Digital voltmeter circuit diagram using MC14433

Probe current voltage pin 420*4450 head diameter 5.0 over current current and voltage pin

TP-IP4220CZ6 5V 0.35PF breakdown voltage 6V SOT

Shunuo varistor / ESD varistor / product complete / Sunlord first-class agent

Factory direct sales - SMD aluminum electrolytic capacitor - straight plug solid capacitors, the products are imported from Japan, aluminum foil,

Design content and requirements:
1) Design digital voltmeter circuit; require DC voltage measurement range: 0V ~ 1.999V, 0V ~ 19.99V, 0V ~ 199.9V, 0V ~ 1999V;
2) Draw a schematic diagram of the digital voltmeter circuit; design a PCB board for the digital voltmeter circuit; 3) assemble and debug a 3-digit digital voltmeter.