fix bug

firmware/pd-psu_v3/pd-psu_v3.ino

@@ -67,5 +67,5 @@ void loop() {
   USBSerial_println(((float)currentReading / 100));
 
   //Update OLED display
-  PS_Screen(voltageReading, currentReading, isCCMode);
+  PS_Screen(voltageReading/10, currentReading, isCCMode);
 }