diff --git a/README.md b/README.md
index 4428086..128b84b 100644
--- a/README.md
+++ b/README.md
@@ -14,3 +14,4 @@ All **source code** is copyright © 2019 Andrew Belt and licensed under the [BSD
 The **VCV logo and icon** are copyright © 2017 Andrew Belt and may not be used in derivative works.
 
 The **panel graphics** in the `res` directory are copyright © 2019 [Grayscale](http://grayscale.info/) and licensed under [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/).
+You may not create modified adaptations of these graphics.
diff --git a/src/Merge.cpp b/src/Merge.cpp
index ca07341..13cf63d 100644
--- a/src/Merge.cpp
+++ b/src/Merge.cpp
@@ -18,12 +18,12 @@ struct Merge : Module {
 		NUM_LIGHTS
 	};
 
-	dsp::Counter lightCounter;
+	dsp::ClockDivider lightDivider;
 	int channels;
 
 	Merge() {
 		config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
-		lightCounter.setPeriod(512);
+		lightDivider.setDivision(512);
 		onReset();
 	}
 
@@ -45,7 +45,7 @@ struct Merge : Module {
 		outputs[POLY_OUTPUT].setChannels((channels >= 0) ? channels : (lastChannel + 1));
 
 		// Set channel lights infrequently
-		if (lightCounter.process()) {
+		if (lightDivider.process()) {
 			for (int c = 0; c < 16; c++) {
 				bool active = (c < outputs[POLY_OUTPUT].getChannels());
 				lights[CHANNEL_LIGHTS + c].setBrightness(active);
diff --git a/src/SequentialSwitch.cpp b/src/SequentialSwitch.cpp
index 1c0fd55..0172a0e 100644
--- a/src/SequentialSwitch.cpp
+++ b/src/SequentialSwitch.cpp
@@ -26,7 +26,7 @@ struct SequentialSwitch : Module {
 	dsp::SchmittTrigger clockTrigger;
 	dsp::SchmittTrigger resetTrigger;
 	int index = 0;
-	dsp::Counter lightCounter;
+	dsp::ClockDivider lightDivider;
 	dsp::SlewLimiter clickFilters[4];
 
 	SequentialSwitch() {
@@ -37,7 +37,7 @@ struct SequentialSwitch : Module {
 			clickFilters[i].rise = 400.f; // Hz
 			clickFilters[i].fall = 400.f; // Hz
 		}
-		lightCounter.setPeriod(512);
+		lightDivider.setDivision(512);
 	}
 
 	void process(const ProcessArgs &args) override {
@@ -102,7 +102,7 @@ struct SequentialSwitch : Module {
 		}
 
 		// Set lights
-		if (lightCounter.process()) {
+		if (lightDivider.process()) {
 			for (int i = 0; i < 4; i++) {
 				lights[CHANNEL_LIGHT + i].setBrightness(index == i);
 			}
diff --git a/src/Split.cpp b/src/Split.cpp
index 81c3443..88352ab 100644
--- a/src/Split.cpp
+++ b/src/Split.cpp
@@ -18,11 +18,11 @@ struct Split : Module {
 		NUM_LIGHTS
 	};
 
-	dsp::Counter lightCounter;
+	dsp::ClockDivider lightDivider;
 
 	Split() {
 		config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
-		lightCounter.setPeriod(512);
+		lightDivider.setDivision(512);
 	}
 
 	void process(const ProcessArgs &args) override {
@@ -33,7 +33,7 @@ struct Split : Module {
 		}
 
 		// Set channel lights infrequently
-		if (lightCounter.process()) {
+		if (lightDivider.process()) {
 			for (int c = 0; c < 16; c++) {
 				bool active = (c < inputs[POLY_INPUT].getChannels());
 				lights[CHANNEL_LIGHTS + c].setBrightness(active);
diff --git a/src/Sum.cpp b/src/Sum.cpp
index f070036..6470023 100644
--- a/src/Sum.cpp
+++ b/src/Sum.cpp
@@ -21,16 +21,16 @@ struct Sum : Module {
 	};
 
 	dsp::VuMeter2 vuMeter;
-	dsp::Counter vuCounter;
-	dsp::Counter lightCounter;
+	dsp::ClockDivider vuDivider;
+	dsp::ClockDivider lightDivider;
 
 	Sum() {
 		config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
 		configParam(LEVEL_PARAM, 0.f, 1.f, 1.f, "Level", "%", 0.f, 100.f);
 
 		vuMeter.lambda = 1 / 0.1f;
-		vuCounter.setPeriod(16);
-		lightCounter.setPeriod(256);
+		vuDivider.setDivision(16);
+		lightDivider.setDivision(256);
 	}
 
 	void process(const ProcessArgs &args) override {
@@ -43,12 +43,12 @@ struct Sum : Module {
 		sum *= params[LEVEL_PARAM].getValue();
 		outputs[MONO_OUTPUT].setVoltage(sum);
 
-		if (vuCounter.process()) {
-			vuMeter.process(args.sampleTime * vuCounter.period, sum / 10.f);
+		if (vuDivider.process()) {
+			vuMeter.process(args.sampleTime * vuDivider.getDivision(), sum / 10.f);
 		}
 
 		// Set channel lights infrequently
-		if (lightCounter.process()) {
+		if (lightDivider.process()) {
 			for (int c = 0; c < 16; c++) {
 				bool active = (c < inputs[POLY_INPUT].getChannels());
 				lights[CHANNEL_LIGHTS + c].setBrightness(active);
diff --git a/src/Unity.cpp b/src/Unity.cpp
index 7758638..fd95d14 100644
--- a/src/Unity.cpp
+++ b/src/Unity.cpp
@@ -25,14 +25,14 @@ struct Unity : Module {
 
 	bool merge = false;
 	dsp::VuMeter2 vuMeters[2];
-	dsp::Counter lightCounter;
+	dsp::ClockDivider lightDivider;
 
 	Unity() {
 		config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
 		configParam(AVG1_PARAM, 0.0, 1.0, 0.0, "Ch 1 average mode");
 		configParam(AVG2_PARAM, 0.0, 1.0, 0.0, "Ch 2 average mode");
 
-		lightCounter.setPeriod(256);
+		lightDivider.setDivision(256);
 	}
 
 	void process(const ProcessArgs &args) override {
@@ -67,7 +67,7 @@ struct Unity : Module {
 			vuMeters[i].process(args.sampleTime, mix[i] / 10.f);
 		}
 
-		if (lightCounter.process()) {
+		if (lightDivider.process()) {
 			// Lights
 			for (int i = 0; i < 2; i++) {
 				lights[VU_LIGHTS + 5 * i + 0].setBrightness(vuMeters[i].getBrightness(0.f, 0.f));
diff --git a/src/Viz.cpp b/src/Viz.cpp
index 3351adf..0d459c0 100644
--- a/src/Viz.cpp
+++ b/src/Viz.cpp
@@ -18,17 +18,17 @@ struct Viz : Module {
 	};
 
 	int lastChannels = 0;
-	dsp::Counter lightCounter;
+	dsp::ClockDivider lightDivider;
 
 	Viz() {
 		config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
-		lightCounter.setPeriod(16);
+		lightDivider.setDivision(16);
 	}
 
 	void process(const ProcessArgs &args) override {
-		if (lightCounter.process()) {
+		if (lightDivider.process()) {
 			lastChannels = inputs[POLY_INPUT].getChannels();
-			float deltaTime = args.sampleTime * lightCounter.period;
+			float deltaTime = args.sampleTime * lightDivider.getDivision();
 
 			for (int c = 0; c < 16; c++) {
 				float v = inputs[POLY_INPUT].getVoltage(c) / 10.f;