Fix example displaying Watts instead of Milliwatts

Author: BertanT

examples/ina228_simpletest.py

@@ -21,7 +21,7 @@
     print(f"Current: {ina228.current*1000:.2f} mA")
     print(f"Bus Voltage: {ina228.bus_voltage:.2f} V")
     print(f"Shunt Voltage: {ina228.shunt_voltage*1000:.2f} mV")
-    print(f"Power: {ina228.power:.2f} mW")
+    print(f"Power: {ina228.power*1000:.2f} mW")
     print(f"Energy: {ina228.energy:.2f} J")
     print(f"Temperature: {ina228.die_temperature:.2f} °C")
     time.sleep(1)