Electronics related projects, circuits, etc.
A small portable freezer that can work with any power bank and without using harmful CFC gases Ever heard of a 5V portable freezer ? Yes, you heard it right. In this DIY we design a 5V portable freezer that is easy to carry even while travelling. A freezer or a refrigerator work on same […] The post Smallest Portable Mini Refrigerator appeared first on Electronics For You.
Embedded system project that generally involves a microcontroller unit (MCU) user interface (UI) is a common and inevitable requirement. The simple form of arriving this option of UI is with the help of a monochrome LCD, which serves as a basic output device and a matrix keypad interface for accepting inputs from the user. In […] The post Design Of Interrupt Based Matrix Keypad Embedded-C Driver For A Microcontroller appeared first on Electronics For You.
This data logging system can be used to interface an external or internal sensor of Raspberry Pi Pico board. The project has many advantages, including the use of internal temperature sensor of Raspberry Pi Pico board; so an external temperature sensor is not required. Second, the easily detachable microSD card can be used to record […] The post Data Logging Using microSD And Raspberry Pi Pico appeared first on Electronics For You.
As smart devices are increasing day by day, there is need to add smartness to the old, rugged iron box. An iron box contains a simple resistive heater and thermostat to control iron’s temperature according to the fabric. Sometimes mishandling of the iron box can cause severe fire accidents. Here is a smart method to […] The post Smart Switch Box For Electric Iron appeared first on Electronics For You.
BCD Stands For Binary Coded Decimal. A Watch Which Is Neither Analog Nor Digital, This Is A Binary Watch Which Shows Time In Binary Numbers. Why Did I Make This? I Want To Make A Watch Which Represents My Profession, So Instead Of A Simple Watch I Came With A Unique Idea. This Watch Shows […] The post BCD Watch appeared first on Electronics For You.
Sometimes we do not notice that the battery has drained out and as a result the connected equipment does not work properly. By connecting this simple 24V/12V battery voltage level indicator circuit across the battery, you can check its voltage level any time. The circuit can be used to check 24V and 12V batteries both. […] The post 24V/12V Battery Voltage Level Indicator appeared first on Electronics For You.
Designing wireless charging systems for small-size electronic devices like smartwatches, AirPods, Bluetooth headsets, etc. is very difficult. Added to that only a few types of these devices support wireless charging. While none of the earphones today can be charged wirelessly, a charging case is provided for both charging and storing the earphones. On the other […] The post Wireless Charging Circuit For Micro Sized Werable Earbuds And Devices appeared first on Electronics For You.
Here is a simple project of mono audio amplifier using a single IC KIA6278P. IC1 has 8-pin legs. This amplifier will give an output power of 1 Watt on a power supply of 6 Volts on a 4 Ohms loudspeaker. IC1 KA6278P can be easily purchase in a market and also costs not expensive. Circuit […] The post Simple 1 Watt Mono Audio Amplifier appeared first on Electronics For You.
Tracking and detecting suspicious activities is one of the most demanding tasks for security personnel and systems. If a security system fails in a place like airport or bank, criminals can rob at gunpoint. Out of fear, the victims are usually unable to call the police in time for help. But if a smart camera […] The post AI Camera For Tracking Suspicious Activities appeared first on Electronics For You.
Well, we have seen that using ESP32 one can send data to cloud server like thingspeak.com but this transmission is rather very slow. Your machine may be powerful enough to send data every second but the ultimate throughput is decided by slow data path allowed by thingspeak.com server. A better process A better process is […] The post Published By telegram Received by Python appeared first on Electronics For You.
Smart home solutions enable controlling the electrical devices such as lights, fans, water heater, water pumping motor, kitchen accessories etc. Smart contracts work on Blockchain and control these devices. In this mini-project, a peer to peer (P2P) network is built with two GCP (Google Cloud Platform) based VM(Virtual Machine)s and one RPI(Raspberry) based systems. These […] The post Smart Home Solution Using Smart Contract appeared first on Electronics For You.
“An opportunity in life to monitor each and every data of the health and a safety measure which analyse the real-time data and send emergency indication or message with an ornament rather than a device – Welcome to the new age of health monitoring ” while working on an IoT based DAQ system using the […] The post Smart Werable Ring appeared first on Electronics For You.
The wearable AC cum Heater was already published in EFY. In the wearable AC cum heater, the fan will rotate and cool the body based on the temperature and vice versa. We proposed some of the additional features for this product which are discussed below. In this project, we additionally proposed a portable health monitoring device […] The post Wearable IoT Health Monitoring System appeared first on Electronics For You.
This project is to design a robot to detect toxic gases emitted from the coal mine. It is used to detect the level of temperature and humidity inside the coal mine and it is also to detect the fire inside the coal mine and extinguish it. Coal mines are more prone to fires, this is […] The post Coal Mining Robot appeared first on Electronics For You.
Robotics is a part of today’s communication. Nowadays many industries are using robots, due to their high level of performance, which is a great help for human society also. Likewise in many industries, we have seen heavy components which they have to move from one place to another place, which is not possible without the […] The post High Torque Servo Motor and Obstacle Avoiding appeared first on Electronics For You.
Health is characterized as a full state of physical, mental, and social well-being and not merely a lack of illness. Health is a fundamental element of people’s need for a better life. Unfortunately, the global health problem has created a dilemma because of certain factors, such as poor health services, the presence of large gaps […] The post An IoT Based Health Monitoring System With Medicine Box appeared first on Electronics For You.
Smartphone batteries don’t last for long, and charging cables, which can break after a few months of use, can be annoying. Wireless Chargers can be a convenient alternative – you simply set it and forget it. But how does it work, exactly? While wireless charging may seem like a recent invention, its origins date back […] The post Wireless Electricity Charger appeared first on Electronics For You.
Time period and frequency are the two most important parameters associated with a wave, may it be analogue or digital. Whereas, frequency is the number of complete cycles of a wave occurring in a specific amount of time (generally a second), time period, on the other hand, is the duration in which a complete wave cycle […] The post Time Period Cum Pulse Width Cum Capacitance Meter appeared first on Electronics For You.
Power has very important requirement in human life. Every house hold equipment requires power to run Fridge, TV, Geyser, Microwave Oven, Induction Heater Water Pump even Mobile chargers, etc. whether mechanical power generated by an oil-engine or electrical power by a motor to run different types of machines. Oil is limited in natural stock & […] The post Run Induction Motor By Battery appeared first on Electronics For You.
This robot can be controlled with a smartphone using Bluetooth through an Android app. Its three sensors can measure four parameters: temperature, humidity, soil moisture, and ambient light intensity in greenhouses, farms, gardens, parks, etc. Usually robots like robotic hand, agriculture robot, fire-fighting robot, spy robot, snake robot, humanoid, bomb (or mine) diffusing robot operate […] The post Bluetooth Controlled Data Logger Robot For Soil Testing appeared first on Electronics For
Bluetooth is a technology that has swept over the music industry. From headsets to speakers, bluetooth has made life easy for music lovers. At the same time, the cost for bluetooth enabled products has also increased. This DIY shows how to create your own Bluetooth speaker and music player(using the SD card module). Both the […] The post Bluetooth Music Player and Speaker appeared first on Electronics For You.
LDR (Light Dependent Resistor) is a special type of resistor that works on the photoconductivity principle means that resistance changes according to the intensity of light. To read more about LDRs: click here. There are many Electronics projects which use LDRs as their main driver of the circuit. In the list below, we list the […] The post Top 10 LDR based Electronics Projects appeared first on Electronics For You.
This project implements a Smart Plug project which can measure the Power, Current, Voltage of any load connected to it. The Android phone interface can be used to read the values from the plug and also controls its ON/OFF. The values are also regularly sent to the Android device for monitoring. This project will use […] The post Smart Plug With Android Interface appeared first on Electronics For You.
In this mini-project, a smart home solution from scratch constructed. AI-powered gesture recognition (Android) app can open or close a (remote) door. This mini-project involves technologies such as AI, Data Science, IoT, Android, Cloud computing etc. Abstract Smart home solutions involve AI and IoT technologies to control doors in order to ensure safety and security […] The post Smart Home Solution using Gesture Recognition appeared first on Electronics For You.
Voltage fluctuations and power cuts can damage electrical equipment and goods like submersible pumps, air-conditioners, television sets, and refrigerators. The circuit presented here (see Fig. 1) will protect the costly electrical items from high as well as low voltages. The circuit comprises step-down transformer X1, 2N2222 transistors T1 and T2, 1N4007 rectifier diodes D1-D3, a […] The post Circuit To Protect Appliances From High/Low Voltages appeared first on Electronics For You.