diff --git a/src/bus/i2c.c b/src/bus/i2c.c
index df2e696..afd3a72 100644
--- a/src/bus/i2c.c
+++ b/src/bus/i2c.c
@@ -144,8 +144,6 @@ int I2C_SetChannel(int channel)
 {
 	unsigned char crb;
 
-	Info("Switching I2C channel to %d...", channel);
-
 	// Excerpts taken from the PCA9546A datasheet:
 	// https://www.ti.com/lit/ds/symlink/pca9546a.pdf
 
diff --git a/src/bus/pwm.c b/src/bus/pwm.c
index cdd89d1..97773fd 100644
--- a/src/bus/pwm.c
+++ b/src/bus/pwm.c
@@ -24,28 +24,34 @@ int PWM_Init(void)
 
 	// The 328P would allow us to use OCR2A as top but with
 	// 8-bit this gives us a really low duty step size of 2.5%.
+	// Ideal would be two 16-bit timers with two outputs each.
 
 	// Timer2: Fast mode, non-inverting, top=0xFF, prescale /8
 	// Top set to 8000000 (f_cpu) / 8 (prescale) / 25000 (f_pwm) - 1
 	// TCCR2 = BIT(WGM20) | BIT(WGM21) | BIT(COM21) | BIT(CS21);
 	// OCR2 = 40 - 1; // XXX: OCR2A=top OCR2B=duty
+
 	TCCR2 = 0;
 	OCR2 = 0;
 
 	return 0;
 }
 
-// Port must be PD4, PD5 or PD7 and the value is
-// expected to be in the range between 0 and 100
+// Value in range 0-100 is expected
 void PWM_SetValue(int port, int value)
 {
 	int n;
 
-	if (port != PD4 && port != PD5 && port != PD7)
+	if (port != FAN01 && port != FAN02 && port != FAN03)
 		return; // Invalid port
 
 	n = CLAMP(value, 100, 0) * (PWM_CYCLE_TOP / 100.0f);
-	Info("Setting PWM value to %d...", n);
+
+	Info("Setting duty cycle for %s to %d/%d...",
+		(port == FAN01) ? "FAN01" :
+		(port == FAN02) ? "FAN02" :
+		(port == FAN03) ? "FAN03" :
+		"UNKNOWN", n, PWM_CYCLE_TOP);
 
 	switch (port) {
 	case PD4: OCR1B = n; break;
diff --git a/src/main.c b/src/main.c
index c094ffb..7a5c7d3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -77,26 +77,28 @@ int Init(void)
 
 void Update(void)
 {
-	float temp, rhum;
+	float temp[3], rhum[3];
 	short raw[4];
 
+	Info("Reading sensor values...");
+
 	I2C_SetChannel(AHT01);
-	if (I2C_AHT20_Read(&temp, &rhum) == 0)
-		Info("TEMP=%.2fC, RHUM=%.2f%", temp, rhum);
+	I2C_AHT20_Read(&temp[0], &rhum[0]);
 
 	I2C_SetChannel(AHT02);
-	if (I2C_AHT20_Read(&temp, &rhum) == 0)
-		Info("TEMP=%.2fC, RHUM=%.2f%", temp, rhum);
+	I2C_AHT20_Read(&temp[1], &rhum[1]);
 
 	I2C_SetChannel(AHT03);
-	if (I2C_AHT20_Read(&temp, &rhum) == 0)
-		Info("TEMP=%.2fC, RHUM=%.2f%", temp, rhum);
+	I2C_AHT20_Read(&temp[2], &rhum[2]);
 
 	raw[0] = I2C_ADS1115_Read(0);
 	raw[1] = I2C_ADS1115_Read(1);
 	raw[2] = I2C_ADS1115_Read(2);
 	raw[3] = I2C_ADS1115_Read(3);
 
+	Info("TEM0=%.2fC, RH0=%.2f%%", temp[0], rhum[0]);
+	Info("TEM1=%.2fC, RH1=%.2f%%", temp[1], rhum[1]);
+	Info("TEM2=%.2fC, RH2=%.2f%%", temp[2], rhum[2]);
 	Info("ADC0=%04X, ADC1=%04X, ADC2=%04X, ADC3=%04X",
 		raw[0], raw[1], raw[2], raw[3]);
 }