If you are looking for some low cost panel meters, MPJA has one on sale for $3.95:
http://www.mpja.com/10-16-12.asp?r=205577&s=17
You'll have to make your own multiplier / shunt circuit to measure voltage or current and provide its own supply voltage (9V).
Here is a great link to a PDF for making shunt / multiplier circuits to measure current or voltage:
http://www.jaycar.com.au/images_uploaded/shuntmul.pdf
Bill
http://www.mpja.com/10-16-12.asp?r=205577&s=17
You'll have to make your own multiplier / shunt circuit to measure voltage or current and provide its own supply voltage (9V).
Here is a great link to a PDF for making shunt / multiplier circuits to measure current or voltage:
http://www.jaycar.com.au/images_uploaded/shuntmul.pdf
Bill
