diff --git a/src/tempsense.c b/src/tempsense.c
--- a/src/tempsense.c
+++ b/src/tempsense.c
@@ -8,13 +8,35 @@
 
 void tempsense_init(void)
 {
+	// Maybe don't perform temp sensor setup in here, but in readtemp?
+	// what happens if the user changes the tempsense type while running?
+	// we need to re-init...
+
 
 }
 
+// Returns the latest reading from the configured temperature sensor
 float tempsense_readtemp(void)
 {
-	// TODO: Support multiple temperature sensors
 
+	switch(flash_getsettings()->val.sensor_type)
+	{
+		case SENSOR_TC_K:
+		case SENSOR_TC_E:
+		case SENSOR_TC_N:
+		case SENSOR_TC_R:
+		case SENSOR_TC_S:
+		case SENSOR_TC_T:
+		{
+			// Read MAX31856
+		} break;
+
+		case SENSOR_NTC:
+		{
+			// Read analog value from internal ADC, linearize the reading, etc
+		} break;
+
+	}
 
 	// either return latest reading from DMA loop (NTC, etc)
 	// or initiate a blocking read and return it.