commit 77d3621f8e1b7e62361b6b6b3190e2bd5ec22175
parent 299b7b159c600a0c4d768e0c47c9298c837e84c6
Author: Martin Kloeckner <mjkloeckner@gmail.com>
Date: Wed, 4 Feb 2026 22:20:30 -0300
add potentiometer with switch to toggle output
Diffstat:
2 files changed, 598 insertions(+), 404 deletions(-)
diff --git a/pwm_driver_kicad/pwm_driver_kicad.kicad_sch b/pwm_driver_kicad/pwm_driver_kicad.kicad_sch
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(font
(size 1.27 1.27)
diff --git a/pwm_driver_kicad/pwm_driver_spice_simulation_models/Potentiometer_SW.lib b/pwm_driver_kicad/pwm_driver_spice_simulation_models/Potentiometer_SW.lib
@@ -0,0 +1,35 @@
+* Potentiometer with switch
+* _
+* 4-- o `-o --5
+* _____
+* 1--|_____|--3
+* |
+* 2
+*
+* Nodes:
+* 1 = CCW
+* 2 = Wiper
+* 3 = CW
+* 4 = Switch terminal 1
+* 5 = Switch terminal 2
+
+.subckt POT_SW 1 2 3 4 5
++ PARAMS: R=10k POS=0.5 SW_ON=0
+
+* Potentiometer (linear)
+R1 1 2 {R*(1-POS)}
+R2 2 3 {R*POS}
+
+* Switch as low or high impedance
+RSW 4 5 R={if(SW_ON>0.5, 0.05, 1e9)}
+
+* Switch with control voltage (0 or 1V)
+* BCTRL CTRL 0 V={SW_ON}
+*
+* Switch model
+* .model SWMOD SW(Ron=0.1 Roff=1Meg Vt=0.5 Vh=0.1)
+*
+* Switch instance
+* S1 4 5 CTRL 0 SWMOD
+
+.ends POT_SW
