EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr User 11988 8268 encoding utf-8 Sheet 1 6 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Sheet S 900 600 1450 1650 U 60FE1698 F0 "Power" 50 F1 "Power.sch" 50 F2 "BTN_PWR" O R 2350 900 50 F3 "PW_HOLD" I R 2350 1000 50 F4 "MEAS_VBATT" O R 2350 1300 50 F5 "MEAS_EN" I R 2350 1400 50 F6 "+BATT" B L 900 1200 50 $EndSheet $Sheet S 7050 2950 1450 1900 U 60FE21EE F0 "NFC" 50 F1 "NFC.sch" 50 F2 "SPI_MOSI" I L 7050 3500 50 F3 "SPI_SCK" I L 7050 3600 50 F4 "SPI_MISO" I L 7050 3700 50 F5 "NFC_SPI_CS" I L 7050 3800 50 F6 "NFC_RX" I L 7050 4050 50 F7 "NFC_TX" I L 7050 4150 50 $EndSheet $Sheet S 3700 600 2450 4300 U 60FFCEAC F0 "CPU" 50 F1 "CPU.sch" 50 F2 "NRST" I L 3700 3050 50 F3 "DAC_LRCK" O R 6150 1000 50 F4 "DAC_BCLK" O R 6150 900 50 F5 "DAC_DATA" O R 6150 1100 50 F6 "ADC1_IN2" I L 3700 1300 50 F7 "NFC_TX" I R 6150 4150 50 F8 "NFC_RX" I R 6150 4050 50 F9 "BTN_PWR" I L 3700 900 50 F10 "MEAS_EN" O L 3700 1400 50 F11 "PW_HOLD" O L 3700 1000 50 F12 "NFC_MISO" I R 6150 3700 50 F13 "NFC_SPI_CS" O R 6150 3800 50 F14 "NFC_SPI_SCK" O R 6150 3600 50 F15 "NFC_SPI_MOSI" O R 6150 3500 50 F16 "~DAC_SDMODE" O R 6150 1450 50 $EndSheet $Sheet S 7050 600 1450 1700 U 60FDB9AA F0 "I2S_DAC_AMP" 50 F1 "I2S_DAC_AMP.sch" 50 F2 "I2S_SD_MODE" I L 7050 1450 50 F3 "I2S_BCLK" I L 7050 900 50 F4 "I2S_LRCLK" I L 7050 1000 50 F5 "I2S_DIN" I L 7050 1100 50 F6 "SPKOUT+" O R 8500 1400 50 F7 "SPK_OUT-" O R 8500 1500 50 $EndSheet Wire Wire Line 6150 900 7050 900 Wire Wire Line 7050 1000 6150 1000 Wire Wire Line 6150 1100 7050 1100 Wire Wire Line 6150 3500 7050 3500 Wire Wire Line 7050 3600 6150 3600 Wire Wire Line 6150 3700 7050 3700 Wire Wire Line 7050 3800 6150 3800 Wire Wire Line 6150 4050 7050 4050 Wire Wire Line 7050 4150 6150 4150 Wire Wire Line 2350 900 3700 900 Wire Wire Line 2350 1000 3700 1000 Wire Wire Line 2350 1300 3700 1300 Wire Wire Line 3700 1400 2350 1400 Wire Wire Line 6150 1450 7050 1450 $Comp L Connector_Generic:Conn_01x02 J3 U 1 1 611410AC P 9000 1400 F 0 "J3" H 9080 1392 50 0000 L CNN F 1 "Conn_01x02" H 9080 1301 50 0000 L CNN F 2 "Connector_PinHeader_1.27mm:PinHeader_1x02_P1.27mm_Vertical" H 9000 1400 50 0001 C CNN F 3 "~" H 9000 1400 50 0001 C CNN 1 9000 1400 1 0 0 -1 $EndComp Wire Wire Line 8800 1400 8500 1400 Wire Wire Line 8800 1500 8500 1500 $Comp L Leo_muziekdoos-eagle-import:MOUNTINGHOLE3.0 M1 U 1 1 6115ABB0 P 7900 6550 F 0 "M1" H 7950 6600 50 0001 C CNN F 1 "MOUNTINGHOLE3.0" H 7900 6550 50 0001 C CNN F 2 "MountingHole:MountingHole_3mm" H 7900 6550 50 0001 C CNN F 3 "" H 7900 6550 50 0001 C CNN 1 7900 6550 1 0 0 -1 $EndComp $Comp L Leo_muziekdoos-eagle-import:MOUNTINGHOLE3.0 M2 U 1 1 6115AFF4 P 8400 6550 F 0 "M2" H 8450 6600 50 0001 C CNN F 1 "MOUNTINGHOLE3.0" H 8400 6550 50 0001 C CNN F 2 "MountingHole:MountingHole_3mm" H 8400 6550 50 0001 C CNN F 3 "" H 8400 6550 50 0001 C CNN 1 8400 6550 1 0 0 -1 $EndComp Wire Wire Line -300 150 850 150 Wire Wire Line 2550 3100 3250 3100 Wire Wire Line 2550 4150 3300 4150 Text HLabel 7450 2950 2 50 Output ~ 0 PROG_TX Text HLabel 7450 3050 2 50 Input ~ 0 PROG_RX Wire Wire Line 6900 2950 7450 2950 Wire Wire Line 6900 3050 7450 3050 $EndSCHEMATC