Arduino Basic Voltmeter

How to make a simple arduino voltage meter without resistor.

Today we make a simple voltage meter with Arduino. When I testing the ESP WiFi range, I found that the wifi range too low. I need a multimeter but not found around me. I use arduino as multimeter. Open Arduino IDE Software. Write code below on your project.


NAT4464 is a system designed to provide Internet access for devices that do not support IPv6 where access is only provided with IPv6. The difference between nat64 and server-side software is required as well as software on the modem.