diff --git a/slave/slave/lib/sensors.c b/slave/slave/lib/sensors.c
--- a/slave/slave/lib/sensors.c
+++ b/slave/slave/lib/sensors.c
@@ -254,12 +254,20 @@ void sensors_readAnalog(uint8_t pin)
 	analog[pin] = (analog[pin] * 10.0) / 67.4;
 }
 
-void sensors_readDigital(uint8_t pin)
+void sensors_readDigitalPORTA(uint8_t pin)
 {
 	DDRA &= ~(1 << pin);		// Set pin to input
-	digital = PINA;
+	digital |= (~(1 << pin)) & PINA;
 }
 
+void sensors_readDigitalPORTD(uint8_t pin)
+{
+	if(pin > 3 && pin < 7)
+	{
+		DDRD &= ~(1 << pin);		// Set pin to input
+		digital |= (~(1 << pin)) & PIND;
+	}
+}
 
 int16_t sensors_getSpiTemp(void)	// Gets spi temperature from variable
 {
diff --git a/slave/slave/lib/sensors.h b/slave/slave/lib/sensors.h
--- a/slave/slave/lib/sensors.h
+++ b/slave/slave/lib/sensors.h
@@ -18,7 +18,8 @@ void sensors_readHumid(void);		// Reads 
 void sensors_readLux(void);			// Reads lux
 void sensors_readBatt(void);		// Reads battery voltage from ADC
 void sensors_readAnalog(uint8_t pin);	// Reads generic analog voltage from ADC
-void sensors_readDigital(uint8_t pin);	// Reads generic analog voltage from ADC
+void sensors_readDigitalPORTA(uint8_t pin);	// Read digital pin on PORTA
+void sensors_readDigitalPORTD(uint8_t pin); // Read digital pin on PORTD
 
 int16_t sensors_getSpiTemp(void);	// Gets spi temperature from variable
 int8_t sensors_getBoardTemp(void);	// Gets board temperature from variable