EESchema Schematic File Version 2 LIBS:SIM808 LIBS:freetronics_schematic LIBS:custom-power LIBS:custom-charge LIBS:Amplifier_Audio LIBS:Amplifier_Buffer LIBS:Amplifier_Current LIBS:Amplifier_Difference LIBS:Amplifier_Instrumentation LIBS:Amplifier_Operational LIBS:Amplifier_Video LIBS:Analog LIBS:Analog_ADC LIBS:Analog_DAC LIBS:Analog_Switch LIBS:Audio LIBS:Battery_Management LIBS:Comparator LIBS:Connector_Generic LIBS:Connector_Generic_Shielded LIBS:Connector_Specialized LIBS:Converter_DCDC LIBS:CPLD_Altera LIBS:CPU LIBS:Device LIBS:Diode LIBS:Diode_Laser LIBS:Display_Character LIBS:Display_Graphic LIBS:Driver_Display LIBS:Driver_FET LIBS:Driver_LED LIBS:Driver_Motor LIBS:Driver_Relay LIBS:DSP_Freescale LIBS:DSP_Microchip_DSPIC33 LIBS:DSP_Texas LIBS:FPGA_Actel LIBS:Graphic LIBS:Interface LIBS:Interface_CAN_LIN LIBS:Interface_CurrentLoop LIBS:Interface_Ethernet LIBS:Interface_Expansion LIBS:Interface_HID LIBS:Interface_LineDriver LIBS:Interface_Optical LIBS:Interface_Telecom LIBS:Interface_UART LIBS:Interface_USB LIBS:Isolator LIBS:Isolator_Analog LIBS:Jumper LIBS:LED LIBS:Logic_74xgxx LIBS:Logic_74xx LIBS:Logic_CMOS_4000 LIBS:Logic_CMOS_IEEE LIBS:Logic_LevelTranslator LIBS:Logic_Programmable LIBS:Logic_TTL_IEEE LIBS:MCU_AnalogDevices LIBS:MCU_Cypress LIBS:MCU_Infineon LIBS:MCU_Microchip_PIC10 LIBS:MCU_Microchip_PIC12 LIBS:MCU_Microchip_PIC16 LIBS:MCU_Microchip_PIC18 LIBS:MCU_Microchip_PIC24 LIBS:MCU_Microchip_PIC32 LIBS:MCU_Microchip_SAME LIBS:MCU_Microchip_SAML LIBS:MCU_NXP_HC11 LIBS:MCU_NXP_Kinetis LIBS:MCU_NXP_LPC LIBS:MCU_NXP_S08 LIBS:MCU_Parallax LIBS:MCU_SiFive LIBS:MCU_SiliconLabs LIBS:MCU_ST_STM8 LIBS:MCU_ST_STM32 LIBS:MCU_Texas LIBS:MCU_Texas_MSP430 LIBS:Mechanical LIBS:Memory_Controller LIBS:Memory_EEPROM LIBS:Memory_Flash LIBS:Memory_NVRAM LIBS:Memory_RAM LIBS:Memory_UniqueID LIBS:Motor LIBS:Oscillator LIBS:Potentiometer_Digital LIBS:power LIBS:Power_Management LIBS:Power_Protection LIBS:Power_Supervisor LIBS:pspice LIBS:Reference_Current LIBS:Reference_Voltage LIBS:Regulator_Controller LIBS:Regulator_Current LIBS:Regulator_Linear LIBS:Regulator_SwitchedCapacitor LIBS:Regulator_Switching LIBS:Relay LIBS:Relay_SolidState LIBS:RF_AM_FM LIBS:RF_Bluetooth LIBS:RF_Mixer LIBS:RF_Module LIBS:RF_RFID LIBS:RF_WiFi LIBS:Sensor LIBS:Sensor_Audio LIBS:Sensor_Current LIBS:Sensor_Gas LIBS:Sensor_Humidity LIBS:Sensor_Magnetic LIBS:Sensor_Motion LIBS:Sensor_MultiFunction LIBS:Sensor_Optical LIBS:Sensor_Pressure LIBS:Sensor_Proximity LIBS:Sensor_Temperature LIBS:Sensor_Touch LIBS:Sensor_Voltage LIBS:Switch LIBS:Timer LIBS:Timer_RTC LIBS:Transformer LIBS:Transistor_Array LIBS:Transistor_BJT LIBS:Transistor_FET LIBS:Transistor_IGBT LIBS:Valve LIBS:Video LIBS:gpstracker-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 2 2 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L FT231XS U6 U 1 1 5A36832A P 2800 2300 F 0 "U6" H 2250 3100 50 0000 L CNN F 1 "FT231XS" H 3100 3100 50 0000 L CNN F 2 "Housings_SSOP:SSOP-20_4.4x6.5mm_Pitch0.65mm" H 2800 2300 50 0001 C CNN F 3 "" H 2800 2300 50 0001 C CNN F 4 "FTDI" H 2800 2300 60 0001 C CNN "Manufacturer" F 5 "FT231XS-U" H 2800 2300 60 0001 C CNN "Manufacturer part number" F 6 "SSOP-20" H 2800 2300 60 0001 C CNN "Package" 1 2800 2300 1 0 0 -1 $EndComp $Comp L C C12 U 1 1 5A368395 P 2000 2550 F 0 "C12" H 2025 2650 50 0000 L CNN F 1 "0.1uF" H 2025 2450 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 2038 2400 50 0001 C CNN F 3 "" H 2000 2550 50 0001 C CNN F 4 "Kemet" H 2000 2550 60 0001 C CNN "Manufacturer" F 5 "C0805C104M3RACTU" H 2000 2550 60 0001 C CNN "Manufacturer part number" F 6 "0805" H 2000 2550 60 0001 C CNN "Package" 1 2000 2550 1 0 0 -1 $EndComp $Comp L C C13 U 1 1 5A3683E7 P 1350 2300 F 0 "C13" H 1375 2400 50 0000 L CNN F 1 "47pF" H 1375 2200 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 1388 2150 50 0001 C CNN F 3 "" H 1350 2300 50 0001 C CNN F 4 "Vishay" H 1350 2300 60 0001 C CNN "Manufacturer" F 5 "VJ0805A470GXJPW1BC" H 1350 2300 60 0001 C CNN "Manufacturer part number" F 6 "0805" H 1350 2300 60 0001 C CNN "Package" 1 1350 2300 1 0 0 -1 $EndComp $Comp L C C14 U 1 1 5A368425 P 1600 1550 F 0 "C14" H 1625 1650 50 0000 L CNN F 1 "0.1uF" H 1625 1450 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 1638 1400 50 0001 C CNN F 3 "" H 1600 1550 50 0001 C CNN F 4 "Kemet" H 1600 1550 60 0001 C CNN "Manufacturer" F 5 "C0805C104M3RACTU" H 1600 1550 60 0001 C CNN "Manufacturer part number" F 6 "0805" H 1600 1550 60 0001 C CNN "Package" 1 1600 1550 1 0 0 -1 $EndComp $Comp L R R18 U 1 1 5A3684B8 P 4150 2400 F 0 "R18" V 4230 2400 50 0000 C CNN F 1 "1k" V 4150 2400 50 0000 C CNN F 2 "Resistors_SMD:R_0805_HandSoldering" H 4150 2400 60 0001 C CNN F 3 "" H 4150 2400 60 0000 C CNN F 4 "Panasonic" V 4150 2400 60 0001 C CNN "Manufacturer" F 5 "ERJ-6GEYJ102V" V 4150 2400 60 0001 C CNN "Manufacturer part number" F 6 "0805" V 4150 2400 60 0001 C CNN "Package" 1 4150 2400 -1 0 0 1 $EndComp $Comp L C C11 U 1 1 5A368502 P 1000 2300 F 0 "C11" H 1025 2400 50 0000 L CNN F 1 "47pF" H 1025 2200 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 1038 2150 50 0001 C CNN F 3 "" H 1000 2300 50 0001 C CNN F 4 "Vishay" H 1000 2300 60 0001 C CNN "Manufacturer" F 5 "VJ0805A470GXJPW1BC" H 1000 2300 60 0001 C CNN "Manufacturer part number" F 6 "0805" H 1000 2300 60 0001 C CNN "Package" 1 1000 2300 1 0 0 -1 $EndComp $Comp L R R16 U 1 1 5A36875E P 1850 2100 F 0 "R16" V 1930 2100 50 0000 C CNN F 1 "27R" V 1850 2100 50 0000 C CNN F 2 "Resistors_SMD:R_0805_HandSoldering" H 1850 2100 60 0001 C CNN F 3 "" H 1850 2100 60 0000 C CNN F 4 "Panasonic" V 1850 2100 60 0001 C CNN "Manufacturer" F 5 "ERJ-6GEYJ270V" V 1850 2100 60 0001 C CNN "Manufacturer part number" F 6 "0805" V 1850 2100 60 0001 C CNN "Package" 1 1850 2100 0 1 1 0 $EndComp $Comp L LED_ALT LED6 U 1 1 5A3687F3 P 4150 2000 F 0 "LED6" H 4150 2100 50 0000 C CNN F 1 "Rx" H 4150 1900 50 0000 C CNN F 2 "LEDs:LED_0805_HandSoldering" H 4150 2000 60 0001 C CNN F 3 "" H 4150 2000 60 0000 C CNN F 4 "Kingbright" H 4150 2000 60 0001 C CNN "Manufacturer" F 5 "APT2012SYCK" H 4150 2000 60 0001 C CNN "Manufacturer part number" F 6 "0805" H 4150 2000 60 0001 C CNN "Package" 1 4150 2000 0 -1 -1 0 $EndComp $Comp L LED_ALT LED7 U 1 1 5A368F70 P 4450 2000 F 0 "LED7" H 4450 2100 50 0000 C CNN F 1 "Tx" H 4450 1900 50 0000 C CNN F 2 "LEDs:LED_0805_HandSoldering" H 4450 2000 60 0001 C CNN F 3 "" H 4450 2000 60 0000 C CNN F 4 "Kingbright" H 4450 2000 60 0001 C CNN "Manufacturer" F 5 "APT2012EC" H 4450 2000 60 0001 C CNN "Manufacturer part number" F 6 "0805" H 4450 2000 60 0001 C CNN "Package" 1 4450 2000 0 -1 -1 0 $EndComp $Comp L +3.3V_FDTI #PWR049 U 1 1 5A36BE13 P 4450 1750 F 0 "#PWR049" H 4450 1600 50 0001 C CNN F 1 "+3.3V_FDTI" H 4450 1890 50 0000 C CNN F 2 "" H 4450 1750 50 0001 C CNN F 3 "" H 4450 1750 50 0001 C CNN 1 4450 1750 1 0 0 -1 $EndComp $Comp L +3.3V_FDTI #PWR050 U 1 1 5A36BE45 P 2050 1650 F 0 "#PWR050" H 2050 1500 50 0001 C CNN F 1 "+3.3V_FDTI" H 2050 1790 50 0000 C CNN F 2 "" H 2050 1650 50 0001 C CNN F 3 "" H 2050 1650 50 0001 C CNN 1 2050 1650 1 0 0 -1 $EndComp $Comp L GND #PWR051 U 1 1 5A36E473 P 2000 2700 F 0 "#PWR051" H 2000 2450 50 0001 C CNN F 1 "GND" H 2000 2550 50 0000 C CNN F 2 "" H 2000 2700 50 0001 C CNN F 3 "" H 2000 2700 50 0001 C CNN 1 2000 2700 1 0 0 -1 $EndComp $Comp L GND #PWR052 U 1 1 5A36E4AC P 2800 3300 F 0 "#PWR052" H 2800 3050 50 0001 C CNN F 1 "GND" H 2800 3150 50 0000 C CNN F 2 "" H 2800 3300 50 0001 C CNN F 3 "" H 2800 3300 50 0001 C CNN 1 2800 3300 1 0 0 -1 $EndComp $Comp L USB_B_Micro J1 U 1 1 5A36E61B P 1100 1000 F 0 "J1" H 900 1450 50 0000 L CNN F 1 "Molex 105133-0002" H 900 1350 50 0001 L CNN F 2 "Connectors_USB:USB_Micro-B_Wuerth-614105150721_Vertical_CircularHoles" H 1250 950 50 0001 C CNN F 3 "" H 1250 950 50 0001 C CNN F 4 "Wuerth" H 1100 1000 60 0001 C CNN "Manufacturer" F 5 "614105150721" H 1100 1000 60 0001 C CNN "Manufacturer part number" 1 1100 1000 0 1 1 0 $EndComp $Comp L GND #PWR053 U 1 1 5A36EE8C P 1350 2550 F 0 "#PWR053" H 1350 2300 50 0001 C CNN F 1 "GND" H 1350 2400 50 0000 C CNN F 2 "" H 1350 2550 50 0001 C CNN F 3 "" H 1350 2550 50 0001 C CNN 1 1350 2550 1 0 0 -1 $EndComp $Comp L VBUS #PWR054 U 1 1 5A36EF48 P 1700 1000 F 0 "#PWR054" H 1700 850 50 0001 C CNN F 1 "VBUS" H 1700 1150 50 0000 C CNN F 2 "" H 1700 1000 50 0001 C CNN F 3 "" H 1700 1000 50 0001 C CNN 1 1700 1000 1 0 0 -1 $EndComp $Comp L VBUS #PWR055 U 1 1 5A36EFB3 P 2700 1400 F 0 "#PWR055" H 2700 1250 50 0001 C CNN F 1 "VBUS" H 2700 1550 50 0000 C CNN F 2 "" H 2700 1400 50 0001 C CNN F 3 "" H 2700 1400 50 0001 C CNN 1 2700 1400 1 0 0 -1 $EndComp NoConn ~ 3500 2600 NoConn ~ 3500 2900 $Comp L +3.3V_FDTI #PWR056 U 1 1 5A36F015 P 2900 1300 F 0 "#PWR056" H 2900 1150 50 0001 C CNN F 1 "+3.3V_FDTI" H 2900 1440 50 0000 C CNN F 2 "" H 2900 1300 50 0001 C CNN F 3 "" H 2900 1300 50 0001 C CNN 1 2900 1300 1 0 0 -1 $EndComp Text HLabel 3600 1700 2 60 Input ~ 0 TXD Text HLabel 3600 1800 2 60 Input ~ 0 RXD NoConn ~ 3500 2400 NoConn ~ 3500 2300 NoConn ~ 3500 2200 NoConn ~ 3500 1900 Text HLabel 3600 2000 2 60 Input ~ 0 CTS Text HLabel 3600 2100 2 60 Input ~ 0 DTR $Comp L GND #PWR057 U 1 1 5A3703B4 P 1300 1800 F 0 "#PWR057" H 1300 1550 50 0001 C CNN F 1 "GND" H 1300 1650 50 0000 C CNN F 2 "" H 1300 1800 50 0001 C CNN F 3 "" H 1300 1800 50 0001 C CNN 1 1300 1800 1 0 0 -1 $EndComp NoConn ~ 900 1300 $Comp L GND #PWR058 U 1 1 5A370474 P 600 1050 F 0 "#PWR058" H 600 800 50 0001 C CNN F 1 "GND" H 600 900 50 0000 C CNN F 2 "" H 600 1050 50 0001 C CNN F 3 "" H 600 1050 50 0001 C CNN 1 600 1050 1 0 0 -1 $EndComp Wire Wire Line 3500 2700 4150 2700 Wire Wire Line 4150 2700 4150 2650 Wire Wire Line 3500 2800 4450 2800 Wire Wire Line 4450 2800 4450 2650 Wire Wire Line 2050 1700 2100 1700 Wire Wire Line 2050 1650 2050 2300 Wire Wire Line 4150 1850 4150 1800 Wire Wire Line 4150 1800 4450 1800 Wire Wire Line 4450 1750 4450 1850 Connection ~ 4450 1800 Wire Wire Line 2000 2400 2000 2300 Wire Wire Line 2000 2300 2100 2300 Wire Wire Line 2700 3200 2700 3250 Wire Wire Line 2700 3250 2900 3250 Wire Wire Line 2800 3250 2800 3300 Wire Wire Line 2900 3250 2900 3200 Connection ~ 2800 3250 Wire Wire Line 2900 1400 2900 1300 Wire Wire Line 3600 1800 3500 1800 Wire Wire Line 3600 1700 3500 1700 Wire Wire Line 3500 2000 3600 2000 Wire Wire Line 3500 2100 3600 2100 Wire Wire Line 1700 1350 1700 1000 Wire Wire Line 1100 1300 1100 2100 Wire Wire Line 1000 1300 1000 2150 Wire Wire Line 1000 2000 1600 2000 Wire Wire Line 1100 2100 1600 2100 Wire Wire Line 600 900 600 1050 Wire Wire Line 600 900 700 900 Wire Wire Line 700 1000 600 1000 Connection ~ 600 1000 Connection ~ 1000 2000 Wire Wire Line 1350 2150 1350 2100 Connection ~ 1350 2100 Wire Wire Line 1350 2450 1350 2550 Wire Wire Line 1350 2500 1000 2500 Wire Wire Line 1000 2500 1000 2450 Connection ~ 1350 2500 Wire Wire Line 1300 1300 1300 1400 Wire Wire Line 1300 1350 1700 1350 Connection ~ 1300 1350 $Comp L C C10 U 1 1 5A371566 P 1300 1550 F 0 "C10" H 1325 1650 50 0000 L CNN F 1 "4.7uF" H 1325 1450 50 0000 L CNN F 2 "Capacitors_SMD:C_0805_HandSoldering" H 1338 1400 50 0001 C CNN F 3 "" H 1300 1550 50 0001 C CNN F 4 "Kemet" H 1300 1550 60 0001 C CNN "Manufacturer" F 5 "C0805C104M3RACTU" H 1300 1550 60 0001 C CNN "Manufacturer part number" F 6 "0805" H 1300 1550 60 0001 C CNN "Package" 1 1300 1550 1 0 0 -1 $EndComp Wire Wire Line 1600 1400 1600 1350 Connection ~ 1600 1350 Wire Wire Line 1300 1700 1300 1800 Wire Wire Line 1300 1750 1600 1750 Wire Wire Line 1600 1750 1600 1700 Connection ~ 1300 1750 Text Notes 2300 900 0 120 ~ 24 USB Interface $Comp L R R19 U 1 1 5A52C333 P 4450 2400 F 0 "R19" V 4530 2400 50 0000 C CNN F 1 "1k" V 4450 2400 50 0000 C CNN F 2 "Resistors_SMD:R_0805_HandSoldering" H 4450 2400 60 0001 C CNN F 3 "" H 4450 2400 60 0000 C CNN F 4 "Panasonic" V 4450 2400 60 0001 C CNN "Manufacturer" F 5 "ERJ-6GEYJ102V" V 4450 2400 60 0001 C CNN "Manufacturer part number" F 6 "0805" V 4450 2400 60 0001 C CNN "Package" 1 4450 2400 -1 0 0 1 $EndComp $Comp L R R17 U 1 1 5A534FBA P 1850 2000 F 0 "R17" V 1950 2000 50 0000 C CNN F 1 "27R" V 1850 2000 50 0000 C CNN F 2 "Resistors_SMD:R_0805_HandSoldering" H 1850 2000 60 0001 C CNN F 3 "" H 1850 2000 60 0000 C CNN F 4 "Panasonic" V 1850 2000 60 0001 C CNN "Manufacturer" F 5 "ERJ-6GEYJ270V" V 1850 2000 60 0001 C CNN "Manufacturer part number" F 6 "0805" V 1850 2000 60 0001 C CNN "Package" 1 1850 2000 0 -1 -1 0 $EndComp Connection ~ 2050 2300 Connection ~ 2050 1700 $EndSCHEMATC