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: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:DonB LIBS:BalloonRadio-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 3 4 Title "NavSpark MicroAPRS balloon radio" Date "" Rev "" Comp "" Comment1 "Donald Bindner" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L 4066 U4 U 1 1 55672D3E P 4100 4600 F 0 "U4" H 4300 4451 40 0000 C CNN F 1 "4066" H 4300 4750 40 0000 C CNN F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 4100 4600 60 0001 C CNN F 3 "" H 4100 4600 60 0000 C CNN 1 4100 4600 1 0 0 -1 $EndComp $Comp L 4066 U4 U 2 1 55672D45 P 4100 3400 F 0 "U4" H 4300 3251 40 0000 C CNN F 1 "4066" H 4300 3550 40 0000 C CNN F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 4100 3400 60 0001 C CNN F 3 "" H 4100 3400 60 0000 C CNN 2 4100 3400 1 0 0 -1 $EndComp $Comp L 4066 U4 U 3 1 55672D4C P 6200 3400 F 0 "U4" H 6400 3251 40 0000 C CNN F 1 "4066" H 6400 3550 40 0000 C CNN F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 6200 3400 60 0001 C CNN F 3 "" H 6200 3400 60 0000 C CNN 3 6200 3400 1 0 0 -1 $EndComp $Comp L 4066 U4 U 4 1 55672D53 P 6200 4600 F 0 "U4" H 6400 4451 40 0000 C CNN F 1 "4066" H 6400 4750 40 0000 C CNN F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 6200 4600 60 0001 C CNN F 3 "" H 6200 4600 60 0000 C CNN 4 6200 4600 1 0 0 -1 $EndComp $Comp L GND #PWR037 U 1 1 55672D60 P 6200 3700 F 0 "#PWR037" H 6200 3450 50 0001 C CNN F 1 "GND" V 6200 3500 50 0000 C CNN F 2 "" H 6200 3700 60 0000 C CNN F 3 "" H 6200 3700 60 0000 C CNN 1 6200 3700 1 0 0 -1 $EndComp Wire Wire Line 6200 3100 6200 3150 Wire Wire Line 6200 3650 6200 3700 Text GLabel 3700 3400 0 50 Input ~ 0 txNav Text GLabel 3700 4600 0 50 Input ~ 0 rxNav Text GLabel 4500 3400 2 50 Input ~ 0 rx328 Text GLabel 4500 4600 2 50 Input ~ 0 tx328 Wire Wire Line 3700 3400 3800 3400 Wire Wire Line 3800 3550 3700 3550 Wire Wire Line 3800 4600 3700 4600 Wire Wire Line 3700 4750 3800 4750 Text GLabel 3700 3550 0 50 Input ~ 0 serial328 Text GLabel 3700 4750 0 50 Input ~ 0 serial328 Wire Wire Line 4400 3400 4500 3400 Wire Wire Line 4400 4600 4500 4600 Text GLabel 5800 3400 0 50 Input ~ 0 txNav Text GLabel 5800 4600 0 50 Input ~ 0 rxNav Text GLabel 6600 4600 2 50 Input ~ 0 txRadio Text GLabel 6600 3400 2 50 Input ~ 0 rxRadio Wire Wire Line 5800 3400 5900 3400 Wire Wire Line 5800 3550 5900 3550 Wire Wire Line 5800 4600 5900 4600 Wire Wire Line 5800 4750 5900 4750 Wire Wire Line 6500 3400 6600 3400 Wire Wire Line 6500 4600 6600 4600 Text GLabel 5800 3550 0 50 Input ~ 0 serialRadio Text GLabel 5800 4750 0 50 Input ~ 0 serialRadio Text Notes 3950 2550 0 100 ~ 0 Serial communication switch $Comp L +3.3V #PWR038 U 1 1 556AA3D5 P 6200 3100 F 0 "#PWR038" H 6200 2950 50 0001 C CNN F 1 "+3.3V" V 6200 3350 50 0000 C CNN F 2 "" H 6200 3100 60 0000 C CNN F 3 "" H 6200 3100 60 0000 C CNN 1 6200 3100 1 0 0 -1 $EndComp $EndSCHEMATC