EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 2 6 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L MCU_RaspberryPi_and_Boards:Pico U100 U 1 1 61CA9F97 P 9200 4550 F 0 "U100" H 9200 5765 50 0000 C CNN F 1 "Pico" H 9200 5674 50 0000 C CNN F 2 "MCU_RaspberryPi_and_Boards:RPi_Pico_SMD_TH" V 9200 4550 50 0001 C CNN F 3 "" H 9200 4550 50 0001 C CNN 1 9200 4550 1 0 0 -1 $EndComp $Comp L MCU_RaspberryPi_and_Boards:RP2040 U101 U 1 1 61CAAFD4 P 4050 5500 F 0 "U101" H 4050 3411 50 0000 C CNN F 1 "RP2040" H 4050 3320 50 0000 C CNN F 2 "MCU_RaspberryPi_and_Boards:RP2040-QFN-56" H 3300 5500 50 0001 C CNN F 3 "" H 3300 5500 50 0001 C CNN 1 4050 5500 1 0 0 -1 $EndComp Wire Wire Line 9100 5700 9100 5950 Wire Wire Line 9300 5700 9300 5950 Wire Wire Line 9200 5700 9200 6000 $Comp L power:GND #PWR0102 U 1 1 61CB3B4B P 9200 6150 F 0 "#PWR0102" H 9200 5900 50 0001 C CNN F 1 "GND" H 9205 5977 50 0000 C CNN F 2 "" H 9200 6150 50 0001 C CNN F 3 "" H 9200 6150 50 0001 C CNN 1 9200 6150 1 0 0 -1 $EndComp Text Label 9100 5950 1 50 ~ 0 SWCLK Text Label 9300 5950 1 50 ~ 0 SWDIO Wire Wire Line 9200 6000 10500 6000 Wire Wire Line 10500 6000 10500 5300 Wire Wire Line 10500 5300 9900 5300 Connection ~ 9200 6000 Wire Wire Line 9200 6000 9200 6150 Wire Wire Line 10500 5300 10500 4800 Wire Wire Line 10500 4800 9900 4800 Connection ~ 10500 5300 Wire Wire Line 10500 4800 10500 4300 Wire Wire Line 10500 4300 9900 4300 Connection ~ 10500 4800 Wire Wire Line 10500 4300 10500 3800 Wire Wire Line 10500 3800 9900 3800 Connection ~ 10500 4300 Wire Wire Line 8500 3800 7750 3800 Wire Wire Line 7750 3800 7750 4300 Wire Wire Line 7750 4300 8500 4300 Wire Wire Line 8500 4800 7750 4800 Wire Wire Line 7750 4800 7750 4300 Connection ~ 7750 4300 Wire Wire Line 7750 4800 7750 5300 Wire Wire Line 7750 5300 8500 5300 Connection ~ 7750 4800 Text GLabel 8400 3600 0 50 Input ~ 0 UART_TX Text GLabel 8400 3700 0 50 Input ~ 0 UART_RX Text GLabel 8400 4000 0 50 Input ~ 0 MAX_SW_A Text GLabel 8400 4100 0 50 Input ~ 0 MAX_SW_B Wire Wire Line 8500 3600 8400 3600 Wire Wire Line 8400 3700 8500 3700 Wire Wire Line 8500 4000 8400 4000 Wire Wire Line 8400 4100 8500 4100 Text GLabel 8400 3900 0 50 Input ~ 0 MAX_EN Wire Wire Line 8500 3900 8400 3900 Text GLabel 8400 4400 0 50 Input ~ 0 DPOT_CLK Text GLabel 8400 4500 0 50 Input ~ 0 DPOT_DAT Text GLabel 8400 4600 0 50 Input ~ 0 GPIO_S0D Text GLabel 8400 4700 0 50 Input ~ 0 GPIO_S0W Text GLabel 8400 4900 0 50 Input ~ 0 GPIO_S1D Text GLabel 8400 5000 0 50 Input ~ 0 GPIO_S1W Text GLabel 8400 5100 0 50 Input ~ 0 GPIO_S2D Text GLabel 8400 5200 0 50 Input ~ 0 GPIO_S2W Text GLabel 8400 5400 0 50 Input ~ 0 GPIO_S3D Text GLabel 8400 5500 0 50 Input ~ 0 GPIO_S3W Wire Wire Line 8500 4400 8400 4400 Wire Wire Line 8400 4500 8500 4500 Wire Wire Line 8500 4600 8400 4600 Wire Wire Line 8400 4700 8500 4700 Wire Wire Line 8500 4900 8400 4900 Wire Wire Line 8400 5000 8500 5000 Wire Wire Line 8500 5100 8400 5100 Wire Wire Line 8400 5200 8500 5200 Wire Wire Line 8500 5400 8400 5400 Wire Wire Line 8400 5500 8500 5500 $Comp L power:VBUS #PWR0103 U 1 1 61CC57D1 P 10000 3450 F 0 "#PWR0103" H 10000 3300 50 0001 C CNN F 1 "VBUS" H 10015 3623 50 0000 C CNN F 2 "" H 10000 3450 50 0001 C CNN F 3 "" H 10000 3450 50 0001 C CNN 1 10000 3450 1 0 0 -1 $EndComp Wire Wire Line 9900 3600 10000 3600 Wire Wire Line 10000 3600 10000 3450 NoConn ~ 9900 3700 Text GLabel 10000 5500 2 50 Input ~ 0 GPIO_P0D Text GLabel 10000 5400 2 50 Input ~ 0 GPIO_P0W Text GLabel 10000 5200 2 50 Input ~ 0 GPIO_P1D Text GLabel 10000 5100 2 50 Input ~ 0 GPIO_P1W Wire Wire Line 7750 5300 7750 6000 Wire Wire Line 7750 6000 9200 6000 Connection ~ 7750 5300 $Comp L power:+3V3 #PWR0104 U 1 1 61CCD9C3 P 10150 4000 F 0 "#PWR0104" H 10150 3850 50 0001 C CNN F 1 "+3V3" V 10165 4128 50 0000 L CNN F 2 "" H 10150 4000 50 0001 C CNN F 3 "" H 10150 4000 50 0001 C CNN 1 10150 4000 0 1 1 0 $EndComp Wire Wire Line 10150 4000 9900 4000 Text GLabel 10000 4700 2 50 Input ~ 0 P22PWM Text GLabel 10000 5000 2 50 Input ~ 0 TRIG_IN Text GLabel 10000 4900 2 50 Input ~ 0 GLITCH_SIG NoConn ~ 8500 4200 Wire Wire Line 10000 4900 9900 4900 Wire Wire Line 9900 5000 10000 5000 Wire Wire Line 10000 5100 9900 5100 Wire Wire Line 9900 5200 10000 5200 Wire Wire Line 10000 5400 9900 5400 Wire Wire Line 9900 5500 10000 5500 Wire Wire Line 10000 4700 9900 4700 Text GLabel 10000 4500 2 50 Input ~ 0 ADC0 Text GLabel 10000 4400 2 50 Input ~ 0 ADC1 Wire Wire Line 10000 4500 9900 4500 Wire Wire Line 9900 4400 10000 4400 NoConn ~ 9900 4200 Text GLabel 10000 3900 2 50 Input ~ 0 ~EMERG_SHDN~ Wire Wire Line 10000 3900 9900 3900 Text GLabel 10150 4600 2 50 Input ~ 0 ~EMERG_SHDN~ Wire Wire Line 10150 4600 10050 4600 $Comp L power:+3.3VADC #PWR0105 U 1 1 61CDDF59 P 10150 4100 F 0 "#PWR0105" H 10300 4050 50 0001 C CNN F 1 "+3.3VADC" V 10165 4228 50 0000 L CNN F 2 "" H 10150 4100 50 0001 C CNN F 3 "" H 10150 4100 50 0001 C CNN 1 10150 4100 0 1 1 0 $EndComp Wire Wire Line 10150 4100 9900 4100 $Comp L power:VBUS #PWR0106 U 1 1 61CE77C5 P 10500 1450 F 0 "#PWR0106" H 10500 1300 50 0001 C CNN F 1 "VBUS" H 10515 1623 50 0000 C CNN F 2 "" H 10500 1450 50 0001 C CNN F 3 "" H 10500 1450 50 0001 C CNN 1 10500 1450 1 0 0 -1 $EndComp $Comp L Device:C C100 U 1 1 61CE8380 P 10500 1750 F 0 "C100" H 10615 1796 50 0000 L CNN F 1 "47uF" H 10615 1705 50 0000 L CNN F 2 "Capacitor_THT:CP_Radial_D4.0mm_P2.00mm" H 10538 1600 50 0001 C CNN F 3 "~" H 10500 1750 50 0001 C CNN 1 10500 1750 1 0 0 -1 $EndComp $Comp L power:GND #PWR0107 U 1 1 61CE8BC7 P 10500 2000 F 0 "#PWR0107" H 10500 1750 50 0001 C CNN F 1 "GND" H 10505 1827 50 0000 C CNN F 2 "" H 10500 2000 50 0001 C CNN F 3 "" H 10500 2000 50 0001 C CNN 1 10500 2000 1 0 0 -1 $EndComp Wire Wire Line 10500 2000 10500 1900 Wire Wire Line 10500 1600 10500 1450 Text GLabel 10500 1000 2 50 Input ~ 0 ~EMERG_SHDN~ $Comp L Device:D D100 U 1 1 61D10674 P 10250 1000 F 0 "D100" H 10250 1217 50 0000 C CNN F 1 "1N4001" H 10250 1126 50 0000 C CNN F 2 "Diode_SMD:D_SOD-123" H 10250 1000 50 0001 C CNN F 3 "~" H 10250 1000 50 0001 C CNN 1 10250 1000 1 0 0 -1 $EndComp Wire Wire Line 10400 1000 10500 1000 Text Notes 7100 1200 0 50 ~ 0 Vbus cap, UART and SWD connectors $Comp L Connector_Generic:Conn_02x05_Odd_Even J102 U 1 1 61D19E71 P 9150 1100 F 0 "J102" H 9200 1517 50 0000 C CNN F 1 "FTSH-105-01-L-DV-007-K" H 9200 1426 50 0000 C CNN F 2 "lethalbit-connectors:FTSH-105-01-L-DV-K-TR" H 9150 1100 50 0001 C CNN F 3 "~" H 9150 1100 50 0001 C CNN 1 9150 1100 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR0112 U 1 1 61D1B035 P 8800 900 F 0 "#PWR0112" H 8800 750 50 0001 C CNN F 1 "+3V3" V 8815 1028 50 0000 L CNN F 2 "" H 8800 900 50 0001 C CNN F 3 "" H 8800 900 50 0001 C CNN 1 8800 900 0 -1 -1 0 $EndComp Wire Wire Line 8950 900 8800 900 Wire Wire Line 8950 1000 8900 1000 Wire Wire Line 8900 1000 8900 1050 Wire Wire Line 8900 1100 8950 1100 Wire Wire Line 8900 1050 8800 1050 Connection ~ 8900 1050 Wire Wire Line 8900 1050 8900 1100 $Comp L power:GND #PWR0113 U 1 1 61D2A354 P 8800 1050 F 0 "#PWR0113" H 8800 800 50 0001 C CNN F 1 "GND" V 8805 922 50 0000 R CNN F 2 "" H 8800 1050 50 0001 C CNN F 3 "" H 8800 1050 50 0001 C CNN 1 8800 1050 0 1 1 0 $EndComp $Comp L power:GND #PWR0114 U 1 1 61D2A695 P 8800 1300 F 0 "#PWR0114" H 8800 1050 50 0001 C CNN F 1 "GND" V 8805 1172 50 0000 R CNN F 2 "" H 8800 1300 50 0001 C CNN F 3 "" H 8800 1300 50 0001 C CNN 1 8800 1300 0 1 1 0 $EndComp Wire Wire Line 8950 1300 8800 1300 Wire Wire Line 9450 1000 9800 1000 Text Label 9800 1000 2 50 ~ 0 SWCLK Wire Wire Line 9450 900 9800 900 Text Label 9800 900 2 50 ~ 0 SWDIO Wire Wire Line 10050 1000 10100 1000 NoConn ~ 9450 1200 NoConn ~ 9450 1100 NoConn ~ 8950 1200 Wire Wire Line 10050 1000 10050 1300 Wire Wire Line 9450 1300 10050 1300 Text Notes 8300 3200 0 50 ~ 0 Pico (using breakout-ish connector) Text GLabel 5400 4200 2 50 Input ~ 0 UART_TX Text GLabel 5400 4300 2 50 Input ~ 0 UART_RX Wire Wire Line 5300 4200 5400 4200 Wire Wire Line 5400 4300 5300 4300 Text GLabel 5400 4500 2 50 Input ~ 0 MAX_SW_A Text GLabel 5400 4600 2 50 Input ~ 0 MAX_SW_B Wire Wire Line 5300 4500 5400 4500 Wire Wire Line 5400 4600 5300 4600 Text GLabel 5400 4400 2 50 Input ~ 0 MAX_EN Wire Wire Line 5300 4400 5400 4400 Text GLabel 5400 4800 2 50 Input ~ 0 DPOT_CLK Text GLabel 5400 4900 2 50 Input ~ 0 DPOT_DAT Text GLabel 5400 5000 2 50 Input ~ 0 GPIO_S0D Text GLabel 5400 5100 2 50 Input ~ 0 GPIO_S0W Wire Wire Line 5300 4800 5400 4800 Wire Wire Line 5400 4900 5300 4900 Wire Wire Line 5300 5000 5400 5000 Wire Wire Line 5400 5100 5300 5100 Text GLabel 5400 5200 2 50 Input ~ 0 GPIO_S1D Text GLabel 5400 5300 2 50 Input ~ 0 GPIO_S1W Text GLabel 5400 5400 2 50 Input ~ 0 GPIO_S2D Text GLabel 5400 5500 2 50 Input ~ 0 GPIO_S2W Wire Wire Line 5300 5200 5400 5200 Wire Wire Line 5400 5300 5300 5300 Wire Wire Line 5300 5400 5400 5400 Wire Wire Line 5400 5500 5300 5500 Text GLabel 5400 5600 2 50 Input ~ 0 GPIO_S3D Text GLabel 5400 5700 2 50 Input ~ 0 GPIO_S3W Wire Wire Line 5300 5600 5400 5600 Wire Wire Line 5400 5700 5300 5700 NoConn ~ 5300 4700 NoConn ~ 5300 7100 NoConn ~ 5300 7200 Text GLabel 5400 5800 2 50 Input ~ 0 GPIO_P0D Text GLabel 5400 5900 2 50 Input ~ 0 GPIO_P0W Wire Wire Line 5400 5900 5300 5900 Wire Wire Line 5300 5800 5400 5800 Text GLabel 5400 6000 2 50 Input ~ 0 GPIO_P1D Text GLabel 5400 6100 2 50 Input ~ 0 GPIO_P1W Text GLabel 5400 6200 2 50 Input ~ 0 TRIG_IN Text GLabel 5400 6300 2 50 Input ~ 0 GLITCH_SIG Wire Wire Line 5400 6300 5300 6300 Wire Wire Line 5300 6200 5400 6200 Wire Wire Line 5400 6100 5300 6100 Wire Wire Line 5300 6000 5400 6000 Text GLabel 5400 6400 2 50 Input ~ 0 P22PWM Wire Wire Line 5400 6400 5300 6400 Text GLabel 5400 7000 2 50 Input ~ 0 ADC0 Text GLabel 5400 6900 2 50 Input ~ 0 ADC1 Wire Wire Line 5400 7000 5300 7000 Wire Wire Line 5300 6900 5400 6900 NoConn ~ 5300 6700 NoConn ~ 5300 6600 NoConn ~ 5300 6500 Text GLabel 2650 6300 0 50 Input ~ 0 ~EMERG_SHDN~ Wire Wire Line 2450 6750 2800 6750 Text Label 2450 6750 0 50 ~ 0 SWCLK Wire Wire Line 2450 6850 2800 6850 Text Label 2450 6850 0 50 ~ 0 SWDIO NoConn ~ 2800 4400 NoConn ~ 2800 4500 NoConn ~ 2800 4600 NoConn ~ 2800 4700 NoConn ~ 2800 4850 $Comp L Connector:USB_B_Micro J103 U 1 1 61E52589 P 1000 1300 F 0 "J103" H 1057 1767 50 0000 C CNN F 1 "USB_B_Micro" H 1057 1676 50 0000 C CNN F 2 "Connector_USB:USB_Micro-B_Wuerth_629105150521" H 1150 1250 50 0001 C CNN F 3 "~" H 1150 1250 50 0001 C CNN 1 1000 1300 1 0 0 -1 $EndComp $Comp L Regulator_Linear:NCP1117-3.3_SOT223 U102 U 1 1 61E54261 P 2350 1100 F 0 "U102" H 2350 1342 50 0000 C CNN F 1 "NCP1117-3.3_SOT223" H 2350 1251 50 0000 C CNN F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 2350 1300 50 0001 C CNN F 3 "http://www.onsemi.com/pub_link/Collateral/NCP1117-D.PDF" H 2450 850 50 0001 C CNN 1 2350 1100 1 0 0 -1 $EndComp $Comp L power:VBUS #PWR0115 U 1 1 61E5EEDA P 1550 950 F 0 "#PWR0115" H 1550 800 50 0001 C CNN F 1 "VBUS" H 1565 1123 50 0000 C CNN F 2 "" H 1550 950 50 0001 C CNN F 3 "" H 1550 950 50 0001 C CNN 1 1550 950 1 0 0 -1 $EndComp Text Label 1700 1400 2 50 ~ 0 USB_DM Text Label 1700 1300 2 50 ~ 0 USB_DP Wire Wire Line 1300 1300 1700 1300 Wire Wire Line 1300 1400 1700 1400 NoConn ~ 1300 1500 $Comp L power:GND #PWR0116 U 1 1 61E74419 P 900 1850 F 0 "#PWR0116" H 900 1600 50 0001 C CNN F 1 "GND" H 905 1677 50 0000 C CNN F 2 "" H 900 1850 50 0001 C CNN F 3 "" H 900 1850 50 0001 C CNN 1 900 1850 1 0 0 -1 $EndComp Wire Wire Line 900 1850 900 1750 Wire Wire Line 900 1750 1000 1750 Wire Wire Line 1000 1750 1000 1700 Connection ~ 900 1750 Wire Wire Line 900 1750 900 1700 Wire Wire Line 1550 950 1550 1100 Wire Wire Line 1550 1100 1300 1100 Wire Wire Line 1550 1100 1850 1100 Connection ~ 1550 1100 Wire Wire Line 1850 1100 1850 1200 $Comp L Device:C C101 U 1 1 61E9E3DD P 1850 1350 F 0 "C101" H 1965 1396 50 0000 L CNN F 1 "10uF" H 1965 1305 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 1888 1200 50 0001 C CNN F 3 "~" H 1850 1350 50 0001 C CNN 1 1850 1350 1 0 0 -1 $EndComp $Comp L power:GND #PWR0117 U 1 1 61E9F90A P 1850 1700 F 0 "#PWR0117" H 1850 1450 50 0001 C CNN F 1 "GND" H 1855 1527 50 0000 C CNN F 2 "" H 1850 1700 50 0001 C CNN F 3 "" H 1850 1700 50 0001 C CNN 1 1850 1700 1 0 0 -1 $EndComp Wire Wire Line 1850 1700 1850 1600 Wire Wire Line 2050 1100 1850 1100 Connection ~ 1850 1100 Wire Wire Line 1850 1600 2350 1600 Wire Wire Line 2350 1600 2350 1400 Connection ~ 1850 1600 Wire Wire Line 1850 1600 1850 1500 $Comp L Device:C C102 U 1 1 61EB2A35 P 2900 1350 F 0 "C102" H 3015 1396 50 0000 L CNN F 1 "10uF" H 3015 1305 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 2938 1200 50 0001 C CNN F 3 "~" H 2900 1350 50 0001 C CNN 1 2900 1350 1 0 0 -1 $EndComp Wire Wire Line 2650 1100 2900 1100 Wire Wire Line 2900 1100 2900 1200 Wire Wire Line 2350 1600 2900 1600 Wire Wire Line 2900 1600 2900 1500 Connection ~ 2350 1600 $Comp L power:+3V3 #PWR0118 U 1 1 61ED2600 P 2900 950 F 0 "#PWR0118" H 2900 800 50 0001 C CNN F 1 "+3V3" H 2915 1123 50 0000 C CNN F 2 "" H 2900 950 50 0001 C CNN F 3 "" H 2900 950 50 0001 C CNN 1 2900 950 1 0 0 -1 $EndComp Wire Wire Line 2900 1100 2900 950 Connection ~ 2900 1100 Text Label 6450 3900 2 50 ~ 0 USB_DM Text Label 6450 3800 2 50 ~ 0 USB_DP Wire Wire Line 3550 7500 3700 7500 Wire Wire Line 4300 7500 4050 7500 $Comp L power:GND #PWR0119 U 1 1 61F64D90 P 3700 7500 F 0 "#PWR0119" H 3700 7250 50 0001 C CNN F 1 "GND" H 3705 7327 50 0000 C CNN F 2 "" H 3700 7500 50 0001 C CNN F 3 "" H 3700 7500 50 0001 C CNN 1 3700 7500 1 0 0 -1 $EndComp $Comp L power:GND #PWR0120 U 1 1 61F656F1 P 4300 7500 F 0 "#PWR0120" H 4300 7250 50 0001 C CNN F 1 "GND" H 4305 7327 50 0000 C CNN F 2 "" H 4300 7500 50 0001 C CNN F 3 "" H 4300 7500 50 0001 C CNN 1 4300 7500 1 0 0 -1 $EndComp $Comp L Device:C C104 U 1 1 61F81E0A P 2550 3100 F 0 "C104" H 2665 3146 50 0000 L CNN F 1 "100nF" H 2665 3055 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 2588 2950 50 0001 C CNN F 3 "~" H 2550 3100 50 0001 C CNN 1 2550 3100 1 0 0 -1 $EndComp $Comp L Device:C C105 U 1 1 61F8278D P 3000 3100 F 0 "C105" H 3115 3146 50 0000 L CNN F 1 "1uF" H 3115 3055 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 3038 2950 50 0001 C CNN F 3 "~" H 3000 3100 50 0001 C CNN 1 3000 3100 1 0 0 -1 $EndComp $Comp L Device:C C103 U 1 1 61F82D7C P 2100 3100 F 0 "C103" H 2215 3146 50 0000 L CNN F 1 "100nF" H 2215 3055 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 2138 2950 50 0001 C CNN F 3 "~" H 2100 3100 50 0001 C CNN 1 2100 3100 1 0 0 -1 $EndComp Wire Wire Line 2100 2950 2100 2850 Wire Wire Line 2550 2850 2550 2950 Wire Wire Line 3000 2850 3000 2950 Wire Wire Line 3000 2850 3250 2850 Wire Wire Line 3250 2850 3250 3500 Wire Wire Line 3250 2850 3350 2850 Wire Wire Line 3350 2850 3350 3500 Connection ~ 3250 2850 Wire Wire Line 3350 2850 3550 2850 Wire Wire Line 3550 2850 3550 3500 Connection ~ 3350 2850 Wire Wire Line 3000 3250 3000 3350 Wire Wire Line 2100 3350 2100 3250 $Comp L power:GND #PWR0121 U 1 1 61FBADA3 P 2550 3450 F 0 "#PWR0121" H 2550 3200 50 0001 C CNN F 1 "GND" H 2555 3277 50 0000 C CNN F 2 "" H 2550 3450 50 0001 C CNN F 3 "" H 2550 3450 50 0001 C CNN 1 2550 3450 1 0 0 -1 $EndComp Wire Wire Line 2100 2850 2550 2850 Connection ~ 2550 2850 Connection ~ 3000 2850 Wire Wire Line 2550 3250 2550 3350 Wire Wire Line 2100 3350 2550 3350 Connection ~ 2550 3350 Wire Wire Line 2550 3350 2550 3450 Wire Wire Line 2550 3350 3000 3350 Wire Wire Line 3700 3500 3700 2850 Wire Wire Line 3700 2850 3900 2850 Wire Wire Line 4700 2650 4700 3500 Wire Wire Line 4550 3500 4550 2850 Connection ~ 4550 2850 Wire Wire Line 4400 3500 4400 2850 Connection ~ 4400 2850 Wire Wire Line 4400 2850 4550 2850 Wire Wire Line 4300 3500 4300 2850 Connection ~ 4300 2850 Wire Wire Line 4300 2850 4400 2850 Wire Wire Line 4200 3500 4200 2850 Connection ~ 4200 2850 Wire Wire Line 4200 2850 4300 2850 Wire Wire Line 4100 3500 4100 2850 Connection ~ 4100 2850 Wire Wire Line 4100 2850 4200 2850 Wire Wire Line 4000 3500 4000 2850 Connection ~ 4000 2850 Wire Wire Line 4000 2850 4100 2850 Wire Wire Line 3900 3500 3900 2850 Connection ~ 3900 2850 Wire Wire Line 3900 2850 4000 2850 $Comp L power:+1V1 #PWR0122 U 1 1 62044792 P 3550 2700 F 0 "#PWR0122" H 3550 2550 50 0001 C CNN F 1 "+1V1" H 3565 2873 50 0000 C CNN F 2 "" H 3550 2700 50 0001 C CNN F 3 "" H 3550 2700 50 0001 C CNN 1 3550 2700 1 0 0 -1 $EndComp Wire Wire Line 3550 2700 3550 2850 Connection ~ 3550 2850 Wire Wire Line 2550 2850 3000 2850 $Comp L power:+3V3 #PWR0123 U 1 1 620683E7 P 4550 1850 F 0 "#PWR0123" H 4550 1700 50 0001 C CNN F 1 "+3V3" H 4565 2023 50 0000 C CNN F 2 "" H 4550 1850 50 0001 C CNN F 3 "" H 4550 1850 50 0001 C CNN 1 4550 1850 1 0 0 -1 $EndComp $Comp L power:+3.3VADC #PWR0124 U 1 1 62074A11 P 4900 1850 F 0 "#PWR0124" H 5050 1800 50 0001 C CNN F 1 "+3.3VADC" H 4915 2023 50 0000 C CNN F 2 "" H 4900 1850 50 0001 C CNN F 3 "" H 4900 1850 50 0001 C CNN 1 4900 1850 1 0 0 -1 $EndComp Wire Wire Line 4900 2200 4900 2650 Wire Wire Line 4900 2650 4700 2650 Wire Wire Line 4900 2200 4900 1900 Connection ~ 4900 2200 $Comp L Device:C C106 U 1 1 620D5D7C P 4900 2950 F 0 "C106" H 5015 2996 50 0000 L CNN F 1 "1uF" H 5015 2905 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 4938 2800 50 0001 C CNN F 3 "~" H 4900 2950 50 0001 C CNN 1 4900 2950 1 0 0 -1 $EndComp Wire Wire Line 4900 2800 4900 2650 Connection ~ 4900 2650 $Comp L power:GND #PWR0125 U 1 1 620E606F P 4900 3150 F 0 "#PWR0125" H 4900 2900 50 0001 C CNN F 1 "GND" H 4905 2977 50 0000 C CNN F 2 "" H 4900 3150 50 0001 C CNN F 3 "" H 4900 3150 50 0001 C CNN 1 4900 3150 1 0 0 -1 $EndComp Wire Wire Line 4900 3150 4900 3100 Text Notes 2800 2800 0 50 ~ 0 put C105\nclose to\nVREG_VOUT Text Notes 5050 3300 0 50 ~ 0 put C106\nclose to\nVREG_IN $Comp L Device:C C107 U 1 1 620F67E5 P 5500 2950 F 0 "C107" H 5615 2996 50 0000 L CNN F 1 "100nF" H 5615 2905 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 5538 2800 50 0001 C CNN F 3 "~" H 5500 2950 50 0001 C CNN 1 5500 2950 1 0 0 -1 $EndComp $Comp L Device:C C109 U 1 1 620F7A4D P 5950 2950 F 0 "C109" H 6065 2996 50 0000 L CNN F 1 "100nF" H 6065 2905 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 5988 2800 50 0001 C CNN F 3 "~" H 5950 2950 50 0001 C CNN 1 5950 2950 1 0 0 -1 $EndComp $Comp L Device:C C111 U 1 1 62102241 P 6400 2950 F 0 "C111" H 6515 2996 50 0000 L CNN F 1 "100nF" H 6515 2905 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 6438 2800 50 0001 C CNN F 3 "~" H 6400 2950 50 0001 C CNN 1 6400 2950 1 0 0 -1 $EndComp $Comp L Device:C C108 U 1 1 6210CD7D P 5500 2150 F 0 "C108" H 5615 2196 50 0000 L CNN F 1 "100nF" H 5615 2105 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 5538 2000 50 0001 C CNN F 3 "~" H 5500 2150 50 0001 C CNN 1 5500 2150 1 0 0 -1 $EndComp $Comp L Device:C C110 U 1 1 6211881F P 5950 2150 F 0 "C110" H 6065 2196 50 0000 L CNN F 1 "100nF" H 6065 2105 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 5988 2000 50 0001 C CNN F 3 "~" H 5950 2150 50 0001 C CNN 1 5950 2150 1 0 0 -1 $EndComp $Comp L Device:C C112 U 1 1 621230C8 P 6400 2150 F 0 "C112" H 6515 2196 50 0000 L CNN F 1 "100nF" H 6515 2105 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 6438 2000 50 0001 C CNN F 3 "~" H 6400 2150 50 0001 C CNN 1 6400 2150 1 0 0 -1 $EndComp $Comp L Device:C C113 U 1 1 6212EE46 P 6800 2550 F 0 "C113" H 6915 2596 50 0000 L CNN F 1 "100nF" H 6915 2505 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 6838 2400 50 0001 C CNN F 3 "~" H 6800 2550 50 0001 C CNN 1 6800 2550 1 0 0 -1 $EndComp Wire Wire Line 4900 2650 5500 2650 Wire Wire Line 5500 2650 5500 2800 Wire Wire Line 5500 2650 5950 2650 Wire Wire Line 5950 2650 5950 2800 Connection ~ 5500 2650 Wire Wire Line 5950 2650 6400 2650 Wire Wire Line 6400 2650 6400 2800 Connection ~ 5950 2650 Wire Wire Line 4900 1900 5500 1900 Wire Wire Line 5500 1900 5500 2000 Connection ~ 4900 1900 Wire Wire Line 4900 1900 4900 1850 Wire Wire Line 5500 1900 5950 1900 Wire Wire Line 5950 1900 5950 2000 Connection ~ 5500 1900 Wire Wire Line 5950 1900 6400 1900 Wire Wire Line 6400 1900 6400 2000 Connection ~ 5950 1900 Wire Wire Line 5500 2300 5500 2350 Wire Wire Line 5500 2350 5950 2350 Wire Wire Line 6400 2350 6400 2300 Wire Wire Line 5950 2300 5950 2350 Connection ~ 5950 2350 Wire Wire Line 5950 2350 6400 2350 Wire Wire Line 6400 3100 6400 3200 Wire Wire Line 6400 3200 5950 3200 Wire Wire Line 5500 3200 5500 3100 Wire Wire Line 5950 3100 5950 3200 Connection ~ 5950 3200 Wire Wire Line 5950 3200 5500 3200 Wire Wire Line 5950 2350 5950 2400 Wire Wire Line 5950 3200 5950 3300 $Comp L power:GND #PWR0126 U 1 1 621C8A5C P 5950 3300 F 0 "#PWR0126" H 5950 3050 50 0001 C CNN F 1 "GND" H 5955 3127 50 0000 C CNN F 2 "" H 5950 3300 50 0001 C CNN F 3 "" H 5950 3300 50 0001 C CNN 1 5950 3300 1 0 0 -1 $EndComp $Comp L power:GND #PWR0127 U 1 1 621C9234 P 5950 2400 F 0 "#PWR0127" H 5950 2150 50 0001 C CNN F 1 "GND" H 5955 2227 50 0000 C CNN F 2 "" H 5950 2400 50 0001 C CNN F 3 "" H 5950 2400 50 0001 C CNN 1 5950 2400 1 0 0 -1 $EndComp Wire Wire Line 6400 2650 6550 2650 Wire Wire Line 6550 2650 6550 2400 Wire Wire Line 6550 2400 6800 2400 Connection ~ 6400 2650 Wire Wire Line 6800 2700 6800 3200 Wire Wire Line 6800 3200 6400 3200 Connection ~ 6400 3200 $Comp L Device:R R101 U 1 1 622C9762 P 2500 4250 F 0 "R101" V 2293 4250 50 0000 C CNN F 1 "1k" V 2384 4250 50 0000 C CNN F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 2430 4250 50 0001 C CNN F 3 "~" H 2500 4250 50 0001 C CNN 1 2500 4250 0 1 1 0 $EndComp $Comp L power:GND #PWR0129 U 1 1 622CB400 P 2200 4250 F 0 "#PWR0129" H 2200 4000 50 0001 C CNN F 1 "GND" V 2205 4122 50 0000 R CNN F 2 "" H 2200 4250 50 0001 C CNN F 3 "" H 2200 4250 50 0001 C CNN 1 2200 4250 0 1 1 0 $EndComp Wire Wire Line 2200 4250 2350 4250 Wire Wire Line 2650 4250 2800 4250 $Comp L Device:R R102 U 1 1 622FB186 P 5600 3700 F 0 "R102" V 5393 3700 50 0000 C CNN F 1 "27.4" V 5484 3700 50 0000 C CNN F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 5530 3700 50 0001 C CNN F 3 "~" H 5600 3700 50 0001 C CNN 1 5600 3700 0 1 1 0 $EndComp $Comp L Device:R R103 U 1 1 622FBC32 P 5600 4000 F 0 "R103" V 5393 4000 50 0000 C CNN F 1 "27.4" V 5484 4000 50 0000 C CNN F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 5530 4000 50 0001 C CNN F 3 "~" H 5600 4000 50 0001 C CNN 1 5600 4000 0 1 1 0 $EndComp Wire Wire Line 5450 3700 5400 3700 Wire Wire Line 5400 3700 5400 3800 Wire Wire Line 5400 3800 5300 3800 Wire Wire Line 5300 3900 5400 3900 Wire Wire Line 5400 3900 5400 4000 Wire Wire Line 5400 4000 5450 4000 Wire Wire Line 5750 3700 5850 3700 Wire Wire Line 5850 3700 5850 3800 Wire Wire Line 5850 3800 6450 3800 Wire Wire Line 5850 3900 5850 4000 Wire Wire Line 5850 4000 5750 4000 Wire Wire Line 5850 3900 6450 3900 Text Notes 5900 4100 0 50 ~ 0 put R102,R103\nclose to RP2040 $Comp L Device:R R104 U 1 1 62397B94 P 2500 5950 F 0 "R104" V 2293 5950 50 0000 C CNN F 1 "1k" V 2384 5950 50 0000 C CNN F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 2430 5950 50 0001 C CNN F 3 "~" H 2500 5950 50 0001 C CNN 1 2500 5950 0 1 1 0 $EndComp Wire Wire Line 2650 5950 2700 5950 Wire Wire Line 2700 5950 2700 5800 Wire Wire Line 2700 5800 2800 5800 $Comp L Device:Crystal Y100 U 1 1 623CA0B4 P 1950 5750 F 0 "Y100" V 1996 5619 50 0000 R CNN F 1 "Crystal" V 1905 5619 50 0000 R CNN F 2 "MCU_RaspberryPi_and_Boards:Crystal_SMD_HC49-US" H 1950 5750 50 0001 C CNN F 3 "~" H 1950 5750 50 0001 C CNN 1 1950 5750 0 -1 -1 0 $EndComp Wire Wire Line 2350 5950 1950 5950 Wire Wire Line 1950 5950 1950 5900 Wire Wire Line 1950 5550 2700 5550 $Comp L Device:C C114 U 1 1 623EBF97 P 1600 5550 F 0 "C114" V 1348 5550 50 0000 C CNN F 1 "27pF" V 1439 5550 50 0000 C CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 1638 5400 50 0001 C CNN F 3 "~" H 1600 5550 50 0001 C CNN 1 1600 5550 0 1 1 0 $EndComp $Comp L Device:C C115 U 1 1 623EC70C P 1600 5950 F 0 "C115" V 1348 5950 50 0000 C CNN F 1 "27pF" V 1439 5950 50 0000 C CNN F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 1638 5800 50 0001 C CNN F 3 "~" H 1600 5950 50 0001 C CNN 1 1600 5950 0 1 1 0 $EndComp Wire Wire Line 1950 5600 1950 5550 Wire Wire Line 2800 5600 2700 5600 Wire Wire Line 2700 5600 2700 5550 Wire Wire Line 1950 5550 1750 5550 Connection ~ 1950 5550 Wire Wire Line 1750 5950 1950 5950 Connection ~ 1950 5950 Wire Wire Line 1450 5950 1350 5950 Wire Wire Line 1350 5950 1350 5550 Wire Wire Line 1350 5550 1450 5550 $Comp L power:GND #PWR0130 U 1 1 62456657 P 1350 6050 F 0 "#PWR0130" H 1350 5800 50 0001 C CNN F 1 "GND" H 1355 5877 50 0000 C CNN F 2 "" H 1350 6050 50 0001 C CNN F 3 "" H 1350 6050 50 0001 C CNN 1 1350 6050 1 0 0 -1 $EndComp Wire Wire Line 1350 6050 1350 5950 Connection ~ 1350 5950 Text Notes 6300 5050 0 50 ~ 0 Provide the possibility to\nplace a Pico on the board,\nor use a soldered-on\nRP2040 (no flash) instead. Text Notes 2150 1900 0 50 ~ 0 3V3 power supply for RP2040,\na simple LDO. Wire Notes Line 500 2350 4050 2350 Wire Notes Line 4050 2350 4050 500 Wire Notes Line 6300 500 6300 1750 Wire Notes Line 6850 1750 6850 2200 Wire Notes Line 6850 2200 7300 2200 Wire Notes Line 7300 2200 7300 2350 Wire Notes Line 7300 2350 11200 2350 Wire Notes Line 6300 1750 6850 1750 Wire Notes Line 6250 500 6250 1800 Wire Notes Line 6250 1800 6800 1800 Wire Notes Line 6800 1800 6800 2250 Wire Notes Line 6800 2250 7250 2250 Wire Notes Line 7250 2250 7250 2400 Wire Notes Line 7250 2400 11200 2400 Wire Notes Line 7600 2400 7600 6550 Wire Notes Line 7550 6550 7550 2400 Text Notes 850 4850 0 50 ~ 0 Basic RP2040 stuff with:\n* Decoupling caps\n* Crystal (need one for good glitch timings)\n* External reset\n* No flash, bootloader mode only Wire Wire Line 4850 2200 4900 2200 Wire Wire Line 4550 1850 4550 2200 $Comp L Device:Jumper_NO_Small JP100 U 1 1 6284F2DA P 4750 2200 F 0 "JP100" H 4750 2385 50 0000 C CNN F 1 "Jumper_NO_Small" H 4750 2294 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 4750 2200 50 0001 C CNN F 3 "~" H 4750 2200 50 0001 C CNN 1 4750 2200 1 0 0 -1 $EndComp Wire Wire Line 4650 2200 4550 2200 Connection ~ 4550 2200 Wire Wire Line 4550 2200 4550 2850 Text Notes 4300 1550 0 50 ~ 0 Place jumper when using\nonboard RP2040 and not\nusing an external 3V3 ref\nfor analog stuff. Otherwise,\ndisconnect. Wire Wire Line 2650 6300 2800 6300 NoConn ~ 10050 4600 NoConn ~ 9900 4600 $Comp L Connector_Generic:Conn_01x04 J100 U 1 1 62C7C504 P 7350 900 F 0 "J100" H 7268 475 50 0000 C CNN F 1 "Conn_01x04" H 7268 566 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 7350 900 50 0001 C CNN F 3 "~" H 7350 900 50 0001 C CNN 1 7350 900 -1 0 0 1 $EndComp $Comp L power:+3V3 #PWR0110 U 1 1 62C7F2AD P 7700 1000 F 0 "#PWR0110" H 7700 850 50 0001 C CNN F 1 "+3V3" V 7715 1128 50 0000 L CNN F 2 "" H 7700 1000 50 0001 C CNN F 3 "" H 7700 1000 50 0001 C CNN 1 7700 1000 0 1 1 0 $EndComp Wire Wire Line 7550 1000 7700 1000 Wire Wire Line 7550 700 7700 700 $Comp L power:GND #PWR0111 U 1 1 62C7F2B5 P 7700 700 F 0 "#PWR0111" H 7700 450 50 0001 C CNN F 1 "GND" V 7705 572 50 0000 R CNN F 2 "" H 7700 700 50 0001 C CNN F 3 "" H 7700 700 50 0001 C CNN 1 7700 700 0 -1 -1 0 $EndComp Text GLabel 7650 900 2 50 Input ~ 0 UART_TX Text GLabel 7650 800 2 50 Input ~ 0 UART_RX Wire Wire Line 7550 900 7650 900 Wire Wire Line 7650 800 7550 800 $Comp L Connector_Generic:Conn_01x05 J101 U 1 1 62CC5616 P 8000 1900 F 0 "J101" H 7918 1475 50 0000 C CNN F 1 "Conn_01x05" H 7918 1566 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical" H 8000 1900 50 0001 C CNN F 3 "~" H 8000 1900 50 0001 C CNN 1 8000 1900 -1 0 0 1 $EndComp Wire Wire Line 8200 1900 8550 1900 Text Label 8550 1900 2 50 ~ 0 SWCLK Wire Wire Line 8200 2000 8550 2000 Text Label 8550 2000 2 50 ~ 0 SWDIO $Comp L power:+3V3 #PWR0151 U 1 1 62CD93D1 P 8350 1800 F 0 "#PWR0151" H 8350 1650 50 0001 C CNN F 1 "+3V3" V 8365 1928 50 0000 L CNN F 2 "" H 8350 1800 50 0001 C CNN F 3 "" H 8350 1800 50 0001 C CNN 1 8350 1800 0 1 1 0 $EndComp Wire Wire Line 8200 1800 8350 1800 Wire Wire Line 8200 1700 8350 1700 $Comp L power:GND #PWR0154 U 1 1 62CD93D9 P 8350 1700 F 0 "#PWR0154" H 8350 1450 50 0001 C CNN F 1 "GND" V 8355 1572 50 0000 R CNN F 2 "" H 8350 1700 50 0001 C CNN F 3 "" H 8350 1700 50 0001 C CNN 1 8350 1700 0 -1 -1 0 $EndComp Wire Wire Line 8200 2100 10050 2100 Wire Wire Line 10050 2100 10050 1300 Connection ~ 10050 1300 $EndSCHEMATC