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:2.4GHZ_2450FB15L0001 LIBS:6multi LIBS:23lc1024 LIBS:25q40b LIBS:74hc390 LIBS:74hc4067 LIBS:1206network LIBS:4427 LIBS:5050RGB LIBS:7805 LIBS:7805to220 LIBS:a4447sljtr LIBS:ad9216 LIBS:adc-ltc2450 LIBS:ak5358b LIBS:ap1117 LIBS:atmega48_88_168_328_tqfp32 LIBS:atmega1284rfr2 LIBS:atmegax8pb LIBS:atmegaxu2 LIBS:atmel_kk LIBS:attiny441 LIBS:attiny441-qfn LIBS:attinyx4 LIBS:attinyx5 LIBS:attinyx61 LIBS:atx_power LIBS:avr6pin LIBS:avr_usb_3v3-cache LIBS:BELFuse_Ethernet LIBS:bluetoothedpa LIBS:bmp085 LIBS:bmp280 LIBS:bridge-MB2S-TP LIBS:can_sn65hvd251qdrq1 LIBS:cap1128 LIBS:cd4021 LIBS:choke LIBS:cp2104 LIBS:crystal-4p LIBS:cyusb3012 LIBS:diode-to-277-3 LIBS:dmp2240udm LIBS:ds2438z LIBS:dualopamp LIBS:enc424j600 LIBS:esp12e LIBS:esp32 LIBS:esp8266ex LIBS:esp8266-wi07-6 LIBS:exb-a LIBS:flipflop-sn74lvc1g175 LIBS:ft600q LIBS:halleffect-tcs20dlr LIBS:hv9910c LIBS:ir2101 LIBS:isl3177 LIBS:isol_adum1201brz LIBS:jfet-n_sot-23 LIBS:ksz8081rn LIBS:l6470 LIBS:l6470-powerso36 LIBS:l6474 LIBS:lan8720a LIBS:lis3mdl LIBS:lm386 LIBS:LNK3202 LIBS:lsm9ds0 LIBS:lsm9ds1 LIBS:lsm303c LIBS:lsm303d LIBS:lsm303dlhc LIBS:LSM9DS1 LIBS:ltc2471cms LIBS:ltv-846s LIBS:lvt-816s LIBS:mag3110 LIBS:max3010x LIBS:max31855 LIBS:mcp1803 LIBS:mcp1804 LIBS:mcp1824_ct LIBS:mcp23008-qfn LIBS:mcp23008-soic LIBS:memi2c_m24m02-dr LIBS:mfrc522 LIBS:mic550x-reg LIBS:microsd_1050270001 LIBS:mma8653fc-accel LIBS:mmpq2907a LIBS:mosdriver_ncp5901bmntbg LIBS:mosfet-lfpak56 LIBS:mosfetx2vdfn8 LIBS:mos_n_w_diode LIBS:mos_p_d2 LIBS:mpl3115a2 LIBS:mpu-9250 LIBS:ms5611-01ba03 LIBS:neon14 LIBS:network0606 LIBS:nor-nc7sz02p5x LIBS:npn-2222 LIBS:opa832 LIBS:opamp_mcp6001t LIBS:opto2-ltv-826s LIBS:opto-logic-tlp2361 LIBS:ov2640_ribbon LIBS:pcb_bom LIBS:pfetsot223 LIBS:pfetwsmini6-f1-b LIBS:photomos LIBS:pl140c LIBS:pnp-sot23 LIBS:protect_ncp360snt1g LIBS:pusb2x4y LIBS:pwrcnv_nxe1s0305mc-r7 LIBS:resonator6smd LIBS:rn-cay16-f4 LIBS:rs485-isl3170 LIBS:sp485cn LIBS:sp3010-04utg LIBS:stbc08-battcharger LIBS:stm32f042-lqfp32 LIBS:stm32f207 LIBS:stm32f301 LIBS:stm32f303 LIBS:stm32f303_32 LIBS:stm32f407_100 LIBS:tactile LIBS:tcs3x7x LIBS:tlv320adc3101 LIBS:tlv711 LIBS:tusb2077a LIBS:tvs2-wurth-82400102 LIBS:tvs-2x LIBS:tvs-bidirection LIBS:um5k1ntr LIBS:usb3-gsb443133hr LIBS:usbmicrob-10118194-0001lf LIBS:usb-prot-ip4220cz6 LIBS:ws2812b LIBS:ws_switch LIBS:xfrmr2x2 LIBS:zener-sot23-3 EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L STM32F042-LQFP32 U2 U 1 1 598A5F94 P 3500 2500 F 0 "U2" H 3500 2500 60 0000 C CNN F 1 "STM32F042-LQFP32" H 4400 1850 60 0000 C CNN F 2 "TQFP-32_7x7mm_Pitch0.8mm" H 3350 2450 60 0001 C CNN F 3 "" H 3350 2450 60 0000 C CNN 1 3500 2500 1 0 0 -1 $EndComp $Comp L GND #PWR01 U 1 1 598A601E P 3250 1700 F 0 "#PWR01" H 3250 1450 50 0001 C CNN F 1 "GND" H 3250 1550 50 0000 C CNN F 2 "" H 3250 1700 50 0001 C CNN F 3 "" H 3250 1700 50 0001 C CNN 1 3250 1700 -1 0 0 1 $EndComp $Comp L GND #PWR02 U 1 1 598A6034 P 3150 1700 F 0 "#PWR02" H 3150 1450 50 0001 C CNN F 1 "GND" H 3150 1550 50 0000 C CNN F 2 "" H 3150 1700 50 0001 C CNN F 3 "" H 3150 1700 50 0001 C CNN 1 3150 1700 -1 0 0 1 $EndComp $Comp L +3.3V #PWR03 U 1 1 598A6080 P 2700 2150 F 0 "#PWR03" H 2700 2000 50 0001 C CNN F 1 "+3.3V" H 2700 2290 50 0000 C CNN F 2 "" H 2700 2150 50 0001 C CNN F 3 "" H 2700 2150 50 0001 C CNN 1 2700 2150 0 -1 -1 0 $EndComp $Comp L XTAL4P X1 U 1 1 598A609A P 1800 2150 F 0 "X1" H 1800 2300 60 0000 C CNN F 1 "XTAL4P" H 1800 2000 60 0000 C CNN F 2 "XTAL4P" H 1800 2150 60 0000 C CNN F 3 "" H 1800 2150 60 0000 C CNN 1 1800 2150 1 0 0 -1 $EndComp $Comp L GND #PWR04 U 1 1 598A60CB P 1750 2450 F 0 "#PWR04" H 1750 2200 50 0001 C CNN F 1 "GND" H 1750 2300 50 0000 C CNN F 2 "" H 1750 2450 50 0001 C CNN F 3 "" H 1750 2450 50 0001 C CNN 1 1750 2450 1 0 0 -1 $EndComp $Comp L GND #PWR05 U 1 1 598A60DC P 1850 2450 F 0 "#PWR05" H 1850 2200 50 0001 C CNN F 1 "GND" H 1850 2300 50 0000 C CNN F 2 "" H 1850 2450 50 0001 C CNN F 3 "" H 1850 2450 50 0001 C CNN 1 1850 2450 1 0 0 -1 $EndComp $Comp L C C1 U 1 1 598A614D P 1450 2450 F 0 "C1" H 1475 2550 50 0000 L CNN F 1 "8pf" H 1475 2350 50 0000 L CNN F 2 "C_0805" H 1488 2300 50 0001 C CNN F 3 "" H 1450 2450 50 0001 C CNN 1 1450 2450 1 0 0 -1 $EndComp $Comp L C C2 U 1 1 598A619A P 2100 2450 F 0 "C2" H 2125 2550 50 0000 L CNN F 1 "8pf" H 2125 2350 50 0000 L CNN F 2 "C_0805" H 2138 2300 50 0001 C CNN F 3 "" H 2100 2450 50 0001 C CNN 1 2100 2450 1 0 0 -1 $EndComp $Comp L GND #PWR06 U 1 1 598A61EC P 1450 2600 F 0 "#PWR06" H 1450 2350 50 0001 C CNN F 1 "GND" H 1450 2450 50 0000 C CNN F 2 "" H 1450 2600 50 0001 C CNN F 3 "" H 1450 2600 50 0001 C CNN 1 1450 2600 1 0 0 -1 $EndComp $Comp L GND #PWR07 U 1 1 598A6203 P 2100 2600 F 0 "#PWR07" H 2100 2350 50 0001 C CNN F 1 "GND" H 2100 2450 50 0000 C CNN F 2 "" H 2100 2600 50 0001 C CNN F 3 "" H 2100 2600 50 0001 C CNN 1 2100 2600 1 0 0 -1 $EndComp Wire Wire Line 2700 2350 2250 2350 Wire Wire Line 2250 2350 2250 2000 Wire Wire Line 2250 2000 1450 2000 Wire Wire Line 1500 2000 1500 2150 Wire Wire Line 2100 2150 2100 2300 Wire Wire Line 2100 2250 2700 2250 Connection ~ 2100 2250 Wire Wire Line 1450 2000 1450 2300 Connection ~ 1500 2000 Text GLabel 4300 2150 2 60 Input ~ 0 SWC Text GLabel 4300 2250 2 60 Input ~ 0 SWD $Comp L CONN_02X05 J1 U 1 1 598A63BC P 1700 1250 F 0 "J1" H 1700 1550 50 0000 C CNN F 1 "PGM" H 1700 950 50 0000 C CNN F 2 "RIBBON10SMT" H 1700 50 50 0001 C CNN F 3 "" H 1700 50 50 0001 C CNN 1 1700 1250 1 0 0 -1 $EndComp Text GLabel 1950 1050 2 60 Input ~ 0 SWC Text GLabel 1950 1150 2 60 Input ~ 0 SWD Text GLabel 1450 1050 0 60 Input ~ 0 ~RST~ $Comp L +3.3V #PWR08 U 1 1 598A64FC P 1450 1450 F 0 "#PWR08" H 1450 1300 50 0001 C CNN F 1 "+3.3V" H 1450 1590 50 0000 C CNN F 2 "" H 1450 1450 50 0001 C CNN F 3 "" H 1450 1450 50 0001 C CNN 1 1450 1450 0 -1 -1 0 $EndComp $Comp L +3.3V #PWR09 U 1 1 598A652A P 1950 1450 F 0 "#PWR09" H 1950 1300 50 0001 C CNN F 1 "+3.3V" H 1950 1590 50 0000 C CNN F 2 "" H 1950 1450 50 0001 C CNN F 3 "" H 1950 1450 50 0001 C CNN 1 1950 1450 0 1 1 0 $EndComp $Comp L GND #PWR010 U 1 1 598A6544 P 1950 1250 F 0 "#PWR010" H 1950 1000 50 0001 C CNN F 1 "GND" H 1950 1100 50 0000 C CNN F 2 "" H 1950 1250 50 0001 C CNN F 3 "" H 1950 1250 50 0001 C CNN 1 1950 1250 0 -1 -1 0 $EndComp $Comp L GND #PWR011 U 1 1 598A655E P 1450 1250 F 0 "#PWR011" H 1450 1000 50 0001 C CNN F 1 "GND" H 1450 1100 50 0000 C CNN F 2 "" H 1450 1250 50 0001 C CNN F 3 "" H 1450 1250 50 0001 C CNN 1 1450 1250 0 1 1 0 $EndComp $Comp L +5V #PWR012 U 1 1 598A6575 P 1950 1350 F 0 "#PWR012" H 1950 1200 50 0001 C CNN F 1 "+5V" H 1950 1490 50 0000 C CNN F 2 "" H 1950 1350 50 0001 C CNN F 3 "" H 1950 1350 50 0001 C CNN 1 1950 1350 0 1 1 0 $EndComp $Comp L +5V #PWR013 U 1 1 598A6596 P 1450 1350 F 0 "#PWR013" H 1450 1200 50 0001 C CNN F 1 "+5V" H 1450 1490 50 0000 C CNN F 2 "" H 1450 1350 50 0001 C CNN F 3 "" H 1450 1350 50 0001 C CNN 1 1450 1350 0 -1 -1 0 $EndComp $Comp L CONN_7 P1 U 1 1 598A664D P 5400 950 F 0 "P1" V 5370 950 60 0000 C CNN F 1 "CONN_7" V 5470 950 60 0000 C CNN F 2 "USB_Mini-B" H 5400 950 60 0000 C CNN F 3 "" H 5400 950 60 0000 C CNN 1 5400 950 0 -1 -1 0 $EndComp $Comp L R R1 U 1 1 598A6734 P 5200 1800 F 0 "R1" V 5280 1800 50 0000 C CNN F 1 "33" V 5200 1800 50 0000 C CNN F 2 "R_0805" V 5130 1800 50 0001 C CNN F 3 "" H 5200 1800 50 0001 C CNN 1 5200 1800 1 0 0 -1 $EndComp Wire Wire Line 5200 1300 5200 1650 Text GLabel 5200 1550 0 60 Input ~ 0 DM Text GLabel 5300 1450 0 60 Input ~ 0 DP Wire Wire Line 5300 1300 5300 1650 $Comp L R R2 U 1 1 598A6864 P 5300 1800 F 0 "R2" V 5380 1800 50 0000 C CNN F 1 "33" V 5300 1800 50 0000 C CNN F 2 "R_0805" V 5230 1800 50 0001 C CNN F 3 "" H 5300 1800 50 0001 C CNN 1 5300 1800 1 0 0 -1 $EndComp Wire Wire Line 5200 1950 5200 2450 Wire Wire Line 5200 2450 4300 2450 Wire Wire Line 4300 2350 5300 2350 Wire Wire Line 5300 2350 5300 1950 $Comp L +5V #PWR014 U 1 1 598A6A26 P 5100 1300 F 0 "#PWR014" H 5100 1150 50 0001 C CNN F 1 "+5V" H 5100 1440 50 0000 C CNN F 2 "" H 5100 1300 50 0001 C CNN F 3 "" H 5100 1300 50 0001 C CNN 1 5100 1300 0 -1 -1 0 $EndComp $Comp L GND #PWR015 U 1 1 598A6A49 P 5500 1300 F 0 "#PWR015" H 5500 1050 50 0001 C CNN F 1 "GND" H 5500 1150 50 0000 C CNN F 2 "" H 5500 1300 50 0001 C CNN F 3 "" H 5500 1300 50 0001 C CNN 1 5500 1300 1 0 0 -1 $EndComp $Comp L GND #PWR016 U 1 1 598A6A6C P 5600 1300 F 0 "#PWR016" H 5600 1050 50 0001 C CNN F 1 "GND" H 5600 1150 50 0000 C CNN F 2 "" H 5600 1300 50 0001 C CNN F 3 "" H 5600 1300 50 0001 C CNN 1 5600 1300 1 0 0 -1 $EndComp $Comp L GND #PWR017 U 1 1 598A6A8F P 5700 1300 F 0 "#PWR017" H 5700 1050 50 0001 C CNN F 1 "GND" H 5700 1150 50 0000 C CNN F 2 "" H 5700 1300 50 0001 C CNN F 3 "" H 5700 1300 50 0001 C CNN 1 5700 1300 1 0 0 -1 $EndComp $Comp L MCP1824 U1 U 1 1 598A6AAC P 3450 950 F 0 "U1" H 3200 1250 60 0000 C CNN F 1 "MCP1824" H 3550 650 60 0000 C CNN F 2 "SOT-23-5" H 3450 950 60 0001 C CNN F 3 "" H 3450 950 60 0001 C CNN 1 3450 950 1 0 0 -1 $EndComp $Comp L GND #PWR018 U 1 1 598A6B16 P 2850 950 F 0 "#PWR018" H 2850 700 50 0001 C CNN F 1 "GND" H 2850 800 50 0000 C CNN F 2 "" H 2850 950 50 0001 C CNN F 3 "" H 2850 950 50 0001 C CNN 1 2850 950 0 1 1 0 $EndComp $Comp L +3.3V #PWR019 U 1 1 598A6B3C P 4050 850 F 0 "#PWR019" H 4050 700 50 0001 C CNN F 1 "+3.3V" H 4050 990 50 0000 C CNN F 2 "" H 4050 850 50 0001 C CNN F 3 "" H 4050 850 50 0001 C CNN 1 4050 850 0 1 1 0 $EndComp $Comp L +5V #PWR020 U 1 1 598A6B6B P 2850 850 F 0 "#PWR020" H 2850 700 50 0001 C CNN F 1 "+5V" H 2850 990 50 0000 C CNN F 2 "" H 2850 850 50 0001 C CNN F 3 "" H 2850 850 50 0001 C CNN 1 2850 850 0 -1 -1 0 $EndComp $Comp L +5V #PWR021 U 1 1 598A6B91 P 2850 1050 F 0 "#PWR021" H 2850 900 50 0001 C CNN F 1 "+5V" H 2850 1190 50 0000 C CNN F 2 "" H 2850 1050 50 0001 C CNN F 3 "" H 2850 1050 50 0001 C CNN 1 2850 1050 0 -1 -1 0 $EndComp Text GLabel 2700 2450 0 60 Input ~ 0 ~RST~ $Comp L +3.3V #PWR022 U 1 1 598A6EE7 P 2700 2550 F 0 "#PWR022" H 2700 2400 50 0001 C CNN F 1 "+3.3V" H 2700 2690 50 0000 C CNN F 2 "" H 2700 2550 50 0001 C CNN F 3 "" H 2700 2550 50 0001 C CNN 1 2700 2550 0 -1 -1 0 $EndComp $Comp L +3.3V #PWR023 U 1 1 598A6F0D P 4300 2850 F 0 "#PWR023" H 4300 2700 50 0001 C CNN F 1 "+3.3V" H 4300 2990 50 0000 C CNN F 2 "" H 4300 2850 50 0001 C CNN F 3 "" H 4300 2850 50 0001 C CNN 1 4300 2850 0 1 -1 0 $EndComp $Comp L CONN_02X05 J2 U 1 1 598A7023 P 3200 3900 F 0 "J2" H 3200 4200 50 0000 C CNN F 1 "CONN_02X05" H 3200 3600 50 0000 C CNN F 2 "RIBBON10SMT" H 3200 2700 50 0001 C CNN F 3 "" H 3200 2700 50 0001 C CNN 1 3200 3900 0 1 1 0 $EndComp Wire Wire Line 2700 2650 2450 2650 Wire Wire Line 2450 2650 2450 3500 Wire Wire Line 2450 3500 3000 3500 Wire Wire Line 3000 3500 3000 3650 Wire Wire Line 2700 2750 2550 2750 Wire Wire Line 2550 2750 2550 4150 Wire Wire Line 2550 4150 3000 4150 Wire Wire Line 2700 2850 2700 3400 Wire Wire Line 2700 3400 3100 3400 Wire Wire Line 3100 3400 3100 3650 Wire Wire Line 3150 3300 3150 4150 Wire Wire Line 3150 4150 3100 4150 Wire Wire Line 3200 3650 3200 3450 Wire Wire Line 3200 3450 3250 3450 Wire Wire Line 3250 3450 3250 3300 Wire Wire Line 3350 3300 3350 3550 Wire Wire Line 3350 3550 3250 3550 Wire Wire Line 3250 3550 3250 4150 Wire Wire Line 3250 4150 3200 4150 Wire Wire Line 3300 3650 3300 3600 Wire Wire Line 3300 3600 3450 3600 Wire Wire Line 3450 3600 3450 3300 Wire Wire Line 3550 3300 3550 4250 Wire Wire Line 3550 4250 3300 4250 Wire Wire Line 3300 4250 3300 4150 $Comp L GND #PWR024 U 1 1 598A72C8 P 3850 3300 F 0 "#PWR024" H 3850 3050 50 0001 C CNN F 1 "GND" H 3850 3150 50 0000 C CNN F 2 "" H 3850 3300 50 0001 C CNN F 3 "" H 3850 3300 50 0001 C CNN 1 3850 3300 1 0 0 -1 $EndComp $Comp L GND #PWR025 U 1 1 598A72F8 P 3400 3650 F 0 "#PWR025" H 3400 3400 50 0001 C CNN F 1 "GND" H 3400 3500 50 0000 C CNN F 2 "" H 3400 3650 50 0001 C CNN F 3 "" H 3400 3650 50 0001 C CNN 1 3400 3650 0 -1 -1 0 $EndComp $Comp L +3.3V #PWR026 U 1 1 598A736D P 3400 4150 F 0 "#PWR026" H 3400 4000 50 0001 C CNN F 1 "+3.3V" H 3400 4290 50 0000 C CNN F 2 "" H 3400 4150 50 0001 C CNN F 3 "" H 3400 4150 50 0001 C CNN 1 3400 4150 1 0 0 1 $EndComp $Comp L GND #PWR027 U 1 1 598A74DA P 700 2650 F 0 "#PWR027" H 700 2400 50 0001 C CNN F 1 "GND" H 700 2500 50 0000 C CNN F 2 "" H 700 2650 50 0001 C CNN F 3 "" H 700 2650 50 0001 C CNN 1 700 2650 1 0 0 -1 $EndComp $Comp L +5V #PWR028 U 1 1 598A7503 P 700 2350 F 0 "#PWR028" H 700 2200 50 0001 C CNN F 1 "+5V" H 700 2490 50 0000 C CNN F 2 "" H 700 2350 50 0001 C CNN F 3 "" H 700 2350 50 0001 C CNN 1 700 2350 1 0 0 -1 $EndComp $Comp L GND #PWR029 U 1 1 598A752C P 900 2650 F 0 "#PWR029" H 900 2400 50 0001 C CNN F 1 "GND" H 900 2500 50 0000 C CNN F 2 "" H 900 2650 50 0001 C CNN F 3 "" H 900 2650 50 0001 C CNN 1 900 2650 1 0 0 -1 $EndComp $Comp L +3.3V #PWR030 U 1 1 598A755F P 900 2350 F 0 "#PWR030" H 900 2200 50 0001 C CNN F 1 "+3.3V" H 900 2490 50 0000 C CNN F 2 "" H 900 2350 50 0001 C CNN F 3 "" H 900 2350 50 0001 C CNN 1 900 2350 1 0 0 -1 $EndComp $Comp L C C3 U 1 1 598A7588 P 700 2500 F 0 "C3" H 725 2600 50 0000 L CNN F 1 "1uF" H 725 2400 50 0000 L CNN F 2 "C_0805" H 738 2350 50 0001 C CNN F 3 "" H 700 2500 50 0001 C CNN 1 700 2500 1 0 0 -1 $EndComp $Comp L C C4 U 1 1 598A761F P 900 2500 F 0 "C4" H 925 2600 50 0000 L CNN F 1 "1uF" H 925 2400 50 0000 L CNN F 2 "C_0805" H 938 2350 50 0001 C CNN F 3 "" H 900 2500 50 0001 C CNN 1 900 2500 1 0 0 -1 $EndComp $Comp L C C5 U 1 1 598A7657 P 1100 2500 F 0 "C5" H 1125 2600 50 0000 L CNN F 1 "1uF" H 1125 2400 50 0000 L CNN F 2 "C_0805" H 1138 2350 50 0001 C CNN F 3 "" H 1100 2500 50 0001 C CNN 1 1100 2500 1 0 0 -1 $EndComp $Comp L GND #PWR031 U 1 1 598A7692 P 1100 2650 F 0 "#PWR031" H 1100 2400 50 0001 C CNN F 1 "GND" H 1100 2500 50 0000 C CNN F 2 "" H 1100 2650 50 0001 C CNN F 3 "" H 1100 2650 50 0001 C CNN 1 1100 2650 1 0 0 -1 $EndComp $Comp L +3.3V #PWR032 U 1 1 598A76C4 P 1100 2350 F 0 "#PWR032" H 1100 2200 50 0001 C CNN F 1 "+3.3V" H 1100 2490 50 0000 C CNN F 2 "" H 1100 2350 50 0001 C CNN F 3 "" H 1100 2350 50 0001 C CNN 1 1100 2350 1 0 0 -1 $EndComp $EndSCHEMATC