PCB
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How to Interface RFM69HCW RF Module with Arduino for Wireless Communication When it comes to giving your projects wireless capabilities, the 433Mhz ASK Hybrid Transmitter and receiver is a common choice among engineers, developers, and hobbyists because of Its Low Price, easy to use libraries and its community support. We have also built few projects like RF controlled Home Automation and Wireless Doorbell using this 433MHz RF module. But often-… |
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4-Channel Relay Driver Circuit and PCB Design Relays are frequently used in our electronics applications specially when we need to drive high loads from microcontroller circuits. So in this DIY project, we make a 4-Channel Relay Driver Circuit to be used in relay based applications. In-here we have designed an isolated PCB for 4 relays to operate 4 AC appliances at a time. We have put a three pin screw terminal… |
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DIY Pick and Place Robotic Arm using ARM7-LPC2148 ARM Microcontroller Robotic Arms, are one of the fascinating engineering creations and it is always fascinating to watch these things tilt and pan to get complex things done just like a human arm would. These robotic arms can be commonly found in industries at the assembly line performing intense mechanical work like welding, drilling, painting etc, recently advanced robotic arms with high… |
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12V 1A SMPS Power Supply Circuit Design on PCB Every Electronic device or product requires a reliable power supply unit (PSU) to operate it. Almost all devices in our home, like TV, Printer, Music Player etc. consists of a power supply unit built into it which converts the AC mains voltage to a suitable level of DC voltage for them to operate. The most commonly used of type of power supply circuit is the SMPS (Switching… |
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DIY Arduino Power Supply Shield with 3.3v, 5v and 12v Output Options When developing electronic projects, the power supply is one of the most important part of whole project and there is always need of multiple output voltage power supply. This is because different sensors need different input voltage and current to run efficiently. In this scenario, a power supply which can output multiple voltages becomes very important. There are options… |
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Lora Based GPS Tracker using Arduino and LoRa Shield Knowing the whereabouts of a particular object/person has always been comforting. Today, GPS is being extensively used in asset management applications like Vehicle Tracking, Fleet Tracking, Asset monitoring, Person tracking, Pet Tracker etc. For any tracking device the primary design consideration will be about its battery expectancy and monitoring range. Considering both,… |
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Single Cell Boost Converter Circuit using Coin Cell – 5V Output Battery cells are the most commonly used energy source to power portable electronics. Be it a simple alarm clock or an IoT sensor node or a complex mobile phone everything is powered by batteries. In most cases these portable devices need to have a small form factor (package size) and hence it is powered by a single cell battery, like the popular CR2032 Lithium cell or the… |
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DIY Location Tracker using GSM SIM800 and Arduino Self-driving cars and connected vehicles, is sure to change the way we commute in the future. Today companies like Tesla are encouraging its owners to lend out their cars as robot taxis when not used, recently its CEO Elon Musk took it to twitter to state that there will be more than 1 million robot taxis on road by 2020. This will not only impact general… |
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Google Assistant Based Voice Controlled Home Automation using DIY Arduino Wi-Fi Shield Humans and machines interact and communicate with one other in many possible ways, computers have monitor, keyboard and mouse, while smart phones have touch screen, gesture control etc and even AR and VR is on its way. But the most basic tool used by humans to communicate is vocal communication, we have the capability to listen and speak and if the machines could somehow do… |
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Digital Wall Clock on PCB using AVR Microcontroller Atmega16 and DS3231 RTC Every digital clock has a crystal inside it to keep track of time. This crystal is not only present in the clock but also present in all computing real-time systems. This crystal generates clock pulses, which is needed for timing calculations. Although there are some other ways to get clock pulses for higher accuracy and frequency, but the most preferred way… |
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7.4V Two Step Lithium Battery Charger Circuit - CC and CV mode The advancement in Electric Vehicles, Drone and other mobile electronics like IoT Devices seems to be promising for the future. One common thing among all these is that they are all powered by batteries. Following Moore’s law the electronic devices tend to become smaller and more potable, these portable devices should have their own source of power to operate. The most… |
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Robotic Arm Control using PIC Microcontroller From the assembly line of automobile manufacturing industries to the telesurgery robots in space, Robotic Arms are to be found everywhere. The mechanisms of these robots are similar to a human which can be programmed for similar function and increased capabilities. They can be used to perform repeated actions faster and accurate than humans or can be used in harsh… |
