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:special 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:25q40b LIBS:1206network LIBS:4427 LIBS:5050RGB LIBS:7805 LIBS:7805to220 LIBS:a4447sljtr LIBS:adc-ltc2450 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:avr6pin LIBS:avr_usb_3v3-cache LIBS:BELFuse_Ethernet LIBS:bluetoothedpa LIBS:bmp085 LIBS:bmp280 LIBS:bridge-MB2S-TP LIBS:crystal-4p LIBS:dmp2240udm LIBS:ds2438z LIBS:enc424j600 LIBS:esp12e LIBS:esp8266ex LIBS:esp8266-wi07-6 LIBS:exb-a LIBS:flipflop-sn74lvc1g175 LIBS:halleffect-tcs20dlr LIBS:ir2101 LIBS:l6470 LIBS:l6470-powerso36 LIBS:lis3mdl LIBS:lm386 LIBS:lsm9ds0 LIBS:lsm9ds1 LIBS:lsm303c LIBS:lsm303d LIBS:lsm303dlhc LIBS:ltc2471cms LIBS:ltv-846s LIBS:lvt-816s LIBS:mag3110 LIBS:max31855 LIBS:mcp1824_ct LIBS:mcp23008-qfn LIBS:mcp23008-soic LIBS:mfrc522 LIBS:microsd_1050270001 LIBS:mmpq2907a LIBS:mosdriver_ncp5901bmntbg LIBS:mosfet-lfpak56 LIBS:mosfetx2vdfn8 LIBS:mos_p_d2 LIBS:mpl3115a2 LIBS:neon14 LIBS:network0606 LIBS:nor-nc7sz02p5x LIBS:npn-2222 LIBS:opa832 LIBS:opto2-ltv-826s LIBS:ov2640_ribbon LIBS:pcbbom LIBS:pfetsot223 LIBS:photomos LIBS:pl140c LIBS:resonator6smd LIBS:rn-cay16-f4 LIBS:rs485-isl3170 LIBS:stm32f207 LIBS:stm32f301 LIBS:stm32f303 LIBS:stm32f303_32 LIBS:tcs3x7x LIBS:um5k1ntr LIBS:ws2812b LIBS:ws_switch LIBS:xfrmr2x2 LIBS:zener-sot23-3 EELAYER 27 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "26 sep 2015" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L LSM303C U? U 1 1 5607157A P 2950 2750 F 0 "U?" H 2550 2450 60 0000 C CNN F 1 "LSM303C" H 2650 3050 60 0000 C CNN F 2 "VFLGA-12" H 2500 3200 60 0000 C CNN F 3 "" H 2950 3950 60 0000 C CNN 1 2950 2750 1 0 0 -1 $EndComp Wire Wire Line 3700 2800 3850 2800 Wire Wire Line 3850 2800 3850 3450 Wire Wire Line 3000 3400 3850 3400 Connection ~ 3850 3400 $Comp L GND #PWR? U 1 1 560715BA P 3850 3450 F 0 "#PWR?" H 3850 3450 30 0001 C CNN F 1 "GND" H 3850 3380 30 0001 C CNN F 2 "" H 3850 3450 60 0000 C CNN F 3 "" H 3850 3450 60 0000 C CNN 1 3850 3450 1 0 0 -1 $EndComp $Comp L ATTINY441-QFN U? U 1 1 560718CF P 6000 2750 F 0 "U?" H 6600 3600 60 0000 C CNN F 1 "ATTINY441-QFN" H 6100 3600 60 0000 C CNN F 2 "QFN20" H 5950 2950 60 0000 C CNN F 3 "~" H 5950 2950 60 0000 C CNN 1 6000 2750 1 0 0 -1 $EndComp $Comp L MCP1824 U? U 1 1 5607195A P 2800 1350 F 0 "U?" H 2550 1650 60 0000 C CNN F 1 "TCR2EF25,LM" H 2900 1050 60 0000 C CNN F 2 "SOT23-5" H 2800 1600 60 0000 C CNN F 3 "" H 2800 1350 60 0000 C CNN 1 2800 1350 1 0 0 -1 $EndComp Text GLabel 3800 2700 2 60 Input ~ 0 2.5V Wire Wire Line 3800 2700 3700 2700 Text GLabel 3550 1250 2 60 Input ~ 0 2.5V Wire Wire Line 3550 1250 3400 1250 $Comp L +3.3V #PWR? U 1 1 56071990 P 2100 1200 F 0 "#PWR?" H 2100 1160 30 0001 C CNN F 1 "+3.3V" H 2100 1310 30 0000 C CNN F 2 "" H 2100 1200 60 0000 C CNN F 3 "" H 2100 1200 60 0000 C CNN 1 2100 1200 1 0 0 -1 $EndComp Wire Wire Line 2100 1200 2100 1450 Wire Wire Line 2100 1250 2200 1250 Wire Wire Line 2100 1450 2200 1450 Connection ~ 2100 1250 Wire Wire Line 2200 1350 2150 1350 Wire Wire Line 2150 1350 2150 1550 $Comp L GND #PWR? U 1 1 560719BB P 2150 1550 F 0 "#PWR?" H 2150 1550 30 0001 C CNN F 1 "GND" H 2150 1480 30 0001 C CNN F 2 "" H 2150 1550 60 0000 C CNN F 3 "" H 2150 1550 60 0000 C CNN 1 2150 1550 1 0 0 -1 $EndComp $EndSCHEMATC