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 "" 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 "" 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 "" 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 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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 R1 U 1 1 6057341C P 600 1550 F 0 "R1" H 670 1596 50 0000 L CNN F 1 "10k" H 670 1505 50 0000 L CNN F 2 "" V 530 1550 50 0001 C CNN F 3 "~" H 600 1550 50 0001 C CNN 1 600 1550 1 0 0 -1 $EndComp $Comp L Device:R R2 U 1 1 60573CB2 P 1050 1700 F 0 "R2" V 843 1700 50 0000 C CNN F 1 "3k3" V 934 1700 50 0000 C CNN F 2 "" 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 ~ 1550 2600 NoConn ~ 1550 2700 Text GLabel 3050 2950 2 50 Input ~ 0 digital_8 Text GLabel 3050 3050 2 50 Input ~ 0 digital_9 Text GLabel 3050 3150 2 50 Input ~ 0 digital_10 Wire Wire Line 2800 2950 3050 2950 Wire Wire Line 2800 3050 3050 3050 Wire Wire Line 2800 3150 3050 3150 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 $Comp L Connector:Conn_01x15_Male J2 U 1 1 605A5280 P 5000 5700 F 0 "J2" H 5108 6581 50 0000 C CNN F 1 "Conn_01x15_Male" H 5108 6490 50 0000 C CNN F 2 "" H 5000 5700 50 0001 C CNN F 3 "~" H 5000 5700 50 0001 C CNN 1 5000 5700 1 0 0 -1 $EndComp Text GLabel 5450 5000 2 50 Input ~ 0 digital_8 Text GLabel 5450 5100 2 50 Input ~ 0 digital_9 Text GLabel 5450 5200 2 50 Input ~ 0 digital_10 Text GLabel 5450 5300 2 50 Input ~ 0 MOSI Text GLabel 5450 5400 2 50 Input ~ 0 MISO Text GLabel 5450 5500 2 50 Input ~ 0 SCK Text GLabel 5450 5600 2 50 Input ~ 0 analog_1 Text GLabel 5450 5700 2 50 Input ~ 0 analog_4 Text GLabel 5450 5800 2 50 Input ~ 0 analog_5 Text GLabel 5450 5900 2 50 Input ~ 0 digital_0 Text GLabel 5450 6000 2 50 Input ~ 0 digital_1 Text GLabel 5450 6100 2 50 Input ~ 0 digital_2 Text GLabel 5450 6200 2 50 Input ~ 0 digital_3 Text GLabel 5450 6300 2 50 Input ~ 0 digital_4 Text GLabel 5450 6400 2 50 Input ~ 0 digital_7 Wire Wire Line 5200 5000 5450 5000 Wire Wire Line 5450 5100 5200 5100 Wire Wire Line 5200 5200 5450 5200 Wire Wire Line 5450 5300 5200 5300 Wire Wire Line 5200 5400 5450 5400 Wire Wire Line 5450 5500 5200 5500 Wire Wire Line 5200 5600 5450 5600 Wire Wire Line 5450 5700 5200 5700 Wire Wire Line 5200 5800 5450 5800 Wire Wire Line 5450 5900 5200 5900 Wire Wire Line 5200 6000 5450 6000 Wire Wire Line 5450 6100 5200 6100 Wire Wire Line 5200 6200 5450 6200 Wire Wire Line 5450 6300 5200 6300 Wire Wire Line 5200 6400 5450 6400 Wire Wire Line 2800 4050 7500 4050 Wire Wire Line 7500 1750 7500 4050 Wire Wire Line 2800 4150 7600 4150 Wire Wire Line 7600 1650 7600 4150 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 Connection ~ 6350 2000 Wire Wire Line 6350 2000 6350 2150 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 $EndSCHEMATC