Hks-va028-v2.0

It looks like you’re referencing a part number: .

Here is the informative text regarding . hks-va028-v2.0

Key implication: expect interaction with vehicle systems, engine sensors, actuators, or firmware flashing tools—so electrical, mechanical, and software compatibility matters. It looks like you’re referencing a part number:

If using a 50A or 100A version, you must use an external shunt . Powering it without one can cause the display to malfunction or the board to burn. or firmware flashing tools—so electrical