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https://github.com/johndoe6345789/metabuilder.git
synced 2026-04-25 22:34:56 +00:00
129 lines
4.1 KiB
Python
129 lines
4.1 KiB
Python
from .Board import Board, TOP_SILK, BOTTOM_SILK
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def create_voltage_divider():
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"""Return a board with a simple voltage divider (two resistors)."""
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board = Board(width=7, height=5)
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board.set_layer_stack(["GTL", "GBL", TOP_SILK, BOTTOM_SILK])
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vin = board.add_component("VIN", ref="J1", at=(0.5, 2.5))
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vin.add_pin("VCC", dx=0, dy=0)
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vin.add_pin("GND", dx=0, dy=-1)
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vin.add_pad("VCC", dx=0, dy=0, w=1, h=1)
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vin.add_pad("GND", dx=0, dy=-1, w=1, h=1)
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r1 = board.add_component("RES", ref="R1", at=(2.5, 2.5))
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r1.add_pin("A", dx=-0.5, dy=0)
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r1.add_pin("B", dx=0.5, dy=0)
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r1.add_pad("A", dx=-0.5, dy=0, w=1, h=1)
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r1.add_pad("B", dx=0.5, dy=0, w=1, h=1)
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r2 = board.add_component("RES", ref="R2", at=(4.7, 2.5))
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r2.add_pin("A", dx=-0.5, dy=0)
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r2.add_pin("B", dx=0.5, dy=0)
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r2.add_pad("A", dx=-0.5, dy=0, w=1, h=1)
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r2.add_pad("B", dx=0.5, dy=0, w=1, h=1)
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vout = board.add_component("VOUT", ref="J2", at=(6.4, 2.5))
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vout.add_pin("OUT", dx=0, dy=0)
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vout.add_pad("OUT", dx=0, dy=0, w=1, h=1)
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board.trace(vin.pin("VCC"), r1.pin("A"))
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board.trace(r1.pin("B"), r2.pin("A"))
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board.trace(r2.pin("B"), vout.pin("OUT"))
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board.trace(r2.pin("B"), vin.pin("GND"))
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return board
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def create_led_indicator():
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"""Return a board with a battery, resistor and LED."""
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board = Board(width=7, height=5)
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board.set_layer_stack(["GTL", "GBL", TOP_SILK, BOTTOM_SILK])
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bat = board.add_component("BAT", ref="BT1", at=(0.5, 2))
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bat.add_pin("VCC", dx=0, dy=0)
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bat.add_pin("GND", dx=0, dy=-1)
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bat.add_pad("VCC", dx=0, dy=0, w=1, h=1)
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bat.add_pad("GND", dx=0, dy=-1, w=1, h=1)
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r = board.add_component("RES", ref="R1", at=(2.5, 2))
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r.add_pin("A", dx=-0.5, dy=0)
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r.add_pin("B", dx=0.5, dy=0)
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r.add_pad("A", dx=-0.5, dy=0, w=1, h=1)
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r.add_pad("B", dx=0.5, dy=0, w=1, h=1)
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led = board.add_component("LED", ref="D1", at=(4.7, 2))
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led.add_pin("A", dx=-0.5, dy=0)
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led.add_pin("K", dx=0.5, dy=0)
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led.add_pad("A", dx=-0.5, dy=0, w=1, h=1)
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led.add_pad("K", dx=0.5, dy=0, w=1, h=1)
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board.trace(bat.pin("VCC"), r.pin("A"))
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board.trace(r.pin("B"), led.pin("A"))
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board.trace(led.pin("K"), bat.pin("GND"))
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return board
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def create_rc_lowpass():
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"""Return a board with a resistor and capacitor configured as a low-pass filter."""
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board = Board(width=7, height=5)
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board.set_layer_stack(["GTL", "GBL", TOP_SILK, BOTTOM_SILK])
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j1 = board.add_component("IN", ref="J1", at=(0.5, 2.5))
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j1.add_pin("VIN", dx=0, dy=0)
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j1.add_pin("GND", dx=0, dy=-1)
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j1.add_pad("VIN", dx=0, dy=0, w=1, h=1)
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j1.add_pad("GND", dx=0, dy=-1, w=1, h=1)
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r = board.add_component("RES", ref="R1", at=(2.5, 2.5))
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r.add_pin("A", dx=-0.5, dy=0)
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r.add_pin("B", dx=0.5, dy=0)
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r.add_pad("A", dx=-0.5, dy=0, w=1, h=1)
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r.add_pad("B", dx=0.5, dy=0, w=1, h=1)
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c = board.add_component("CAP", ref="C1", at=(4.8, 2.5))
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c.add_pin("A", dx=0, dy=0)
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c.add_pin("B", dx=0, dy=-1)
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c.add_pad("A", dx=0, dy=0, w=1, h=1)
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c.add_pad("B", dx=0, dy=-1, w=1, h=1)
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j2 = board.add_component("OUT", ref="J2", at=(6.3, 2.5))
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j2.add_pin("VOUT", dx=0, dy=0)
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j2.add_pad("VOUT", dx=0, dy=0, w=1, h=1)
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board.trace(j1.pin("VIN"), r.pin("A"))
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board.trace(r.pin("B"), j2.pin("VOUT"))
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board.trace(r.pin("B"), c.pin("A"))
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board.trace(c.pin("B"), j1.pin("GND"))
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return board
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def create_bent_trace(path=None):
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"""Return a board demonstrating a trace with a bend.
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Parameters
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----------
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path : list, optional
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Sequence of coordinates or Pin objects representing the trace path.
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If omitted, a default 90-degree bend is used.
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"""
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board = Board(width=5, height=5)
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board.set_layer_stack(["GTL", "GBL", TOP_SILK, BOTTOM_SILK])
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j1 = board.add_component("IN", ref="J1", at=(0.5, 2.5))
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j1.add_pin("SIG", dx=0, dy=0)
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j1.add_pad("SIG", dx=0, dy=0, w=1, h=1)
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j2 = board.add_component("OUT", ref="J2", at=(4.5, 2.5))
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j2.add_pin("SIG", dx=0, dy=0)
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j2.add_pad("SIG", dx=0, dy=0, w=1, h=1)
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if path is None:
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path = [j1.pin("SIG"), (2.5, 4.0), j2.pin("SIG")]
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board.trace_path(path)
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return board
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