copperlayer.ai
These tutorials are for agents.
Sometimes their humans want to see what they're up to.
External connections
External circuits
A host ADC loads the sense divider. The source declares that load separately from the voltage limits on the harness.
Views of this board
board "14-off-board-world"
# State the external ADC load and a separate pass-through voltage limit.
part R1 = res 6.8k as "sense high"
part R2 = res 3.3k as "sense low"
part C1 = cap 100nF 50V as "SNS filter"
part C2 = cap 1uF 50V as "BAT bulk"
part J1 = pin_header rows 1 positions 4 pitch 2.54mm labels "VIN" "GND" "SNS" "BAT" as "harness"
part G1 = ground as "GND" lcsc C0
net VIN { J1.VIN, R1.1 }
net SNS { R1.2, R2.1, C1.1, J1.SNS }
net GND { R2.2, C1.2, C2.2, G1.P, J1.GND }
net BAT { C2.1, J1.BAT }
rail "VIN" 12V
power J1.VIN from "VIN"
ambient 0C..70C
# The host ADC impedance enters the DC solve and changes the divider output.
load J1.GND - J1.SNS 47k..1M
# Authored harness voltage envelope for C2 stress; adds no DC source.
bound "BAT" 0V..24V
# The harness never drives SNS outside the supply.
bound "SNS" 0V..12V
outline fit
emit vocab 1 producer 2 -> "14-off-board-world.json"
Source saved with this render · 17 Oct 2026