3 Digit Digital Voltmeter Circuit Diagram. The circuit as it is described here can display any dc voltage in the range of 0 1999 volts. The resistor r1 and capacitor c1 are used to set the internal oscillator clock frequency at 48hz clock rate at which there will be three readings per second.
Referring to the circuit diagram below the 3 digit digital display module is build through the ics ca 3162 which is an analogue to digital converter ic and the complementary ca 3161 ic which is bcd to 7 segment decoder ic both these ics are manufactured by rca. The ac voltage is measured to reduce voltage same the dc voltmeter circuit. Diy electronics electronics projects dc circuit power supply circuit electronic schematics electrical wiring diagram arduino electronic circuit circuits.
Saved by arturs mekšs.
You may not be able to find an ic. You may not be able to find an ic. Uses 3161 ca3162 ics. Referring to the circuit diagram below the 3 digit digital display module is build through the ics ca 3162 which is an analogue to digital converter ic and the complementary ca 3161 ic which is bcd to 7 segment decoder ic both these ics are manufactured by rca.
