 0001 C CNN 1 2200 4150 1 0 0 -1 $EndComp $Comp L RF_Module:RFM95W-868S2 U2 U 1 1 6050AED1 P 6250 1350 F 0 "U2" H 6250 2031 50 0000 C CNN F 1 "RFM95W-868S2" H 6250 1940 50 0000 C CNN F 2 "RF_Module:HOPERF_RFM9XW_SMD" H 2950 3000 50 0001 C CNN F 3 "https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf" H 2950 3000 50 0001 C CNN 1 6250 1350 1 0 0 -1 $EndComp $Comp L Regulator_Linear:MCP1700-3302E_SOT23 U3 U 1 1 6050B817 P 1600 1100 F 0 "U3" H 1600 1342 50 0000 C CNN F 1 "MCP1700-3302E_SOT23" H 1600 1251 50 0000 C CNN F 2 "Package_TO_SOT_SMD:SOT-23" H 1600 1325 50 0001 C CNN F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001826D.pdf" H 1600 1100 50 0001 C CNN 1 1600 1100 1 0 0 -1 $EndComp $Comp L power:VCC #PWR05 U 1 1 6050CF46 P 2150 850 F 0 "#PWR05" H 2150 700 50 0001 C CNN F 1 "VCC" H 2167 1023 50 0000 C CNN F 2 "" H 2150 850 50 0001 C CNN F 3 "" H 2150 850 50 0001 C CNN 1 2150 850 1 0 0 -1 $EndComp $Comp L power:GND #PWR03 U 1 1 6050D7CF P 1600 1700 F 0 "#PWR03" H 1600 1450 50 0001 C CNN F 1 "GND" H 1605 1527 50 0000 C CNN F 2 "" H 1600 1700 50 0001 C CNN F 3 "" H 1600 1700 50 0001 C CNN 1 1600 1700 -1 0 0 -1 $EndComp $Comp L Device:CP C1 U 1 1 6050E652 P 1050 1250 F 0 "C1" H 1168 1296 50 0000 L CNN F 1 "1yF" H 1168 1205 50 0000 L CNN F 2 "Capacitor_SMD:CP_Elec_5x5.3" H 1088 1100 50 0001 C CNN F 3 "~" H 1050 1250 50 0001 C CNN 1 1050 1250 1 0 0 -1 $EndComp $Comp L Device:CP C2 U 1 1 6050ED13 P 2150 1250 F 0 "C2" H 2268 1296 50 0000 L CNN F 1 "1yF" H 2268 1205 50 0000 L CNN F 2 "Capacitor_SMD:CP_Elec_5x5.3" H 2188 1100 50 0001 C CNN F 3 "~" H 2150 1250 50 0001 C CNN 1 2150 1250 1 0 0 -1 $EndComp Wire Wire Line 1900 1100 2150 1100 Wire Wire Line 1300 1100 1050 1100 Wire Wire Line 2150 1100 2150 850 Connection ~ 2150 1100 $Comp L power:+BATT #PWR01 U 1 1 60512825 P 1050 850 F 0 "#PWR01" H 1050 700 50 0001 C CNN F 1 "+BATT" H 1065 1023 50 0000 C CNN F 2 "" H 1050 850 50 0001 C CNN F 3 "" H 1050 850 50 0001 C CNN 1 1050 850 1 0 0 -1 $EndComp Wire Wire Line 1050 1100 1050 850 Connection ~ 1050 1100 Wire Wire Line 2200 5650 1700 5650 $Comp L power:VCC #PWR06 U 1 1 60528D23 P 2200 2400 F 0 "#PWR06" H 2200 2250 50 0001 C CNN F 1 "VCC" H 2217 2573 50 0000 C CNN F 2 "" H 2200 2400 50 0001 C CNN F 3 "" H 2200 2400 50 0001 C CNN 1 2200 2400 1 0 0 -1 $EndComp Wire Wire Line 2200 2400 2200 2650 Text GLabel 5500 1050 0 50 Input ~ 0 SCK Text GLabel 5500 1150 0 50 Input ~ 0 MOSI Text GLabel 5500 1250 0 50 Input ~ 0 MISO Text GLabel 5500 1350 0 50 Input ~ 0 RFM95_NSS Wire Wire Line 5500 1050 5750 1050 Wire Wire Line 5500 1150 5750 1150 Wire Wire Line 5500 1250 5750 1250 Wire Wire Line 5500 1350 5750 1350 Text GLabel 3050 3450 2 50 Input ~ 0 SCK Wire Wire Line 2800 3450 3050 3450 Text GLabel 3050 3250 2 50 Input ~ 0 MOSI Text GLabel 3050 3350 2 50 Input ~ 0 MISO Wire Wire Line 3050 3250 2800 3250 Wire Wire Line 2800 3350 3050 3350 $Comp L power:VCC #PWR07 U 1 1 60535E4C P 6750 850 F 0 "#PWR07" H 6750 700 50 0001 C CNN F 1 "VCC" H 6767 1023 50 0000 C CNN F 2 "" H 6750 850 50 0001 C CNN F 3 "" H 6750 850 50 0001 C CNN 1 6750 850 1 0 0 -1 $EndComp Wire Wire Line 6250 850 6750 850 $Comp L power:GND #PWR08 U 1 1 6053A267 P 6350 2150 F 0 "#PWR08" H 6350 1900 50 0001 C CNN F 1 "GND" H 6355 1977 50 0000 C CNN F 2 "" H 6350 2150 50 0001 C CNN F 3 "" H 6350 2150 50 0001 C CNN 1 6350 2150 1 0 0 -1 $EndComp Text GLabel 3050 5250 2 50 Input ~ 0 RFM95_NSS Wire Wire Line 2800 5250 3050 5250 Text GLabel 5500 1550 0 50 Input ~ 0 RFM95_RST Text GLabel 3050 5150 2 50 Input ~ 0 RFM95_RST Wire Wire Line 5500 1550 5750 1550 Wire Wire Line 2800 5150 3050 5150 Wire Wire Line 6750 1750 7500 1750 Wire Wire Line 6750 1650 7600 1650 NoConn ~ 6750 1550 NoConn ~ 6750 1450 NoConn ~ 6750 1350 NoConn ~ 6750 1250 NoConn ~ 2300 2650 $Comp L Connector_Generic:Conn_02x03_Top_Bottom J1 U 1 1 60561A74 P 2100 6350 F 0 "J1" H 2150 6667 50 0000 C CNN F 1 "Conn_02x03_Top_Bottom" H 2150 6576 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Horizontal" H 2100 6350 50 0001 C CNN F 3 "~" H 2100 6350 50 0001 C CNN 1 2100 6350 1 0 0 -1 $EndComp $Comp L power:GND #PWR02 U 1 1 605653D3 P 1350 6250 F 0 "#PWR02" H 1350 6000 50 0001 C CNN F 1 "GND" V 1355 6122 50 0000 R CNN F 2 "" H 1350 6250 50 0001 C CNN F 3 "" H 1350 6250 50 0001 C CNN 1 1350 6250 0 1 1 0 $EndComp Text GLabel 1650 6350 0 50 Input ~ 0 MOSI Wire Wire Line 1900 6350 1650 6350 NoConn ~ 1900 6450 Text GLabel 2650 6250 2 50 Input ~ 0 AVR_RST Text GLabel 2650 6350 2 50 Input ~ 0 SCK Text GLabel 2650 6450 2 50 Input ~ 0 MISO Wire Wire Line 2400 6250 2650 6250 Wire Wire Line 2650 6350 2400 6350 Wire Wire Line 2400 6450 2650 6450 $Comp L Device:R R2 U 1 1 60573CB2 P 1050 1700 F 0 "R2" V 843 1700 50 0000 C CNN F 1 "2M" V 934 1700 50 0000 C CNN F 2 "Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder" V 980 1700 50 0001 C CNN F 3 "~" H 1050 1700 50 0001 C CNN 1 1050 1700 0 1 1 0 $EndComp Wire Wire Line 600 1400 600 1100 Wire Wire Line 600 1100 1050 1100 Wire Wire Line 600 1700 900 1700 Wire Wire Line 1200 1700 1600 1700 Wire Wire Line 600 1700 600 2000 Connection ~ 600 1700 Text GLabel 3050 4450 2 50 Input ~ 0 AVR_RST Wire Wire Line 2800 4450 3050 4450 NoConn ~ 2800 3550 NoConn ~ 2800 3650 Text GLabel 3050 3950 2 50 Input ~ 0 analog_1 Text GLabel 3050 4250 2 50 Input ~ 0 analog_4 Text GLabel 3050 4350 2 50 Input ~ 0 analog_5 Wire Wire Line 2800 4250 3050 4250 Wire Wire Line 2800 4350 3050 4350 Text GLabel 3050 4650 2 50 Input ~ 0 digital_0 Text GLabel 3050 4750 2 50 Input ~ 0 digital_1 Text GLabel 3050 4850 2 50 Input ~ 0 digital_2 Text GLabel 3050 4950 2 50 Input ~ 0 digital_3 Text GLabel 3050 5050 2 50 Input ~ 0 digital_4 Wire Wire Line 2800 4650 3050 4650 Wire Wire Line 2800 4750 3050 4750 Wire Wire Line 2800 4850 3050 4850 Wire Wire Line 2800 4950 3050 4950 Wire Wire Line 2800 5050 3050 5050 Text GLabel 3050 5350 2 50 Input ~ 0 digital_7 Wire Wire Line 2800 5350 3050 5350 Wire Wire Line 2800 3950 3050 3950 Wire Wire Line 600 2000 4000 2000 Wire Wire Line 4000 2000 4000 3850 Wire Wire Line 4000 3850 2800 3850 $Comp L power:GND #PWR0101 U 1 1 60642126 P 1700 5650 F 0 "#PWR0101" H 1700 5400 50 0001 C CNN F 1 "GND" H 1705 5477 50 0000 C CNN F 2 "" H 1700 5650 50 0001 C CNN F 3 "" H 1700 5650 50 0001 C CNN 1 1700 5650 -1 0 0 -1 $EndComp Wire Wire Line 1600 1400 1600 1450 Connection ~ 1600 1700 Wire Wire Line 1050 1400 1050 1450 Wire Wire Line 1050 1450 1600 1450 Connection ~ 1600 1450 Wire Wire Line 1600 1450 1600 1700 Wire Wire Line 2150 1400 2150 1450 Wire Wire Line 2150 1450 1600 1450 Wire Wire Line 6350 1950 6350 2000 Wire Wire Line 6250 1950 6250 2000 Wire Wire Line 6250 2000 6350 2000 Wire Wire Line 6150 1950 6150 2000 Wire Wire Line 6150 2000 6250 2000 Connection ~ 6250 2000 NoConn ~ 1600 2950 NoConn ~ 1600 3150 NoConn ~ 1600 3250 Wire Wire Line 1350 6250 1900 6250 Wire Wire Line 7500 1750 7500 2950 Wire Wire Line 2800 2950 7500 2950 Wire Wire Line 7600 1650 7600 3050 Wire Wire Line 2800 3050 7600 3050 $Comp L Device:R R3 U 1 1 6067D559 P 3350 3150 F 0 "R3" V 3143 3150 50 0000 C CNN F 1 "65R" V 3234 3150 50 0000 C CNN F 2 "Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder" V 3280 3150 50 0001 C CNN F 3 "~" H 3350 3150 50 0001 C CNN 1 3350 3150 0 1 1 0 $EndComp $Comp L Device:LED LED_BUILTIN1 U 1 1 6067F313 P 3750 3150 F 0 "LED_BUILTIN1" H 3743 2895 50 0000 C CNN F 1 "LED" H 3743 2986 50 0000 C CNN F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3750 3150 50 0001 C CNN F 3 "~" H 3750 3150 50 0001 C CNN 1 3750 3150 -1 0 0 1 $EndComp $Comp L power:GND #PWR0102 U 1 1 6067FFBD P 3900 3500 F 0 "#PWR0102" H 3900 3250 50 0001 C CNN F 1 "GND" H 3905 3327 50 0000 C CNN F 2 "" H 3900 3500 50 0001 C CNN F 3 "" H 3900 3500 50 0001 C CNN 1 3900 3500 1 0 0 -1 $EndComp Wire Wire Line 2800 3150 3200 3150 Wire Wire Line 3500 3150 3600 3150 Wire Wire Line 3900 3150 3900 3500 Text GLabel 3050 4050 2 50 Input ~ 0 analog_2 Text GLabel 3050 4150 2 50 Input ~ 0 analog_3 Wire Wire Line 2800 4050 3050 4050 Wire Wire Line 2800 4150 3050 4150 $Comp L Connector:Conn_01x13_Male J2 U 1 1 60691D44 P 4900 4550 F 0 "J2" H 5008 5231 50 0000 C CNN F 1 "Conn_01x13_Male" H 5008 5140 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x13_P2.54mm_Horizontal" H 4900 4550 50 0001 C CNN F 3 "~" H 4900 4550 50 0001 C CNN 1 4900 4550 1 0 0 -1 $EndComp Text GLabel 5250 3950 2 50 Input ~ 0 analog_1 Text GLabel 5250 4050 2 50 Input ~ 0 analog_2 Text GLabel 5250 4150 2 50 Input ~ 0 analog_3 Text GLabel 5250 4250 2 50 Input ~ 0 analog_4 Text GLabel 5250 4350 2 50 Input ~ 0 analog_5 Text GLabel 5250 4450 2 50 Input ~ 0 digital_0 Text GLabel 5250 4550 2 50 Input ~ 0 digital_1 Text GLabel 5250 4650 2 50 Input ~ 0 digital_2 Text GLabel 5250 4750 2 50 Input ~ 0 digital_3 Text GLabel 5250 4850 2 50 Input ~ 0 digital_4 Text GLabel 5250 4950 2 50 Input ~ 0 digital_7 $Comp L power:GND #PWR0103 U 1 1 6069B69A P 5750 5150 F 0 "#PWR0103" H 5750 4900 50 0001 C CNN F 1 "GND" H 5755 4977 50 0000 C CNN F 2 "" H 5750 5150 50 0001 C CNN F 3 "" H 5750 5150 50 0001 C CNN 1 5750 5150 1 0 0 -1 $EndComp $Comp L Connector:Conn_01x06_Male J3 U 1 1 606B6810 P 6100 4150 F 0 "J3" H 6208 4531 50 0000 C CNN F 1 "Conn_01x06_Male" H 6208 4440 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal" H 6100 4150 50 0001 C CNN F 3 "~" H 6100 4150 50 0001 C CNN 1 6100 4150 1 0 0 -1 $EndComp Text GLabel 6450 4050 2 50 Input ~ 0 MISO Text GLabel 6450 3950 2 50 Input ~ 0 MOSI Text GLabel 6450 4150 2 50 Input ~ 0 SCK $Comp L power:VCC #PWR0104 U 1 1 606C583C P 6800 4250 F 0 "#PWR0104" H 6800 4100 50 0001 C CNN F 1 "VCC" H 6817 4423 50 0000 C CNN F 2 "" H 6800 4250 50 0001 C CNN F 3 "" H 6800 4250 50 0001 C CNN 1 6800 4250 1 0 0 -1 $EndComp $Comp L power:+BATT #PWR0105 U 1 1 606C7C7F P 6950 4350 F 0 "#PWR0105" H 6950 4200 50 0001 C CNN F 1 "+BATT" H 6965 4523 50 0000 C CNN F 2 "" H 6950 4350 50 0001 C CNN F 3 "" H 6950 4350 50 0001 C CNN 1 6950 4350 1 0 0 -1 $EndComp $Comp L power:GND #PWR0106 U 1 1 606C9A55 P 6800 4450 F 0 "#PWR0106" H 6800 4200 50 0001 C CNN F 1 "GND" H 6805 4277 50 0000 C CNN F 2 "" H 6800 4450 50 0001 C CNN F 3 "" H 6800 4450 50 0001 C CNN 1 6800 4450 1 0 0 -1 $EndComp Wire Wire Line 6300 4250 6800 4250 Wire Wire Line 6300 4350 6950 4350 Wire Wire Line 6300 4450 6800 4450 Wire Wire Line 6300 3950 6450 3950 Wire Wire Line 6300 4050 6450 4050 Wire Wire Line 6300 4150 6450 4150 Wire Wire Line 6350 2150 6350 2000 Connection ~ 6350 2000 $Comp L Connector:Conn_01x02_Male J4 U 1 1 606FDDB2 P 2700 900 F 0 "J4" H 2808 1081 50 0000 C CNN F 1 "Conn_01x02_Male" H 2808 990 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Horizontal" H 2700 900 50 0001 C CNN F 3 "~" H 2700 900 50 0001 C CNN 1 2700 900 1 0 0 -1 $EndComp $Comp L power:+BATT #PWR0107 U 1 1 606FFFB6 P 3250 900 F 0 "#PWR0107" H 3250 750 50 0001 C CNN F 1 "+BATT" H 3265 1073 50 0000 C CNN F 2 "" H 3250 900 50 0001 C CNN F 3 "" H 3250 900 50 0001 C CNN 1 3250 900 1 0 0 -1 $EndComp $Comp L power:GND #PWR0108 U 1 1 60700975 P 3250 1000 F 0 "#PWR0108" H 3250 750 50 0001 C CNN F 1 "GND" H 3255 827 50 0000 C CNN F 2 "" H 3250 1000 50 0001 C CNN F 3 "" H 3250 1000 50 0001 C CNN 1 3250 1000 -1 0 0 -1 $EndComp Wire Wire Line 2900 900 3250 900 Wire Wire Line 2900 1000 3250 1000 $Comp L power:VCC #PWR0109 U 1 1 60A9BA83 P 5750 5050 F 0 "#PWR0109" H 5750 4900 50 0001 C CNN F 1 "VCC" H 5767 5223 50 0000 C CNN F 2 "" H 5750 5050 50 0001 C CNN F 3 "" H 5750 5050 50 0001 C CNN 1 5750 5050 1 0 0 -1 $EndComp Wire Wire Line 5100 3950 5250 3950 Wire Wire Line 5100 4050 5250 4050 Wire Wire Line 5100 4150 5250 4150 Wire Wire Line 5100 4250 5250 4250 Wire Wire Line 5100 4350 5250 4350 Wire Wire Line 5100 4450 5250 4450 Wire Wire Line 5100 4550 5250 4550 Wire Wire Line 5100 4650 5250 4650 Wire Wire Line 5250 4850 5100 4850 Wire Wire Line 5100 4750 5250 4750 Wire Wire Line 5100 4950 5250 4950 Wire Wire Line 5100 5050 5750 5050 Wire Wire Line 5100 5150 5750 5150 NoConn ~ 6750 1050 $Comp L Device:R R1 U 1 1 6057341C P 600 1550 F 0 "R1" H 670 1596 50 0000 L CNN F 1 "1M" H 670 1505 50 0000 L CNN F 2 "Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder" V 530 1550 50 0001 C CNN F 3 "~" H 600 1550 50 0001 C CNN 1 600 1550 1 0 0 -1 $EndComp $EndSCHEMATC