EESchema-LIBRARY Version 2.4 #encoding utf-8 # # Analog_ADC_INA226 # DEF Analog_ADC_INA226 U 0 20 Y Y 1 F N F0 "U" 150 450 50 H V C CNN F1 "Analog_ADC_INA226" 200 -450 50 H V C CNN F2 "Package_SO:MSOP-10_3x3mm_P0.5mm" 50 100 50 H I C CNN F3 "" 350 -100 50 H I C CNN $FPLIST MSOP*3x3mm*P0.5mm* $ENDFPLIST DRAW S 300 400 -300 -400 0 1 10 f X A1 1 400 300 100 L 50 50 1 1 P X Vin+ 10 -400 -100 100 R 50 50 1 1 I X A0 2 400 200 100 L 50 50 1 1 P X ~Alert~ 3 400 -300 100 L 50 50 1 1 C X SDA 4 400 0 100 L 50 50 1 1 B X SCL 5 400 -100 100 L 50 50 1 1 I X Vs 6 0 500 100 D 50 50 1 1 W X GND 7 0 -500 100 U 50 50 1 1 W X Vbus 8 -400 300 100 R 50 50 1 1 I X Vin- 9 -400 -200 100 R 50 50 1 1 I ENDDRAW ENDDEF # # Connector_Generic_Conn_01x02 # DEF Connector_Generic_Conn_01x02 J 0 40 Y N 1 F N F0 "J" 0 100 50 H V C CNN F1 "Connector_Generic_Conn_01x02" 0 -200 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN $FPLIST Connector*:*_1x??_* $ENDFPLIST DRAW S -50 -95 0 -105 1 1 6 N S -50 5 0 -5 1 1 6 N S -50 50 50 -150 1 1 10 f X Pin_1 1 -200 0 150 R 50 50 1 1 P X Pin_2 2 -200 -100 150 R 50 50 1 1 P ENDDRAW ENDDEF # # Connector_Generic_Conn_01x04 # DEF Connector_Generic_Conn_01x04 J 0 40 Y N 1 F N F0 "J" 0 200 50 H V C CNN F1 "Connector_Generic_Conn_01x04" 0 -300 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN $FPLIST Connector*:*_1x??_* $ENDFPLIST DRAW S -50 -195 0 -205 1 1 6 N S -50 -95 0 -105 1 1 6 N S -50 5 0 -5 1 1 6 N S -50 105 0 95 1 1 6 N S -50 150 50 -250 1 1 10 f X Pin_1 1 -200 100 150 R 50 50 1 1 P X Pin_2 2 -200 0 150 R 50 50 1 1 P X Pin_3 3 -200 -100 150 R 50 50 1 1 P X Pin_4 4 -200 -200 150 R 50 50 1 1 P ENDDRAW ENDDEF # # Connector_Generic_Conn_01x06 # DEF Connector_Generic_Conn_01x06 J 0 40 Y N 1 F N F0 "J" 0 300 50 H V C CNN F1 "Connector_Generic_Conn_01x06" 0 -400 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN $FPLIST Connector*:*_1x??_* $ENDFPLIST DRAW S -50 -295 0 -305 1 1 6 N S -50 -195 0 -205 1 1 6 N S -50 -95 0 -105 1 1 6 N S -50 5 0 -5 1 1 6 N S -50 105 0 95 1 1 6 N S -50 205 0 195 1 1 6 N S -50 250 50 -350 1 1 10 f X Pin_1 1 -200 200 150 R 50 50 1 1 P X Pin_2 2 -200 100 150 R 50 50 1 1 P X Pin_3 3 -200 0 150 R 50 50 1 1 P X Pin_4 4 -200 -100 150 R 50 50 1 1 P X Pin_5 5 -200 -200 150 R 50 50 1 1 P X Pin_6 6 -200 -300 150 R 50 50 1 1 P ENDDRAW ENDDEF # # Connector_USB_B_Micro # DEF Connector_USB_B_Micro J 0 40 Y Y 1 F N F0 "J" -200 450 50 H V L CNN F1 "Connector_USB_B_Micro" -200 350 50 H V L CNN F2 "" 150 -50 50 H I C CNN F3 "" 150 -50 50 H I C CNN ALIAS USB_B_Mini $FPLIST USB* $ENDFPLIST DRAW C -150 85 25 0 1 10 F C -25 135 15 0 1 10 F S -200 -300 200 300 0 1 10 f S -5 -300 5 -270 0 1 0 N S 10 50 -20 20 0 1 10 F S 200 -205 170 -195 0 1 0 N S 200 -105 170 -95 0 1 0 N S 200 -5 170 5 0 1 0 N S 200 195 170 205 0 1 0 N P 2 0 1 10 -75 85 25 85 N P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N P 4 0 1 10 25 110 25 60 75 85 25 110 F P 5 0 1 0 -170 220 -70 220 -80 190 -160 190 -170 220 F P 9 0 1 0 -185 230 -185 220 -175 190 -175 180 -65 180 -65 190 -55 220 -55 230 -185 230 N X VBUS 1 300 200 100 L 50 50 1 1 w X D- 2 300 -100 100 L 50 50 1 1 P X D+ 3 300 0 100 L 50 50 1 1 P X ID 4 300 -200 100 L 50 50 1 1 P X GND 5 0 -400 100 U 50 50 1 1 w X Shield 6 -100 -400 100 U 50 50 1 1 P ENDDRAW ENDDEF # # Device_CP_Small # DEF Device_CP_Small C 0 10 N N 1 F N F0 "C" 10 70 50 H V L CNN F1 "Device_CP_Small" 10 -80 50 H V L CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN $FPLIST CP_* $ENDFPLIST DRAW S -60 -12 60 -27 0 1 0 F S -60 27 60 12 0 1 0 N P 2 0 1 0 -50 60 -30 60 N P 2 0 1 0 -40 50 -40 70 N X ~ 1 0 100 73 D 50 50 1 1 P X ~ 2 0 -100 73 U 50 50 1 1 P ENDDRAW ENDDEF # # Device_C_Small # DEF Device_C_Small C 0 10 N N 1 F N F0 "C" 10 70 50 H V L CNN F1 "Device_C_Small" 10 -80 50 H V L CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN $FPLIST C_* $ENDFPLIST DRAW P 2 0 1 13 -60 -20 60 -20 N P 2 0 1 12 -60 20 60 20 N X ~ 1 0 100 80 D 50 50 1 1 P X ~ 2 0 -100 80 U 50 50 1 1 P ENDDRAW ENDDEF # # Device_Crystal_GND24 # DEF Device_Crystal_GND24 Y 0 40 Y N 1 F N F0 "Y" 125 200 50 H V L CNN F1 "Device_Crystal_GND24" 125 125 50 H V L CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN $FPLIST Crystal* $ENDFPLIST DRAW S -45 100 45 -100 0 1 12 N P 2 0 1 0 -100 0 -80 0 N P 2 0 1 20 -80 -50 -80 50 N P 2 0 1 0 0 -150 0 -140 N P 2 0 1 0 0 140 0 150 N P 2 0 1 20 80 -50 80 50 N P 2 0 1 0 80 0 100 0 N P 4 0 1 0 -100 -90 -100 -140 100 -140 100 -90 N P 4 0 1 0 -100 90 -100 140 100 140 100 90 N X 1 1 -150 0 50 R 50 50 1 1 P X 2 2 0 200 50 D 50 50 1 1 P X 3 3 150 0 50 L 50 50 1 1 P X 4 4 0 -200 50 U 50 50 1 1 P ENDDRAW ENDDEF # # Device_D_Schottky_Small_ALT # DEF Device_D_Schottky_Small_ALT D 0 10 N N 1 F N F0 "D" -50 80 50 H V L CNN F1 "Device_D_Schottky_Small_ALT" -280 -80 50 H V L CNN F2 "" 0 0 50 V I C CNN F3 "" 0 0 50 V I C CNN $FPLIST TO-???* *_Diode_* *SingleDiode* D_* $ENDFPLIST DRAW P 2 0 1 0 -30 -40 -30 40 N P 2 0 1 0 -30 0 30 0 N P 3 0 1 0 -30 -40 -20 -40 -20 -30 N P 3 0 1 0 -30 40 -40 40 -40 30 N P 4 0 1 0 30 -40 -30 0 30 40 30 -40 F X K 1 -100 0 70 R 50 50 1 1 P X A 2 100 0 70 L 50 50 1 1 P ENDDRAW ENDDEF # # Device_LED_Small_ALT # DEF Device_LED_Small_ALT D 0 10 N N 1 F N F0 "D" -50 125 50 H V L CNN F1 "Device_LED_Small_ALT" -175 -100 50 H V L CNN F2 "" 0 0 50 V I C CNN F3 "" 0 0 50 V I C CNN $FPLIST LED* LED_SMD:* LED_THT:* $ENDFPLIST DRAW P 2 0 1 0 -30 -40 -30 40 N P 2 0 1 0 40 0 -30 0 N P 4 0 1 0 30 -40 -30 0 30 40 30 -40 F P 5 0 1 0 0 30 -20 50 -10 50 -20 50 -20 40 N P 5 0 1 0 20 50 0 70 10 70 0 70 0 60 N X K 1 -100 0 70 R 50 50 1 1 P X A 2 100 0 70 L 50 50 1 1 P ENDDRAW ENDDEF # # Device_R_Small # DEF Device_R_Small R 0 10 N N 1 F N F0 "R" 30 20 50 H V L CNN F1 "Device_R_Small" 30 -40 50 H V L CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN $FPLIST R_* $ENDFPLIST DRAW S -30 70 30 -70 0 1 8 N X ~ 1 0 100 30 D 50 50 1 1 P X ~ 2 0 -100 30 U 50 50 1 1 P ENDDRAW ENDDEF # # Isolator_PC817 # DEF Isolator_PC817 U 0 40 Y Y 1 F N F0 "U" -200 200 50 H V L CNN F1 "Isolator_PC817" 0 200 50 H V L CNN F2 "Package_DIP:DIP-4_W7.62mm" -200 -200 50 H I L CIN F3 "" 0 0 50 H I L CNN $FPLIST DIP*W7.62mm* $ENDFPLIST DRAW S -200 150 200 -150 0 1 10 f P 2 0 1 10 -125 -25 -75 -25 N P 2 0 1 0 100 25 175 100 N P 2 0 1 0 175 -100 100 -25 F P 2 0 1 0 175 -100 200 -100 N P 2 0 1 0 175 100 200 100 N P 3 0 1 0 -200 100 -100 100 -100 -25 N P 3 0 1 0 -100 -25 -100 -100 -200 -100 N P 3 0 1 20 100 75 100 -75 100 -75 N P 4 0 1 10 -100 -25 -125 25 -75 25 -100 -25 N P 5 0 1 0 -20 -20 30 -20 15 -25 15 -15 30 -20 N P 5 0 1 0 -20 20 30 20 15 15 15 25 30 20 N P 5 0 1 0 120 -65 140 -45 160 -85 120 -65 120 -65 F X ~ 1 -300 100 100 R 50 50 1 1 P X ~ 2 -300 -100 100 R 50 50 1 1 P X ~ 3 300 -100 100 L 50 50 1 1 P X ~ 4 300 100 100 L 50 50 1 1 P ENDDRAW ENDDEF # # MCU_ST_STM32F1_STM32F103C8Tx # DEF MCU_ST_STM32F1_STM32F103C8Tx U 0 20 Y Y 1 F N F0 "U" -600 1450 50 H V L CNN F1 "MCU_ST_STM32F1_STM32F103C8Tx" 300 1450 50 H V L CNN F2 "Package_QFP:LQFP-48_7x7mm_P0.5mm" -600 -1400 50 H I R CNN F3 "" 0 0 50 H I C CNN ALIAS STM32F103CBTx $FPLIST LQFP*7x7mm*P0.5mm* $ENDFPLIST DRAW S -600 -1400 500 1400 0 1 10 f X VBAT 1 -200 1500 100 D 50 50 1 1 W X PA0 10 600 200 100 L 50 50 1 1 B X PA1 11 600 100 100 L 50 50 1 1 B X PA2 12 600 0 100 L 50 50 1 1 B X PA3 13 600 -100 100 L 50 50 1 1 B X PA4 14 600 -200 100 L 50 50 1 1 B X PA5 15 600 -300 100 L 50 50 1 1 B X PA6 16 600 -400 100 L 50 50 1 1 B X PA7 17 600 -500 100 L 50 50 1 1 B X PB0 18 -700 200 100 R 50 50 1 1 B X PB1 19 -700 100 100 R 50 50 1 1 B X PC13 2 -700 600 100 R 50 50 1 1 B X PB2 20 -700 0 100 R 50 50 1 1 B X PB10 21 -700 -800 100 R 50 50 1 1 B X PB11 22 -700 -900 100 R 50 50 1 1 B X VSS 23 -200 -1500 100 U 50 50 1 1 W X VDD 24 -100 1500 100 D 50 50 1 1 W X PB12 25 -700 -1000 100 R 50 50 1 1 B X PB13 26 -700 -1100 100 R 50 50 1 1 B X PB14 27 -700 -1200 100 R 50 50 1 1 B X PB15 28 -700 -1300 100 R 50 50 1 1 B X PA8 29 600 -600 100 L 50 50 1 1 B X PC14 3 -700 500 100 R 50 50 1 1 B X PA9 30 600 -700 100 L 50 50 1 1 B X PA10 31 600 -800 100 L 50 50 1 1 B X PA11 32 600 -900 100 L 50 50 1 1 B X PA12 33 600 -1000 100 L 50 50 1 1 B X PA13 34 600 -1100 100 L 50 50 1 1 B X VSS 35 -100 -1500 100 U 50 50 1 1 W X VDD 36 0 1500 100 D 50 50 1 1 W X PA14 37 600 -1200 100 L 50 50 1 1 B X PA15 38 600 -1300 100 L 50 50 1 1 B X PB3 39 -700 -100 100 R 50 50 1 1 B X PC15 4 -700 400 100 R 50 50 1 1 B X PB4 40 -700 -200 100 R 50 50 1 1 B X PB5 41 -700 -300 100 R 50 50 1 1 B X PB6 42 -700 -400 100 R 50 50 1 1 B X PB7 43 -700 -500 100 R 50 50 1 1 B X BOOT0 44 -700 1100 100 R 50 50 1 1 I X PB8 45 -700 -600 100 R 50 50 1 1 B X PB9 46 -700 -700 100 R 50 50 1 1 B X VSS 47 0 -1500 100 U 50 50 1 1 W X VDD 48 100 1500 100 D 50 50 1 1 W X PD0 5 -700 900 100 R 50 50 1 1 I X PD1 6 -700 800 100 R 50 50 1 1 I X NRST 7 -700 1300 100 R 50 50 1 1 I X VSSA 8 100 -1500 100 U 50 50 1 1 W X VDDA 9 200 1500 100 D 50 50 1 1 W ENDDRAW ENDDEF # # Regulator_Linear_AMS1117-3.3 # DEF Regulator_Linear_AMS1117-3.3 U 0 10 Y Y 1 F N F0 "U" -150 125 50 H V C CNN F1 "Regulator_Linear_AMS1117-3.3" 0 125 50 H V L CNN F2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" 0 200 50 H I C CNN F3 "" 100 -250 50 H I C CNN ALIAS AP1117-18 AP1117-25 AP1117-33 AP1117-50 LD1117S33TR_SOT223 LD1117S12TR_SOT223 LD1117S18TR_SOT223 LD1117S25TR_SOT223 LD1117S50TR_SOT223 NCP1117-12_SOT223 NCP1117-1.5_SOT223 NCP1117-1.8_SOT223 NCP1117-2.0_SOT223 NCP1117-2.5_SOT223 NCP1117-2.85_SOT223 NCP1117-3.3_SOT223 NCP1117-5.0_SOT223 AMS1117-1.5 AMS1117-1.8 AMS1117-2.5 AMS1117-2.85 AMS1117-3.3 AMS1117-5.0 $FPLIST SOT?223*TabPin2* $ENDFPLIST DRAW S -200 -200 200 75 0 1 10 f X GND 1 0 -300 100 U 50 50 1 1 W X VO 2 300 0 100 L 50 50 1 1 w X VI 3 -300 0 100 R 50 50 1 1 W ENDDRAW ENDDEF # # Sensor_Temperature_MCP9804_MSOP # DEF Sensor_Temperature_MCP9804_MSOP U 0 40 Y Y 1 F N F0 "U" -250 450 50 H V C CNN F1 "Sensor_Temperature_MCP9804_MSOP" 400 450 50 H V C CNN F2 "Package_SO:MSOP-8_3x3mm_P0.65mm" -1000 -500 50 H I C CNN F3 "" -250 450 50 H I C CNN $FPLIST MSOP*3x3mm*P0.65mm* $ENDFPLIST DRAW S -300 400 300 -400 0 1 10 f X SDA 1 -400 300 100 R 50 50 1 1 B X SCL 2 -400 200 100 R 50 50 1 1 I X Alert 3 400 0 100 L 50 50 1 1 O X GND 4 0 -500 100 U 50 50 1 1 W X A2 5 -400 -300 100 R 50 50 1 1 I X A1 6 -400 -200 100 R 50 50 1 1 I X A0 7 -400 -100 100 R 50 50 1 1 I X VDD 8 0 500 100 D 50 50 1 1 W ENDDRAW ENDDEF # # Switch_SW_Push # DEF Switch_SW_Push SW 0 40 N N 1 F N F0 "SW" 50 100 50 H V L CNN F1 "Switch_SW_Push" 0 -60 50 H V C CNN F2 "" 0 200 50 H I C CNN F3 "" 0 200 50 H I C CNN DRAW C -80 0 20 0 1 0 N C 80 0 20 0 1 0 N P 2 0 1 0 0 50 0 120 N P 2 0 1 0 100 50 -100 50 N X 1 1 -200 0 100 R 50 50 0 1 P X 2 2 200 0 100 L 50 50 0 1 P ENDDRAW ENDDEF # # Transistor_FET_IRF7480M # DEF Transistor_FET_IRF7480M Q 0 0 Y N 1 F N F0 "Q" 200 75 50 H V L CNN F1 "Transistor_FET_IRF7480M" 200 0 50 H V L CNN F2 "Package_DirectFET:DirectFET_ME" 0 0 50 H I C CIN F3 "" 0 0 50 H I L CNN ALIAS IRF7480M IRF7486M IRF7580M IRF7780M $FPLIST DirectFET*ME* $ENDFPLIST DRAW C 65 0 111 0 1 10 N C 100 -70 11 0 1 0 F C 100 70 11 0 1 0 F P 2 0 1 0 -100 0 10 0 N P 2 0 1 0 30 -70 100 -70 N P 2 0 1 10 30 -50 30 -90 N P 2 0 1 0 30 0 100 0 N P 2 0 1 10 30 20 30 -20 N P 2 0 1 0 30 70 100 70 N P 2 0 1 10 30 90 30 50 N P 2 0 1 0 100 -70 100 -100 N P 2 0 1 0 100 -70 100 0 N P 2 0 1 0 100 100 100 70 N P 3 0 1 10 10 75 10 -75 10 -75 N P 4 0 1 0 40 0 80 15 80 -15 40 0 F P 4 0 1 0 100 -70 130 -70 130 70 100 70 N P 4 0 1 0 110 20 115 15 145 15 150 10 N P 4 0 1 0 130 15 115 -10 145 -10 130 15 N X D 1 100 200 100 D 50 50 1 1 P X G 2 -200 0 100 R 50 50 1 1 I X S 3 100 -200 100 U 50 50 1 1 P ENDDRAW ENDDEF # # components_L_EU_small # DEF components_L_EU_small L 0 40 N N 1 F N F0 "L" 0 100 50 H V C CNN F1 "components_L_EU_small" 0 -100 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN DRAW S -100 -25 100 25 0 1 10 F X 1 1 -200 0 100 R 50 50 1 1 U X 2 2 200 0 100 L 50 50 1 1 U ENDDRAW ENDDEF # # components_MT3608 # DEF components_MT3608 U 0 40 Y Y 1 F N F0 "U" -200 250 50 H V C CNN F1 "components_MT3608" 100 250 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN DRAW S -250 200 250 -150 0 1 0 f X SW 1 350 100 100 L 50 50 1 1 O X GND 2 0 -250 100 U 50 50 1 1 W X FB 3 350 -50 100 L 50 50 1 1 I X EN 4 -350 -50 100 R 50 50 1 1 I X IN 5 -350 100 100 R 50 50 1 1 W ENDDRAW ENDDEF # # components_TC4427 # DEF components_TC4427 U 0 40 Y Y 1 F N F0 "U" -300 350 50 H V C CNN F1 "components_TC4427" 200 350 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN DRAW S -400 -300 400 300 0 1 0 f X IN_A 2 -500 150 100 R 50 50 1 1 I X GND 3 0 -400 100 U 50 50 1 1 W X IN_B 4 -500 -150 100 R 50 50 1 1 I X OUT_B 5 500 -150 100 L 50 50 1 1 O X VDD 6 0 400 100 D 50 50 1 1 W X OUT_A 7 500 150 100 L 50 50 1 1 O ENDDRAW ENDDEF # # power_+3.3V # DEF power_+3.3V #PWR 0 0 Y Y 1 F P F0 "#PWR" 0 -150 50 H I C CNN F1 "power_+3.3V" 0 140 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN DRAW P 2 0 1 0 -30 50 0 100 N P 2 0 1 0 0 0 0 100 N P 2 0 1 0 0 100 30 50 N X +3V3 1 0 0 0 U 50 50 1 1 W N ENDDRAW ENDDEF # # power_+3V3 # DEF power_+3V3 #PWR 0 0 Y Y 1 F P F0 "#PWR" 0 -150 50 H I C CNN F1 "power_+3V3" 0 140 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN ALIAS +3.3V DRAW P 2 0 1 0 -30 50 0 100 N P 2 0 1 0 0 0 0 100 N P 2 0 1 0 0 100 30 50 N X +3V3 1 0 0 0 U 50 50 1 1 W N ENDDRAW ENDDEF # # power_+5V # DEF power_+5V #PWR 0 0 Y Y 1 F P F0 "#PWR" 0 -150 50 H I C CNN F1 "power_+5V" 0 140 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN DRAW P 2 0 1 0 -30 50 0 100 N P 2 0 1 0 0 0 0 100 N P 2 0 1 0 0 100 30 50 N X +5V 1 0 0 0 U 50 50 1 1 W N ENDDRAW ENDDEF # # power_+VSW # DEF power_+VSW #PWR 0 0 Y Y 1 F P F0 "#PWR" 0 -150 50 H I C CNN F1 "power_+VSW" 0 140 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN DRAW P 2 0 1 0 -30 50 0 100 N P 2 0 1 0 0 0 0 100 N P 2 0 1 0 0 100 30 50 N X +VSW 1 0 0 0 U 50 50 1 1 W N ENDDRAW ENDDEF # # power_GND # DEF power_GND #PWR 0 0 Y Y 1 F P F0 "#PWR" 0 -250 50 H I C CNN F1 "power_GND" 0 -150 50 H V C CNN F2 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN DRAW P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N X GND 1 0 0 0 D 50 50 1 1 W N ENDDRAW ENDDEF # #End Library