Test and Measurement
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Interfacing DHT22 Humidity & Temperature Sensor with Arduino The DHT22 temperature and humidity sensor is a versatile and cost-effective sensor used to measure ambient temperature and humidity for a wide range of applications. It is based on a digital signal output and can provide high-accuracy measurements with a resolution of 0.1 degrees Celsius for temperature and 0.1% for humidity. The sensor uses a capacitive humidity… |
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Arduino not working? Troubleshoot Tips and Tricks to make It Work The Arduino platform is one of the most popular platforms for electronics enthusiasts and hobbyists for building electronic projects. Sometimes an Arduino board may not work as you might have expected and you might be wondering what the problem is. In this blog, we will learn the reasons why your Arduino board may not be working and how to… |
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Easy To Build DIY Digital Multimeter using Arduino to Test Voltage, Resistance, LED, Diode and Continuity Discover how you can build a professional digital multimeter using Arduino that measures up to 24V DC voltage, checks resistance, conducts diode testing, and performs continuity tests. This comprehensive Arduino based multimeter project provides full circuit diagrams, programming code, and even a 3D printed enclosure design. A… |
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Compact 50 Watt Open Frame AC/DC Power Supplies for Industrial Applications Traco Power has released the new TPI 50A-J series which is a 50 Watt AC/DC open frame power supplies series with a 3000 VAC reinforced isolation system designed to meet the ErP directive (< 0.3 W no-load power consumption) and EMC characteristics dedicated for applications in industrial/automation and test & measurement fields. … |
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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 electronic projects or circuits. Measuring voltage and current with the help of a multimeter can be a good way to start, but one of the biggest problems I face while testing a circuit is, measuring power efficiency. So, today we… |
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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 parameters such as voltage, resistance, current, and many more. Apart from this, it can also be used to debug faulty circuits, learn about other people's electronic designs, and even test a battery. Hence the 'multi'-'meter' name. But how do you use a… |
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All you need to know about a Signal Generator and how to select one!! A Signal Generator is one of the most important lab equipment for an Electronics Engineer. A waveform or an electrical signal is generated using this device which lets an engineer to design and optimize their systems. As a result, these devices are mostly used in various systems as test instruments, development systems, and so on. Signal generators come in a variety of… |
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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 Applications. It is a powerful controller that supports Dual Core Programming and also has in-built Bluetooth Low Energy (BLE) support making it a good choice for portable applications like in iBeacon devices, GPS Trackers, etc. However, in Battery-powered… |
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Two-channel 5 GHz and 16 GHz Sampler-Extended Real-Time Oscilloscopes to Provide High-Speed Performance at Lower Cost Designed to analyze repetitive or clock-derived signals, PicoScope 2-channel 9402 Sampler-Extended Real-time Oscilloscope (SXRTO) series by Saelig Company offer high-speed performance at less than half the cost of other conventional benchtop solutions already available in the market. These new devices feature two high-resolution 12-bit channels driven by the equivalent-time… |
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Understanding IR Remote Protocols to build your own IR Signal Decoder using TSOP and PIC Microcontroller IR remote is one of the simplest, easiest, and cheapest ways to transfer data wirelessly. The range of this device is not that much but that's exactly why it is perfect for simple Home Automation projects, TV Remotes, and others. Because of such a project, I had to interface an IR remote with a PIC microcontroller. My initial objective was to find a library for IR… |
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Design an Arduino Based Encoder Motor using PID Controller In industrial automation and control, PID controller has become one of the most reliable control algorithms that can be implemented to stabilize the output response of any system. PID stands for Proportional-Integral-Derivative. These three types of control mechanism are so combined that it produces an error signal, and this error signal is used as feedback to control the… |
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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 can make. The basic principle of this circuit is based around a constant current source, which we have covered in one of our previous articles. A milliohm meter is a device that can be used to determine the values of small resistors, the resistance… |
