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Control a 12V Lamp via SMS with Arduino
In this tutorial we’re going to show you how you can turn a 12V lamp on and off by sending SMS to your Arduino with the text “ON” and “OFF”, respectively. You can also request the current lamp state...
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Raspberry Pi Backup Guide
Make a sustainable Raspberry Pi backup server and save your files from occasional loss. Raspberry Pi backup is what you really need if you work on Raspbian. Believe me, you do! If you backup your...
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SMA Solar readout
Jean-Claude wanted to read SMA solar inverter data over Bluetooth and so he build this project. This is the first post of a 3-part series about reading out an SMA solar inverter over Bluetooth and...
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LT8650S – Dual Channel 4A, 42V, Synchronous Step-Down Silent Switcher
The LT8650S is a dual step-down regulator that delivers up to 4A of continuous current from both channels and supports loads up to 6A from each channel. The LT8650S features the second generation...
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Haasoscope – Cheap, flexible, data acquisition for all!
Haasoscope is the first open-source, open-hardware, flexible, small, cheap, oscilloscope and data-acquisition board. You can use the stock firmware for basic oscilloscope functionality, or modify the...
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Design and Implementation of a 12 Lead Portable ECG
Alex Lao and his team at McMaster University have developed a compact, battery powered, 12-lead electro-cardiogram: During the academic year of 2016-2017 at McMaster University, in conjunction with...
View ArticleArduino Two-Way Bluetooth Communication Tutorial
Welcome to another Arduino Tutorial! Today we are going to learn how to use Bluetooth to exchange data between two Arduino boards! As a demonstration project, we are going to build a simple weather...
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Researchers Developed New Efficient, Thin, and Flexible Cooling Device
Engineers and scientists from the UCLA Henry Samueli School of Engineering and Applied Science and SRI International, California, have created a thin flexible device that could keep smartphones and...
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OwnCloud on Raspberry Pi
Install OwnCloud on Raspberry Pi And make your own cloud server. OwnCloud set on Raspberry Pi can be a good example of smart cloud storage. A cloud storage is a cloud computing model in which the data...
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24-48V to 5V – 3A DC-DC Converter
24-48V input voltage range 3A output current DC-DC Converter using BD9G341AEFJ IC from ROHM semiconductor. This IC is ideal for high voltage to low voltage converter with 3A output current. Pin...
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MappyDot – Micro Smart LiDAR Sensor
Blecky @ hackaday.io: MappyDot is a smart ranging sensor which provides system designers with the ability to measure accurate distances on drones and robotic platforms for collision avoidance, area...
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Node-RED with Raspberry Pi Camera
In this project we’re going to take photos with Node-RED using the Raspberry Pi Camera Module V2. We’re using this application to monitor our 3D printer. You can edit the flow and the template to use...
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Making AI Projects Become Easier With NVIDIA Jetson
Hardware development boards became a key enabler for many of recent hardware projects. Such as Arduino and Raspberry Pi, these boards are great for beginners and hobbyists to kick start and bring ideas...
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Da Vinci Color, The First Full Color 3D Printer
3D Printing became an important process in prototyping, and sometimes in manufacturing. But till now, the filament types available in the market are limiting printing colors. Although there are many...
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Open Radiation Detector
Quickly identify radioactive materials with a pocket-sized ion chamber. Built from standard parts for easy manufacture and low cost. by Carlos Garcia Saura: Radioactivity is invisible and can be...
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uBoost Single AA to 3.3v 100mA Power Supply
µBoost is a Single AA powered, 3.3v 100mA power source and flashlight and it can run low power devices. µBoost is small, portable, 3.3v 100mA power source for low power devices like Arduino Mini. It...
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Grid-connected solar microinverter reference design
A PDF from Microchip on the theory behind inverter design connected to grip power.: There are two main requirements for solar inverter systems: harvest available energy from the PV panel and inject a...
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IoT Projects Is Now Easier With Bolt IoT Platform
Internet of Things (IoT) is one of the most important technologies these days. It became an essential component of many hardware projects core. And in order to make it easier for developers, Bolt IoT...
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50V – 10A Bidirectional DC Motor Driver Using A3941
This tiny board designed to drive bidirectional DC brushed motor of large current. DC supply is up to 50V DC. A3941 gate driver IC and 4X N Channel Mosfet IRLR024 used as H-Bridge. The project can...
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2018 Will Mark A Milestone in GPS Technology with 30-centimeter Accuracy
You’re in a crowded street with many high buildings around you and you find your car position on Google maps is wrong. That’s usual, right? This is caused from (fake/distorted) GPS signals reflected...
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