Version 4
SHEET 1 880 680
WIRE 32 -32 -64 -32
WIRE 192 -32 192 -96
WIRE 192 -32 32 -32
WIRE 304 -32 192 -32
WIRE 432 -32 432 -96
WIRE 432 -32 304 -32
WIRE 576 -32 432 -32
WIRE 672 -32 576 -32
WIRE 304 -16 304 -32
WIRE 192 48 192 -32
WIRE 432 48 432 -32
WIRE -64 64 -64 -32
WIRE 32 64 32 -32
WIRE 304 64 304 48
WIRE 576 64 576 -32
WIRE 672 64 672 -32
WIRE -64 160 -64 128
WIRE 32 160 32 128
WIRE 32 160 -64 160
WIRE 192 160 192 128
WIRE 192 160 32 160
WIRE 272 160 192 160
WIRE 432 160 432 128
WIRE 432 160 352 160
WIRE 576 160 576 128
WIRE 576 160 432 160
WIRE 672 160 672 128
WIRE 672 160 576 160
WIRE 192 192 192 160
WIRE 432 192 432 160
WIRE 192 336 192 272
WIRE 320 336 192 336
WIRE 432 336 432 272
WIRE 432 336 320 336
WIRE 320 416 320 336
WIRE 272 496 48 496
WIRE 320 576 320 512
FLAG 320 576 0
FLAG 48 496 OCR1B
IOPIN 48 496 In
FLAG 192 -96 7.4V
FLAG 432 -96 7.4V
FLAG 304 64 0
SYMBOL sw 192 32 R0
SYMATTR InstName S1
SYMBOL sw 192 176 R0
SYMATTR InstName S2
SYMBOL sw 432 32 M0
SYMATTR InstName S3
SYMBOL sw 432 176 M0
SYMATTR InstName S4
SYMBOL nmos 272 416 R0
SYMATTR InstName IRLZ34N
SYMBOL res 368 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName MOTOR
SYMBOL diode 48 128 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 592 128 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL diode -48 128 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMBOL diode 688 128 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMBOL polcap 288 -16 R0
WINDOW 3 24 56 Left 2
SYMATTR InstName C1
SYMATTR Value 840µ
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=750m Rser=0.095 Lser=0 mfg="Nichicon" pn="UPL0J821MPH6" type="Al electrolytic"