This Power density calculator allows you to measure the power density from an antenna at a certain distance by providing the output power and gain values.

This battery life calculator allows you to estimate the battery runtime. You can calculate how long the battery will last depending on the battery capacity and the amount of current consumed by the circuit.

Estimate radar detection range instantly using transmitter power, antenna gain, frequency, and target parameters with this radar range calculator.

The Time Constant Calculator is also sometimes referred to as an RC filter calculator or Capacitor charge time calculator, since it is very useful when calculating the capacitor value for an RC filter or when calculating the energy stored in a capacitor.

Professional PCB trace width calculator using IPC-2221 standards. Calculate trace width, resistance, voltage drop, & power loss with flexible units. Free tool for engineers & students.

The Li-ion 2 Cell Battery Charger Universal AC with wire is a lightweight and compact charging solution for 3.7V Li-ion batteries. Its universal AC input makes it convenient for use in different voltage standards across the world.

In this video tutorial, we will guide you to check Inductor is working or not using Digital Multimeter.

HC-SR04 Ultrasonic sensor is a 4 pin module used in many applications where measuring distance or sensing objects are required. Check out this article to find more details about ultrasonic sensor like pinout, datasheet and technical specifications.

A potential divider circuit is a very common circuit used in electronics where an input voltage has to be converted to another voltage less than it. This circuit is very useful for all analog circuits where variable voltages are required, hence it is important to understand how this circuit works and how to calculate the values of Resistors.