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:walt_misc LIBS:teensy LIBS:WALTsm-cache EELAYER 25 0 EELAYER END $Descr USLetter 11000 8500 encoding utf-8 Sheet 1 1 Title "WALT Latency Timer" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L TeensyLC_with_headers U1 U 1 1 576468C7 P 2650 2750 F 0 "U1" H 2300 3500 50 0000 C CNN F 1 "TeensyLC_with_headers" V 2550 2750 50 0000 C CNN F 2 "Housings_DIP:DIP-28_W15.24mm" V 2950 2750 50 0001 C CNN F 3 "https://www.pjrc.com/teensy/teensyLC.html" V 2850 2750 50 0001 C CNN 1 2650 2750 1 0 0 -1 $EndComp $Comp L GND #PWR01 U 1 1 57646954 P 1650 2000 F 0 "#PWR01" H 1650 1750 50 0001 C CNN F 1 "GND" H 1650 1850 50 0000 C CNN F 2 "" H 1650 2000 50 0000 C CNN F 3 "" H 1650 2000 50 0000 C CNN 1 1650 2000 -1 0 0 1 $EndComp $Comp L GND #PWR02 U 1 1 5764697D P 3950 2100 F 0 "#PWR02" H 3950 1850 50 0001 C CNN F 1 "GND" H 3950 1950 50 0000 C CNN F 2 "" H 3950 2100 50 0000 C CNN F 3 "" H 3950 2100 50 0000 C CNN 1 3950 2100 -1 0 0 1 $EndComp $Comp L +3V3 #PWR03 U 1 1 57646997 P 4200 2100 F 0 "#PWR03" H 4200 1950 50 0001 C CNN F 1 "+3V3" H 4200 2240 50 0000 C CNN F 2 "" H 4200 2100 50 0000 C CNN F 3 "" H 4200 2100 50 0000 C CNN 1 4200 2100 1 0 0 -1 $EndComp Text Label 4050 2400 0 60 ~ 0 MIC_PIN Text Label 3950 2500 0 60 ~ 0 AUDIO_PIN Text Label 3700 2700 0 60 ~ 0 PD_SCREEN_PIN Text Label 4100 3100 0 60 ~ 0 GZ_PIN Text Label 4050 3200 0 60 ~ 0 GXY_PIN $Comp L Photodiode D1 U 1 1 57646A24 P 4400 3600 F 0 "D1" H 4400 3700 50 0000 C CNN F 1 "Photodiode" H 4394 3471 50 0001 C CNN F 2 "walt_footprints:BPW34_DIP2" H 4400 3600 50 0001 C CNN F 3 "" H 4400 3600 50 0000 C CNN 1 4400 3600 0 1 1 0 $EndComp $Comp L GND #PWR04 U 1 1 57646A4B P 4400 3900 F 0 "#PWR04" H 4400 3650 50 0001 C CNN F 1 "GND" H 4400 3750 50 0000 C CNN F 2 "" H 4400 3900 50 0000 C CNN F 3 "" H 4400 3900 50 0000 C CNN 1 4400 3900 1 0 0 -1 $EndComp $Comp L R R1 U 1 1 57646BD5 P 2450 800 F 0 "R1" V 2530 800 50 0000 C CNN F 1 "330" V 2450 800 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" V 2380 800 50 0001 C CNN F 3 "" H 2450 800 50 0000 C CNN 1 2450 800 0 -1 -1 0 $EndComp $Comp L R R2 U 1 1 57646C37 P 2450 1200 F 0 "R2" V 2530 1200 50 0000 C CNN F 1 "330" V 2450 1200 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" V 2380 1200 50 0001 C CNN F 3 "" H 2450 1200 50 0000 C CNN 1 2450 1200 0 -1 -1 0 $EndComp $Comp L GND #PWR05 U 1 1 57646C65 P 3400 800 F 0 "#PWR05" H 3400 550 50 0001 C CNN F 1 "GND" H 3400 650 50 0000 C CNN F 2 "" H 3400 800 50 0000 C CNN F 3 "" H 3400 800 50 0000 C CNN 1 3400 800 0 -1 -1 0 $EndComp $Comp L LED D3 U 1 1 57646CD9 P 3000 800 F 0 "D3" H 3000 900 50 0000 C CNN F 1 "LED" H 3000 700 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" H 3000 800 50 0001 C CNN F 3 "" H 3000 800 50 0000 C CNN 1 3000 800 -1 0 0 1 $EndComp $Comp L LED D4 U 1 1 57646D13 P 3000 1200 F 0 "D4" H 3000 1300 50 0000 C CNN F 1 "LED" H 3000 1100 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" H 3000 1200 50 0001 C CNN F 3 "" H 3000 1200 50 0000 C CNN 1 3000 1200 -1 0 0 1 $EndComp $Comp L GND #PWR06 U 1 1 57646D3D P 3400 1200 F 0 "#PWR06" H 3400 950 50 0001 C CNN F 1 "GND" H 3400 1050 50 0000 C CNN F 2 "" H 3400 1200 50 0000 C CNN F 3 "" H 3400 1200 50 0000 C CNN 1 3400 1200 0 -1 -1 0 $EndComp Text Label 1600 1200 0 60 ~ 0 DEBUG_LED1 Text Label 1600 800 0 60 ~ 0 DEBUG_LED2 $Comp L +3V3 #PWR07 U 1 1 57647B1C P 2750 5100 F 0 "#PWR07" H 2750 4950 50 0001 C CNN F 1 "+3V3" H 2750 5240 50 0000 C CNN F 2 "" H 2750 5100 50 0000 C CNN F 3 "" H 2750 5100 50 0000 C CNN 1 2750 5100 1 0 0 -1 $EndComp $Comp L ADXL335 U2 U 1 1 57647D5A P 3550 5800 F 0 "U2" H 2950 6450 50 0000 L CNN F 1 "ADXL335" H 3800 6450 50 0000 L CNN F 2 "Housings_DFN_QFN:QFN-16-1EP_4x4mm_Pitch0.65mm" H 3550 5500 50 0001 C CNN F 3 "" H 3550 5500 50 0000 C CNN 1 3550 5800 1 0 0 -1 $EndComp $Comp L GND #PWR08 U 1 1 57647DD6 P 2750 6500 F 0 "#PWR08" H 2750 6250 50 0001 C CNN F 1 "GND" H 2750 6350 50 0000 C CNN F 2 "" H 2750 6500 50 0000 C CNN F 3 "" H 2750 6500 50 0000 C CNN 1 2750 6500 1 0 0 -1 $EndComp Text Label 4650 5600 0 60 ~ 0 GZ_PIN Text Label 4550 5500 0 60 ~ 0 GXY_PIN $Comp L GND #PWR09 U 1 1 5764825A P 6200 3300 F 0 "#PWR09" H 6200 3050 50 0001 C CNN F 1 "GND" H 6200 3150 50 0000 C CNN F 2 "" H 6200 3300 50 0000 C CNN F 3 "" H 6200 3300 50 0000 C CNN 1 6200 3300 0 -1 -1 0 $EndComp $Comp L +3V3 #PWR010 U 1 1 576482AD P 6000 2400 F 0 "#PWR010" H 6000 2250 50 0001 C CNN F 1 "+3V3" H 6000 2540 50 0000 C CNN F 2 "" H 6000 2400 50 0000 C CNN F 3 "" H 6000 2400 50 0000 C CNN 1 6000 2400 1 0 0 -1 $EndComp $Comp L GND #PWR011 U 1 1 57648307 P 5600 2600 F 0 "#PWR011" H 5600 2350 50 0001 C CNN F 1 "GND" H 5600 2450 50 0000 C CNN F 2 "" H 5600 2600 50 0000 C CNN F 3 "" H 5600 2600 50 0000 C CNN 1 5600 2600 -1 0 0 1 $EndComp $Comp L LM321MFX U3 U 1 1 576483C4 P 6100 2900 F 0 "U3" H 6150 3100 50 0000 C CNN F 1 "LM321MFX" H 6300 2700 50 0000 C CNN F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 6050 2600 50 0001 L CNN F 3 "" H 6150 3100 50 0000 C CNN 1 6100 2900 1 0 0 -1 $EndComp $Comp L R R3 U 1 1 57648608 P 6150 3600 F 0 "R3" V 6230 3600 50 0000 C CNN F 1 "510k" V 6150 3600 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" V 6080 3600 50 0001 C CNN F 3 "" H 6150 3600 50 0000 C CNN 1 6150 3600 0 -1 -1 0 $EndComp $Comp L GND #PWR012 U 1 1 57648798 P 5600 4300 F 0 "#PWR012" H 5600 4050 50 0001 C CNN F 1 "GND" H 5600 4150 50 0000 C CNN F 2 "" H 5600 4300 50 0000 C CNN F 3 "" H 5600 4300 50 0000 C CNN 1 5600 4300 1 0 0 -1 $EndComp $Comp L Photodiode D2 U 1 1 576487CA P 5600 3950 F 0 "D2" H 5600 4050 50 0000 C CNN F 1 "Photodiode" H 5594 3821 50 0001 C CNN F 2 "walt_footprints:BPW34_DIP2" H 5600 3950 50 0001 C CNN F 3 "" H 5600 3950 50 0000 C CNN 1 5600 3950 0 1 1 0 $EndComp $Comp L JACK_TRRS J1 U 1 1 5764949B P 10000 1500 F 0 "J1" H 10200 1850 50 0000 C CNN F 1 "JACK_TRRS" H 9950 1250 50 0000 C CNN F 2 "walt_footprints:TRRS_SJ_43514" H 9800 1350 50 0001 C CNN F 3 "" H 9800 1350 50 0000 C CNN 1 10000 1500 1 0 0 -1 $EndComp $Comp L R R7 U 1 1 57649565 P 9200 2250 F 0 "R7" V 9280 2250 50 0000 C CNN F 1 "100" V 9200 2250 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" V 9130 2250 50 0001 C CNN F 3 "" H 9200 2250 50 0000 C CNN 1 9200 2250 -1 0 0 1 $EndComp $Comp L GND #PWR013 U 1 1 57649633 P 9200 2600 F 0 "#PWR013" H 9200 2350 50 0001 C CNN F 1 "GND" H 9200 2450 50 0000 C CNN F 2 "" H 9200 2600 50 0000 C CNN F 3 "" H 9200 2600 50 0000 C CNN 1 9200 2600 1 0 0 -1 $EndComp Text Label 8600 1900 0 60 ~ 0 AUDIO_PIN $Comp L C C1 U 1 1 5764985B P 9050 1300 F 0 "C1" H 9075 1400 50 0000 L CNN F 1 "0.1uF" H 9075 1200 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 9088 1150 50 0001 C CNN F 3 "" H 9050 1300 50 0000 C CNN 1 9050 1300 0 1 1 0 $EndComp $Comp L R R4 U 1 1 576498AB P 8550 1300 F 0 "R4" V 8630 1300 50 0000 C CNN F 1 "3,3k" V 8550 1300 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" V 8480 1300 50 0001 C CNN F 3 "" H 8550 1300 50 0000 C CNN 1 8550 1300 0 -1 -1 0 $EndComp $Comp L R R5 U 1 1 576498E4 P 8800 1050 F 0 "R5" V 8880 1050 50 0000 C CNN F 1 "100" V 8800 1050 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" V 8730 1050 50 0001 C CNN F 3 "" H 8800 1050 50 0000 C CNN 1 8800 1050 1 0 0 -1 $EndComp $Comp L R R6 U 1 1 5764991F P 9300 1050 F 0 "R6" V 9380 1050 50 0000 C CNN F 1 "3.3k" V 9300 1050 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" V 9230 1050 50 0001 C CNN F 3 "" H 9300 1050 50 0000 C CNN 1 9300 1050 1 0 0 -1 $EndComp $Comp L GND #PWR014 U 1 1 57649B4B P 9300 800 F 0 "#PWR014" H 9300 550 50 0001 C CNN F 1 "GND" H 9300 650 50 0000 C CNN F 2 "" H 9300 800 50 0000 C CNN F 3 "" H 9300 800 50 0000 C CNN 1 9300 800 -1 0 0 1 $EndComp $Comp L GND #PWR015 U 1 1 57649B86 P 8800 800 F 0 "#PWR015" H 8800 550 50 0001 C CNN F 1 "GND" H 8800 650 50 0000 C CNN F 2 "" H 8800 800 50 0000 C CNN F 3 "" H 8800 800 50 0000 C CNN 1 8800 800 -1 0 0 1 $EndComp Text Label 7800 1300 0 60 ~ 0 MIC_PIN NoConn ~ 4250 5800 NoConn ~ 4250 5900 NoConn ~ 4250 6000 NoConn ~ 4250 6100 NoConn ~ 4250 6200 NoConn ~ 4250 6300 Text Label 7000 2900 0 60 ~ 0 PD_SCREEN_PIN $Comp L +3V3 #PWR016 U 1 1 5764A52C P 800 800 F 0 "#PWR016" H 800 650 50 0001 C CNN F 1 "+3V3" H 800 940 50 0000 C CNN F 2 "" H 800 800 50 0000 C CNN F 3 "" H 800 800 50 0000 C CNN 1 800 800 1 0 0 -1 $EndComp $Comp L GND #PWR017 U 1 1 5764A560 P 800 1700 F 0 "#PWR017" H 800 1450 50 0001 C CNN F 1 "GND" H 800 1550 50 0000 C CNN F 2 "" H 800 1700 50 0000 C CNN F 3 "" H 800 1700 50 0000 C CNN 1 800 1700 1 0 0 -1 $EndComp $Comp L PWR_FLAG #FLG018 U 1 1 5764A594 P 800 1500 F 0 "#FLG018" H 800 1595 50 0001 C CNN F 1 "PWR_FLAG" H 800 1680 50 0000 C CNN F 2 "" H 800 1500 50 0000 C CNN F 3 "" H 800 1500 50 0000 C CNN 1 800 1500 1 0 0 -1 $EndComp $Comp L PWR_FLAG #FLG019 U 1 1 5764A5D6 P 800 1000 F 0 "#FLG019" H 800 1095 50 0001 C CNN F 1 "PWR_FLAG" H 800 1180 50 0000 C CNN F 2 "" H 800 1000 50 0000 C CNN F 3 "" H 800 1000 50 0000 C CNN 1 800 1000 -1 0 0 1 $EndComp Text Label 1300 2900 0 60 ~ 0 SERIAL_RX Text Label 1300 3000 0 60 ~ 0 SERIAL_TX $Comp L CONN_01X06 P1 U 1 1 5765C52E P 900 4250 F 0 "P1" H 900 4600 50 0000 C CNN F 1 "CONN_01X06" V 1000 4250 50 0000 C CNN F 2 "walt_footprints:Pin_Header_Straight_1x06" H 900 4250 50 0001 C CNN F 3 "" H 900 4250 50 0000 C CNN 1 900 4250 -1 0 0 1 $EndComp Text Label 1200 4400 0 60 ~ 0 SERIAL_TX Text Label 1200 4300 0 60 ~ 0 SERIAL_RX $Comp L GND #PWR020 U 1 1 5765C7B4 P 1300 3850 F 0 "#PWR020" H 1300 3600 50 0001 C CNN F 1 "GND" H 1300 3700 50 0000 C CNN F 2 "" H 1300 3850 50 0000 C CNN F 3 "" H 1300 3850 50 0000 C CNN 1 1300 3850 -1 0 0 1 $EndComp NoConn ~ 1100 4200 Text Label 1300 2700 0 60 ~ 0 SERIAL_RTS Text Label 1300 3100 0 60 ~ 0 SERIAL_CTS Text Label 1200 4100 0 60 ~ 0 SERIAL_RTS Text Label 1200 4500 0 60 ~ 0 SERIAL_CTS Text Label 3400 2100 0 60 ~ 0 VUSB_5V Text Label 1300 5100 0 60 ~ 0 VUSB_5V $Comp L GND #PWR021 U 1 1 5765DB92 P 1700 5300 F 0 "#PWR021" H 1700 5050 50 0001 C CNN F 1 "GND" H 1700 5150 50 0000 C CNN F 2 "" H 1700 5300 50 0000 C CNN F 3 "" H 1700 5300 50 0000 C CNN 1 1700 5300 0 -1 -1 0 $EndComp Text Label 1200 5400 0 60 ~ 0 GPIO_A5 Text Label 1200 5500 0 60 ~ 0 GPIO_A4 Text Label 1200 5600 0 60 ~ 0 GPIO_A3 Text Label 3700 2800 0 60 ~ 0 GPIO_A5 Text Label 3700 2900 0 60 ~ 0 GPIO_A4 Text Label 3700 3000 0 60 ~ 0 GPIO_A3 NoConn ~ 1900 2600 NoConn ~ 3400 2600 NoConn ~ 2850 5600 Wire Wire Line 1650 2100 1900 2100 Wire Wire Line 3400 2400 4350 2400 Wire Wire Line 4350 2500 3400 2500 Wire Wire Line 4400 2700 3400 2700 Wire Wire Line 4400 3000 3400 3000 Wire Wire Line 4400 3100 3400 3100 Wire Wire Line 4400 3200 3400 3200 Wire Wire Line 4400 3900 4400 3750 Wire Wire Line 3400 1200 3200 1200 Wire Wire Line 3200 800 3400 800 Wire Wire Line 1600 800 2300 800 Wire Wire Line 1600 1200 2300 1200 Wire Wire Line 2750 5100 2750 5400 Wire Wire Line 2450 5400 2850 5400 Wire Wire Line 2850 5300 2750 5300 Connection ~ 2750 5300 Wire Wire Line 2750 5800 2750 6500 Wire Wire Line 2450 5800 2850 5800 Wire Wire Line 2850 5900 2750 5900 Connection ~ 2750 5900 Wire Wire Line 2750 6000 2850 6000 Connection ~ 2750 6000 Wire Wire Line 2850 6100 2750 6100 Connection ~ 2750 6100 Wire Wire Line 2750 6300 2850 6300 Connection ~ 2750 6300 Wire Wire Line 4950 5600 4250 5600 Wire Wire Line 4950 5500 4250 5500 Wire Wire Line 6000 2400 6000 2600 Wire Wire Line 5600 2600 5600 2800 Wire Wire Line 5600 2800 5800 2800 Wire Wire Line 6200 3300 6000 3300 Wire Wire Line 6000 3300 6000 3200 Wire Wire Line 5600 4300 5600 4100 Wire Wire Line 5600 3000 5600 3800 Wire Wire Line 5600 3000 5800 3000 Wire Wire Line 6000 3600 5600 3600 Connection ~ 5600 3600 Wire Wire Line 6300 3600 6700 3600 Wire Wire Line 6700 3600 6700 2900 Wire Wire Line 6400 2900 7700 2900 Wire Wire Line 9200 2600 9200 2400 Wire Wire Line 9500 1500 9200 1500 Wire Wire Line 9200 1500 9200 2100 Wire Wire Line 8600 1900 9200 1900 Connection ~ 9200 1900 Wire Wire Line 8700 1300 8900 1300 Wire Wire Line 8800 1300 8800 1200 Connection ~ 8800 1300 Wire Wire Line 9300 1300 9300 1200 Connection ~ 9300 1300 Wire Wire Line 7800 1300 8400 1300 Wire Wire Line 8800 900 8800 800 Wire Wire Line 9300 800 9300 900 Connection ~ 6700 2900 Wire Wire Line 800 800 800 1000 Wire Wire Line 800 1500 800 1700 Wire Wire Line 1650 2000 1650 2100 Wire Wire Line 1300 2900 1900 2900 Wire Wire Line 1900 3000 1300 3000 Wire Wire Line 1700 4400 1100 4400 Wire Wire Line 1700 4300 1100 4300 Wire Wire Line 1300 4000 1100 4000 Wire Wire Line 1300 2700 1900 2700 Wire Wire Line 1900 3100 1300 3100 Wire Wire Line 1700 4100 1100 4100 Wire Wire Line 1300 4000 1300 3850 Wire Wire Line 1700 4500 1100 4500 Wire Wire Line 1700 5100 1100 5100 Wire Wire Line 1700 5400 1100 5400 Wire Wire Line 1700 5500 1100 5500 Wire Wire Line 1700 5600 1100 5600 Wire Wire Line 3400 2300 4200 2300 Wire Wire Line 4200 2300 4200 2100 Wire Wire Line 3400 2200 3950 2200 Wire Wire Line 3950 2200 3950 2100 Wire Wire Line 3800 2100 3400 2100 Wire Wire Line 1700 5300 1100 5300 Wire Wire Line 4400 2900 3400 2900 Wire Wire Line 4400 2800 3400 2800 Wire Wire Line 3400 3300 4400 3300 Wire Wire Line 4400 3300 4400 3450 Wire Wire Line 9200 1300 9500 1300 $Comp L GND #PWR022 U 1 1 5766B49C P 9400 1400 F 0 "#PWR022" H 9400 1150 50 0001 C CNN F 1 "GND" H 9400 1250 50 0000 C CNN F 2 "" H 9400 1400 50 0000 C CNN F 3 "" H 9400 1400 50 0000 C CNN 1 9400 1400 0 1 1 0 $EndComp Wire Wire Line 9400 1400 9500 1400 Wire Wire Line 2800 800 2600 800 Wire Wire Line 2600 1200 2800 1200 $Comp L C C2 U 1 1 5766D3A4 P 2450 5600 F 0 "C2" H 2475 5700 50 0000 L CNN F 1 "0.1uF" H 2475 5500 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 2488 5450 50 0001 C CNN F 3 "" H 2450 5600 50 0000 C CNN 1 2450 5600 1 0 0 -1 $EndComp Wire Wire Line 2450 5750 2450 5800 Connection ~ 2750 5800 Wire Wire Line 2450 5400 2450 5450 Connection ~ 2750 5400 $Comp L +3V3 #PWR023 U 1 1 5766F66D P 1550 5200 F 0 "#PWR023" H 1550 5050 50 0001 C CNN F 1 "+3V3" H 1550 5340 50 0000 C CNN F 2 "" H 1550 5200 50 0000 C CNN F 3 "" H 1550 5200 50 0000 C CNN 1 1550 5200 0 1 1 0 $EndComp $Comp L CONN_01X06 P2 U 1 1 57681A8E P 900 5350 F 0 "P2" H 900 5700 50 0000 C CNN F 1 "CONN_01X06" V 1000 5350 50 0000 C CNN F 2 "walt_footprints:Pin_Header_Straight_1x06" H 900 5350 50 0001 C CNN F 3 "" H 900 5350 50 0000 C CNN 1 900 5350 -1 0 0 1 $EndComp Wire Wire Line 1550 5200 1100 5200 Wire Wire Line 1300 3300 1900 3300 Wire Wire Line 1300 3400 1900 3400 Text Label 1300 3300 0 60 ~ 0 DEBUG_LED1 Text Label 1300 3400 0 60 ~ 0 DEBUG_LED2 NoConn ~ 1900 3200 NoConn ~ 1900 2500 NoConn ~ 1900 2400 NoConn ~ 1900 2300 NoConn ~ 1900 2200 NoConn ~ 1900 2800 NoConn ~ 3400 3400 NoConn ~ 4250 5400 $Comp L R R8 U 1 1 58B4C350 P 9400 2250 F 0 "R8" V 9480 2250 50 0000 C CNN F 1 "100" V 9400 2250 50 0000 C CNN F 2 "walt_footprints:R_0603_pad07mm_long" V 9330 2250 50 0001 C CNN F 3 "" H 9400 2250 50 0000 C CNN 1 9400 2250 1 0 0 -1 $EndComp Wire Wire Line 9500 1600 9400 1600 Wire Wire Line 9400 1600 9400 2100 Wire Wire Line 9400 2400 9400 2500 Wire Wire Line 9400 2500 9200 2500 Connection ~ 9200 2500 $EndSCHEMATC