Multimeter

Arduino and ESP32 Based Power Meter ESP32 Based Power Meter - Measuring Input Power and Output Power to Calculate Efficiency

We are all aware of a basic voltmeter, ammeter, and wattmeters, the three basic things you need to measure values on any…

Reverse Polarity Protection Circuit using RT1720 Over Voltage, Over Current, Transient Voltage & Reverse Polarity Protection Circuit using RT1720 Hot Swap Controller with Fault Timer

Oftentimes in an electronic circuit, it's absolutely necessary to use a special protection unit to protect the circuit from…

Multimeter Testing How to Test if Multimeter is Working & Tips to Use it Properly

Multimeters are a super handy piece of electrical test equipment and as the name suggests, they can measure a variety of…

ESP32 Active Mode and Deep Sleep Mode Power Consumption Comparison ESP32 Active Mode and Deep Sleep Mode Power Consumption Comparison

ESP32 is one of the most popular Wi-Fi based microcontroller modules and it is a popular choice in many Portable IoT…

Arduino Based Low Resistance Meter Build Your Very Own Low Resistance Meter with Arduino

If you are a maker like me and looking for some interesting projects online, a milliohm meter is one easy and useful thing you…

High Power Boost Converter Circuit using TL494 Designing a High Power, High Efficiency Boost Converter using TL494

While working with electronics, we often find ourselves in situations where it becomes necessary to step up the output voltage…

SMPS Power Supply Board Testing How to Test a SMPS Power Supply Board

To verify product functionalities and design parameters, a power supply circuit requires sophisticated testing methods and…

Programmable Gain Amplifier using MOSFET and Transistor Programmable Gain Amplifier using MOSFET and Transistor

In the measurement industry, a very crucial functional block is a Programmable Gain Amplifier (PGA). If you are an electronic…

555 Timer Charge Pump Circuit Positive and Negative Charge Pump Circuit

In a previous article, I have shown you how you can build your own switched capacitor voltage converter circuit using the…

How to Measure Current with an Oscilloscope How to Measure Current with an Oscilloscope

Measuring current is a simple task – all you need to do is hook up a multimeter to the circuit you want to measure and the…