EESchema Schematic File Version 4 LIBS:sonar-cache EELAYER 26 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L HC-SR04:HC-SR04 U1 U 1 1 5C9E0B11 P 3850 3550 F 0 "U1" H 4280 3546 50 0000 L CNN F 1 "HC-SR04" H 4280 3455 50 0000 L CNN F 2 "HC-SR04:XCVR_HC-SR04" H 3850 3550 50 0001 L BNN F 3 "Ultrasonic Sensor Module" H 3850 3550 50 0001 L BNN F 4 "Adafruit Industries" H 3850 3550 50 0001 L BNN "Field4" F 5 "Unavailable" H 3850 3550 50 0001 L BNN "Field5" F 6 "None" H 3850 3550 50 0001 L BNN "Field6" F 7 "HC-SR04" H 3850 3550 50 0001 L BNN "Field7" F 8 "None" H 3850 3550 50 0001 L BNN "Field8" 1 3850 3550 1 0 0 -1 $EndComp $Comp L fab:ATTINY44-SSU IC1 U 1 1 5C9E0C07 P 5250 4150 F 0 "IC1" H 6100 5004 45 0000 C CNN F 1 "ATTINY44-SSU" H 6100 4920 45 0000 C CNN F 2 "fab:fab-SOIC14" H 5280 4300 20 0001 C CNN F 3 "" H 5250 4150 50 0001 C CNN 1 5250 4150 1 0 0 -1 $EndComp $Comp L fab:AVRISPSMD M1 U 1 1 5C9E0CB1 P 4350 5450 F 0 "M1" H 4448 5804 45 0000 C CNN F 1 "AVRISPSMD" H 4448 5720 45 0000 C CNN F 2 "fab:fab-2X03SMD" H 4380 5600 20 0001 C CNN F 3 "" H 4350 5450 50 0001 C CNN 1 4350 5450 1 0 0 -1 $EndComp $Comp L fab:FTDI-SMD-HEADER M2 U 1 1 5C9E0E9C P 6450 5700 F 0 "M2" H 6450 5700 45 0001 C CNN F 1 "FTDI-SMD-HEADER" H 6450 5700 45 0001 C CNN F 2 "fab:fab-1X06SMD" H 6480 5850 20 0001 C CNN F 3 "" H 6450 5700 50 0001 C CNN 1 6450 5700 1 0 0 -1 $EndComp $Comp L fab:RES-US1206 R1 U 1 1 5C9E129A P 7700 2800 F 0 "R1" H 7700 2994 45 0000 C CNN F 1 "10 K" H 7700 2910 45 0000 C CNN F 2 "fab:fab-R1206" H 7730 2950 20 0001 C CNN F 3 "" H 7700 2800 50 0001 C CNN 1 7700 2800 0 -1 -1 0 $EndComp $Comp L fab:RESONATOR M3 U 1 1 5C9E15E7 P 7900 5350 F 0 "M3" H 7900 5604 45 0000 C CNN F 1 "RESONATOR" H 7900 5520 45 0000 C CNN F 2 "fab:fab-EFOBM" H 7930 5500 20 0001 C CNN F 3 "" H 7900 5350 50 0001 C CNN 1 7900 5350 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0101 U 1 1 5C9E1692 P 3550 1950 F 0 "#PWR0101" H 3550 1800 50 0001 C CNN F 1 "VCC" H 3567 2123 50 0000 C CNN F 2 "" H 3550 1950 50 0001 C CNN F 3 "" H 3550 1950 50 0001 C CNN 1 3550 1950 1 0 0 -1 $EndComp $Comp L power:GND #PWR0102 U 1 1 5C9E1716 P 3550 2650 F 0 "#PWR0102" H 3550 2400 50 0001 C CNN F 1 "GND" H 3555 2477 50 0000 C CNN F 2 "" H 3550 2650 50 0001 C CNN F 3 "" H 3550 2650 50 0001 C CNN 1 3550 2650 1 0 0 -1 $EndComp Wire Wire Line 4950 4250 4600 4250 Text Label 4800 4250 0 50 ~ 0 VCC Wire Wire Line 3650 3550 3400 3550 Text Label 3500 3550 0 50 ~ 0 mosi Wire Wire Line 3650 3650 3400 3650 Text Label 3500 3650 0 50 ~ 0 miso Wire Wire Line 3650 3750 3400 3750 Text Label 3550 3750 0 50 ~ 0 GND Wire Wire Line 7250 4150 7700 4150 Wire Wire Line 7250 4250 7700 4250 Text Label 7450 4150 0 50 ~ 0 mosi Text Label 7500 4250 0 50 ~ 0 miso Wire Wire Line 6450 5200 6100 5200 Wire Wire Line 6100 5300 6450 5300 Wire Wire Line 6450 5400 6100 5400 Wire Wire Line 6450 5500 6100 5500 Wire Wire Line 6450 5600 6100 5600 Wire Wire Line 6450 5700 6100 5700 Text Label 6250 5200 0 50 ~ 0 GND Text Label 6250 5400 0 50 ~ 0 VCC Text Label 6300 5500 0 50 ~ 0 tx Text Label 6300 5600 0 50 ~ 0 rx NoConn ~ 6100 5300 NoConn ~ 6100 5700 Wire Wire Line 4550 5350 5200 5350 Wire Wire Line 4550 5450 5200 5450 Wire Wire Line 4550 5550 5200 5550 Wire Wire Line 4250 5350 3750 5350 Wire Wire Line 4250 5450 3750 5450 Wire Wire Line 4250 5550 3750 5550 Text Label 3850 5350 0 50 ~ 0 miso Text Label 3850 5450 0 50 ~ 0 sck Text Label 3900 5550 0 50 ~ 0 rst Text Label 5000 5350 0 50 ~ 0 VCC Text Label 4900 5450 0 50 ~ 0 mosi Text Label 4950 5550 0 50 ~ 0 GND Wire Wire Line 7250 3550 7700 3550 Wire Wire Line 7700 3550 7700 3000 Wire Wire Line 7700 2600 7700 2200 Text Label 7700 2400 0 50 ~ 0 VCC Text Label 7400 3550 0 50 ~ 0 rst Wire Wire Line 7250 3750 7900 3750 Wire Wire Line 7600 5350 7250 5350 Wire Wire Line 8200 5350 8550 5350 Wire Wire Line 7250 3850 7900 3850 Text Label 7600 3750 0 50 ~ 0 xtal2 Text Label 7500 3850 0 50 ~ 0 xtal1 Text Label 8350 5350 0 50 ~ 0 xtal2 Text Label 7450 5350 0 50 ~ 0 xtal1 Wire Wire Line 7900 5650 7900 6050 Text Label 7900 5800 0 50 ~ 0 GND Wire Wire Line 7250 4350 7700 4350 Text Label 7600 4350 0 50 ~ 0 sck Wire Wire Line 7250 4650 7550 4650 Wire Wire Line 7250 4750 7550 4750 Text Label 7400 4650 0 50 ~ 0 rx Text Label 7450 4750 0 50 ~ 0 tx NoConn ~ 7250 3650 NoConn ~ 7250 4050 NoConn ~ 7250 4450 NoConn ~ 7250 4550 $Comp L fab:CAP-US1206 C1 U 1 1 5C9ED4BF P 3550 2250 F 0 "C1" H 3600 2504 45 0000 C CNN F 1 "CAP-US1206" H 3600 2420 45 0000 C CNN F 2 "fab:fab-C1206" H 3580 2400 20 0001 C CNN F 3 "" H 3550 2250 50 0001 C CNN 1 3550 2250 0 -1 -1 0 $EndComp Wire Wire Line 3550 1950 3550 2050 Wire Wire Line 3550 2350 3550 2650 Wire Wire Line 4950 4750 4550 4750 Text Label 4650 4750 0 50 ~ 0 GND Wire Wire Line 3650 3450 3400 3450 Text Label 3550 3450 0 50 ~ 0 VCC $EndSCHEMATC