Abstract: Historically, analog null meters have been used to determine zero voltage conditions in metrological applications. When digital multimeters (DMMs) became available with resolution comparable ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...

We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Abstract: In many industrial applications, digits on instrument display need to be automatically identified. In this paper, we propose a new feature extraction method based on non-luminous digital ...