EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "15 nov 2012" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L power:GND #PWR03 U 1 1 580C1E01 P 5700 4700 F 0 "#PWR03" H 5700 4450 50 0001 C CNN F 1 "GND" H 5700 4550 50 0000 C CNN F 2 "" H 5700 4700 50 0000 C CNN F 3 "" H 5700 4700 50 0000 C CNN 1 5700 4700 1 0 0 -1 $EndComp Wire Wire Line 5700 4550 5800 4550 Connection ~ 5700 4550 Connection ~ 5600 2650 Wire Wire Line 5600 2650 5800 2650 Wire Wire Line 5600 2500 5600 2650 $Comp L power:+3.3V #PWR04 U 1 1 580C1BC1 P 5600 2500 F 0 "#PWR04" H 5600 2350 50 0001 C CNN F 1 "+3.3V" H 5600 2640 50 0000 C CNN F 2 "" H 5600 2500 50 0000 C CNN F 3 "" H 5600 2500 50 0000 C CNN 1 5600 2500 1 0 0 -1 $EndComp Text Label 4650 3150 0 50 ~ 0 GPIO17(GEN0) Text Notes 650 7600 0 50 ~ 0 ID_SD and ID_SC PINS:\nThese pins are reserved for HAT ID EEPROM.\n\nAt boot time this I2C interface will be\ninterrogated to look for an EEPROM\nthat identifes the attached board and\nallows automagic setup of the GPIOs\n(and optionally, Linux drivers).\n\nDO NOT USE these pins for anything other\nthan attaching an I2C ID EEPROM. Leave\nunconnected if ID EEPROM not required. $Comp L Round2-rescue:Mounting_Hole-Mechanical MK1 U 1 1 5834FB2E P 3000 7200 F 0 "MK1" H 3100 7246 50 0000 L CNN F 1 "M2.5" H 3100 7155 50 0000 L CNN F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 3000 7200 60 0001 C CNN F 3 "" H 3000 7200 60 0001 C CNN 1 3000 7200 1 0 0 -1 $EndComp $Comp L Round2-rescue:Mounting_Hole-Mechanical MK3 U 1 1 5834FBEF P 3450 7200 F 0 "MK3" H 3550 7246 50 0000 L CNN F 1 "M2.5" H 3550 7155 50 0000 L CNN F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 3450 7200 60 0001 C CNN F 3 "" H 3450 7200 60 0001 C CNN 1 3450 7200 1 0 0 -1 $EndComp $Comp L Round2-rescue:Mounting_Hole-Mechanical MK2 U 1 1 5834FC19 P 3000 7400 F 0 "MK2" H 3100 7446 50 0000 L CNN F 1 "M2.5" H 3100 7355 50 0000 L CNN F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 3000 7400 60 0001 C CNN F 3 "" H 3000 7400 60 0001 C CNN 1 3000 7400 1 0 0 -1 $EndComp $Comp L Round2-rescue:Mounting_Hole-Mechanical MK4 U 1 1 5834FC4F P 3450 7400 F 0 "MK4" H 3550 7446 50 0000 L CNN F 1 "M2.5" H 3550 7355 50 0000 L CNN F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 3450 7400 60 0001 C CNN F 3 "" H 3450 7400 60 0001 C CNN 1 3450 7400 1 0 0 -1 $EndComp Text Notes 3000 7050 0 50 ~ 0 Mounting Holes $Comp L Connector_Generic:Conn_02x20_Odd_Even P1 U 1 1 59AD464A P 6000 3550 F 0 "P1" H 6050 4667 50 0000 C CNN F 1 "Conn_02x20_Odd_Even" H 6050 4576 50 0000 C CNN F 2 "Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical" H 1150 2600 50 0001 C CNN F 3 "" H 1150 2600 50 0001 C CNN 1 6000 3550 1 0 0 -1 $EndComp Wire Wire Line 5700 4550 5700 4700 $Comp L Transistor_BJT:PN2222A Q1 U 1 1 60059F45 P 3500 3150 F 0 "Q1" H 3690 3196 50 0000 L CNN F 1 "PN2222A" H 3690 3105 50 0000 L CNN F 2 "Package_TO_SOT_THT:TO-92_Inline_Wide" H 3700 3075 50 0001 L CIN F 3 "https://www.onsemi.com/pub/Collateral/PN2222-D.PDF" H 3500 3150 50 0001 L CNN 1 3500 3150 -1 0 0 -1 $EndComp Wire Wire Line 3400 3350 3400 4550 Wire Wire Line 4400 3150 5800 3150 $Comp L Device:R R1 U 1 1 6008B29F P 4250 3150 F 0 "R1" V 4043 3150 50 0000 C CNN F 1 "10K" V 4134 3150 50 0000 C CNN F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4180 3150 50 0001 C CNN F 3 "~" H 4250 3150 50 0001 C CNN 1 4250 3150 0 1 1 0 $EndComp Wire Wire Line 3700 3150 4100 3150 $Comp L LED:CQY99 D1 U 1 1 6008EEA3 P 3900 2650 F 0 "D1" H 3850 2940 50 0000 C CNN F 1 "CQY99" H 3850 2849 50 0000 C CNN F 2 "LED_THT:LED_D5.0mm_IRGrey" H 3900 2825 50 0001 C CNN F 3 "https://www.prtice.info/IMG/pdf/CQY99.pdf" H 3850 2650 50 0001 C CNN 1 3900 2650 1 0 0 -1 $EndComp Wire Wire Line 4100 2650 4000 2650 Wire Wire Line 3700 2650 3400 2650 Wire Wire Line 5600 2650 4400 2650 Wire Wire Line 3400 2650 3400 2950 $Comp L LED:CQY99 D2 U 1 1 6008F502 P 4300 2650 F 0 "D2" H 4250 2940 50 0000 C CNN F 1 "CQY99" H 4250 2849 50 0000 C CNN F 2 "LED_THT:LED_D5.0mm_IRGrey" H 4300 2825 50 0001 C CNN F 3 "https://www.prtice.info/IMG/pdf/CQY99.pdf" H 4250 2650 50 0001 C CNN 1 4300 2650 1 0 0 -1 $EndComp Wire Wire Line 3400 4550 5700 4550 $EndSCHEMATC