def fuse():
s = sch.Schematic(name='Fuse',
refdes='F',
show_pin_text=False)
s.features = [
sch.Pin(numbers=1, pos=(-100, 0), len=60, dir=sch.Pin.Right, type=sch.Pin.Passive),
sch.Pin(numbers=2, pos=(100, 0), len=60, dir=sch.Pin.Left, type=sch.Pin.Passive),
sch.Arc(center=(-20, 0), radius=20, angle_start=180, angle_end=0),
sch.Arc(center=(20, 0), radius=20, angle_start=0, angle_end=-180),
]
return s
def switch():
s = sch.Schematic(name='Switch SPST',
refdes='S',
show_pin_text=False,
show_name=False)
s.features = [
sch.Pin(numbers=1, pos=(-100, 0), len=50, dir=sch.Pin.Right, type=sch.Pin.Passive),
sch.Pin(numbers=2, pos=(100, 0), len=50, dir=sch.Pin.Left, type=sch.Pin.Passive),
sch.Line(points=[(-50, 0), (50, 50)]),
]
return s
def schottky_diode():
s = sch.Schematic(name='Schottky Diode',
refdes='D',
show_pin_text=False,
show_name=False)
s.features = [
sch.Pin(numbers=1, pos=(-100, 0), len=100, dir=sch.Pin.Right, type=sch.Pin.Passive),
sch.Pin(numbers=2, pos=(100, 0), len=100, dir=sch.Pin.Left, type=sch.Pin.Passive),
sch.Line(points=[(-25, -25), (25, 0), (-25, 25)], filled=True),
sch.Line(points=[(15, -15), (15, -25), (25, -25), (25, 25), (35, 25), (35, 15)]),
]
return s
def zener_diode():
s = sch.Schematic(name='Zener Diode',
refdes='D',
show_pin_text=False,
show_name=False)
s.features = [
sch.Pin(numbers=1, pos=(-100, 0), len=100, dir=sch.Pin.Right, type=sch.Pin.Passive),
sch.Pin(numbers=2, pos=(100, 0), len=100, dir=sch.Pin.Left, type=sch.Pin.Passive),
sch.Line(points=[(-25, -25), (25, 0), (-25, 25)], filled=True),
sch.Line(points=[(30, -25), (25, -20), (25, 20), (20, 25)])
]
return s
def power_flag():
s = sch.Schematic(name='PWR_FLAG',
refdes='#FLG',
show_pin_text=False,
show_name=False,
show_refdes=False,
power_symbol=True)
s.features = [
sch.Line(points=[(0, 0), (0, 25)]),
sch.Line(points=[(0, 25), (100, 75), (0, 125), (-100, 75), (0, 25)]),
sch.Text(pos=(0, 75), text='PWR', font_size=40),
sch.Pin(numbers=1, name='pwd', type=sch.Pin.PowerFlag, shape=sch.Pin.Hidden),
]
return s
def vcc(name='VCC'):
s = sch.Schematic(name=name,
refdes='#PWR',
description='{0} power rail'.format(name),
show_pin_text=False,
show_refdes=False,
power_symbol=True)
s.features = [
sch.Line(points=[(0, 0), (0, 50)]),
sch.Line(points=[(-50, 50), (50, 50)]),
sch.Pin(numbers=1, name=name, type=sch.Pin.Power, shape=sch.Pin.Hidden),
]
s.name.pos = (0, 100)
return s
def resistor():
s = sch.Schematic(name='Resistor',
refdes='R',
show_pin_text=False)
s.features = [
sch.Pin(numbers=1, pos=(-100, 0), len=20, dir=sch.Pin.Right, type=sch.Pin.Passive),
sch.Pin(numbers=2, pos=(100, 0), len=20, dir=sch.Pin.Left, type=sch.Pin.Passive),
sch.Line(points=[
(-80, 0), (-70, 20), (-60, 0), (-50, -20),
(-40, 0), (-30, 20), (-20, 0), (-10, -20),
(0, 0), (10, 20), (20, 0), (30, -20),
(40, 0), (50, 20), (60, 0), (70, -20),
(80, 0)
]),
]
return s
def gnd(name='GND'):
s = sch.Schematic(name=name,
refdes='#PWR',
description='{0} ground rail'.format(name),
show_pin_text=False,
show_refdes=False,
power_symbol=True)
s.features = [
sch.Line(points=[(0, 0), (0, -50)]),
sch.Line(points=[(-50, -50), (50, -50)]),
sch.Line(points=[(-25, -75), (25, -75)]),
sch.Line(points=[(-5, -100), (5, -100)]),
sch.Pin(numbers=1, name=name, type=sch.Pin.Power, shape=sch.Pin.Hidden),
]
s.name.pos = (0, -150)
return s