Amp Meter Wiring Diagram Resistor. In ammeter designs external resistors added to extend the usable range of the movement are connected in parallel with the movement rather than in series as is the case for voltmeters. In the diagram above the wire colours shown in brackets refer to model TC0002.
With your diagrams I verified my connection and finally found that load was simply too low. The schematic diagram shows the connection of the Arduino Uno with LCD resistor and LED. Now you need to create a break in the wiring between the negative - terminal of the power source and the power input for the item receiving power.
If the needle on your analog meter is not at zero when there isnt incoming power.
Its meant to help all the average person in developing a suitable program. Nearly all meter failures from overload or oddly behaving meters are caused by equipment wiring or design errors. Arduino Uno is the power source of the all other components. A wiring diagram is a simplified traditional photographic representation of an electric circuit.