In accounting, liabilities are obligations of the company to transfer something of value (an asset-see above) to another party. On a company s balance sheet, a liability may be a legal debt or an accrual, which is an estimate of an obligation. Equity is the owner's value in an asset or group of assets.
A stable variable power supply with an adjustable output voltage from 5 volts to 30 volts can be
For most small scale electronics, the power consumption is (is or at least could be with better design) very low. For those times when you don't need a lot of power, just a precise voltage level, the simplest means of regulating the supply voltage is by using a Zener diode.