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4-bit Binary Calculator

“I developed an interest in the way computers work on a fundamental level. I wanted to understand the use of discrete components and the circuits necessary to accomplish more complex tasks. One important fundamental component in a CPU is the …

Arduino Calculator Using 4X4 Keypad

“In this tutorial we will build our own calculator with Arduino. The values can be sent in through a keypad (44 keypad) and result can be viewed on a LCD screen. This calculator could perform simple operations like Addition, Subtraction …

Arduino Pwm Solar Charge Controller ( V 2.02)

“If you are planning to install an off-grid solar system with a battery bank, youll need a Solar Charge Controller. It is a device that is placed between the Solar Panel and the Battery Bank to control the amount of …

Automatic Load (Vacuum) Switch With ACS712 and Arduino

“Hi Everyone, Running a power tool in a closed space is a hustle, because of all of the dust created in the air and dust in the air, means dust in your lungs. Running your shop vac can eliminate some …

Back to the Future Antigravity Water Drop - Seeeduino Lotus

“Is there an instant in which you want time to go backwards? Look closely at the water droplet. Is it dripping down or going up? Time is like a torrent, pushing people forward. Is there an instant in which you …

Controller for 3 Magnetic Loop Antennas With Endstop Switch

“This project is for those ham amateurs who don’t have a commercial one . It’s easy to build with a soldering iron, a plastic case and a little knowledge of arduino.The controller is made with budget components you …

DIY Educational Micro:bit Robot

“This instructable will show you how to build a relatively accessible, capable and cheap robot. My goal in designing this robot was to propose something which most people could afford, for them to teach computer science in an engaging way …

Electronic Loud Horn Using 555 Timer

“The LM555 generates an electronic horn signal which is amplified by an LM386. The tone and volume of the horn can be easily varied. The horn can be used in a car, scooter, cycle, and motorbike. Electronic Components: 1x IC …

Fraunhofer HHI introduces new USB LiFi modules with up to 1 Gbit/s

“The Fraunhofer Heinrich Hertz Institute HHI was the first to succeed in developing a USB-operated LiFi system with low power consumption, thus achieving the world’s highest data rate of up to 1 Gbit/s in a mobile LiFi …

GPS Monitoring With OLED Display Project

“Hello everyone, in this quick article I will share with you my project :ATGM332D GPS module with SAMD21J18 Microcontroller and SSD1306 OLED 128*64 display, I built a special PCB for it on Eagle Autodesk, and program it using Atmel …