PCB
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Smart Universal Remote with Learning Function and Google Assistant Support In our day-to-day life, we use various gadgets such as television, set-top boxes, air conditioners, home theatre, DVD players, and many other remote-operated devices. Different gadgets means maintaining different remote controls which are not only clumsy but also difficult to manage. Universal remote control simplifies our life because it helps us control any IR… |
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DIY ESP32 Oscilloscope The oscilloscope is a must-have test instrument for any electronics engineer. It is used to visualize and observe various signals, usually as a two-dimensional plot with one or more signals plotted against time. They are used in designing and debugging electronic devices to view and compare waveforms, and determine voltage levels, frequency, noise, and other… |
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Design and Build a Compact 3.3V/1.5A SMPS Circuit for Space Constraint Applications Switching Mode Power Supply (SMPS) is an interesting component that uses a compact design within a space of one or two inches and could be easily soldered in the PCB. It is a hot cake in this electronics industry and there are lots of companies that manufacture this thing. How nice it would be if we can build a standard SMPS circuit that could be fitted in a limited space… |
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High Power Inverting Buck-Boost Converter Circuit Design with TL494 IC The buck-boost converter is a DC-DC converter that uses the same concept of both the buck and boost converter but in a simplified combined circuit. As the name implies, the main feature of a buck-boost converter is its capability of making the output voltage constant even though the input voltage drops below the output voltage that means this circuit can work both in… |
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Multicell Voltage Monitoring for Lithium Battery Pack in Electric Vehicles The mileage and performance of an Electric Vehicle depends on the capacity and efficiency of its Battery Pack. To maintain the battery pack in full health is the responsibility of the Battery Management System (BMS). A BMS is a sophisticated unit in an EV which does a lot of activity like monitoring the cells, balancing them and even protecting them from… |
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Low Power IoT Based Compact Soil Moisture Monitoring Device There are several soil monitor sensors available that can be easily interfaced with the Arduino or other Embedded modules and can be programmed for different types of projects such as Smart Agriculture Monitoring System. The problem is not having a combined, retrofit module that can easily be used in different projects or applications as needed… |
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How to Build an 18650 Lithium Battery Charger and Booster Module In this tutorial, we are going to build a Lithium Battery Charger & Booster Module by combining the TP4056 Li-Ion Battery Charger IC and FP6291 Boost Converter IC for a single-cell Lithium battery. A battery module like this will be very useful when powering our electronic projects with lithium batteries. The module can safely charge a lithium battery and boost its… |
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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 overvoltage, overcurrent, transient voltage, and reverse polarity and so on. So, to protect the circuit from these surges, Richtek Semiconductor introduced the RT1720A IC which is an oversimplified protection IC designed to meet the needs. The low-cost… |
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Build a Simple Stereo Audio Amplifier Board using TDA2822 An audio amplifier is an Electronic circuit that amplifies low-power audio signals to a level suitable for driving Loudspeaker. These Amplifiers are used in wireless communications and broadcasting, and in audio equipment of all kinds. There are many classes of Amplifiers and we have previously built a lot of Audio Amplifier circuits ranging from small… |
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Design and Build your own High Power USB Hub Port Extender Today, our desks are full of devices that require connection to be connected with the PC via USB, or we need to work with multiple devices that have USB ports. It became a problem as Laptops lack multiple ports, and this is where a USB hub or USB Port Extender comes in handy. This comprehensive guide demonstrates how to build a professional DIY USB hub with a power supply using… |
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DIY ESP8266 based Smart Doorbell with Mobile Alert Notification This project shows how to convert a normal doorbell into a WIFI-based doorbell which notifies on your phone when there is a bell press. I came up with this idea when I noticed that my parents being old couldn't hear the doorbell sound and would miss couriers or any guest. Not just old people but also some people who work from home and have their… |
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Design and build a Raspberry Pi 18650 Li-ion Battery HAT to make your projects portable We have been using Raspberry Pi for a long time to create many exciting projects. But, oftentimes we face an issue in selecting the best power source for our projects, and sometimes when the power goes off, our raspberry pi turns off abruptly which might corrupt the OS or in the worst-case damage the board itself. So, today we are building our own Raspberry Pi Zero HAT… |
