Digit Dmm
how to design ohmmeter using max133 or max 1499?
I need someone help me out find the schematic for ohmmeter using maxim MAX133 or MAX 1499. if you use the other A/D device is will be fine too. if it if the update to date A/D device with 3 to 5 digit DMM circuit.
Ohmmeters merely measure the voltage across the unknown R with a fixed current flowing (constant current supply). R = E/I . So if I =1 then R = E or if I = .1 then R = 10 E and so on.
Digital Multimeter, 6½ Digit with Built-in data logger
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