Build your own volt and amp meter.
Placed onBelow is the diagram with the necessary connections to get the meter working. (If the input voltage is higher than 5v, a resistor must be placed between the LED.)
![](https://cdn.bodanius.com/uploads/1/c9a78f4b17f6e52a4948f3745b6b94521569c6a7067_x.jpg)
Below is the diagram with the necessary connections to get the meter working. (If the input voltage is higher than 5v, a resistor must be placed between the LED.)