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DIY a Raspberry Pi Based Plant Observation System
Hackster.io members Damir Mukametkarim and Artem Savchuk have created a great tutorial on building a Raspberry Pi plant monitoring system, harnessing the features of Azure IoT and Node.js. As you can see from the image above, the core of the system is the Azure Internet of Things hub which allows transferring telemetry from sensors to…
LEWE: the biometric wristband
The Lewe project aims to collect and use available technologies to make a low cost idea that is applicable to all sectors using sensors for data collection. This project goal is the development of a communication protocol, named Jack, able to transport data reliably making communication between multiple devices easier and real-time. All this could…
Solar Boost Bag: the Portable Solar Charger You Might Need
If you would like to add a solar panel to your favourite backpack or bag you may be interested in a new tutorial published to the Adafruit website detailing how you can boost the power from a small solar panel to directly charge your smartphone store the energy in a lithium ion battery for use…
ApplePi DAC: the most advanced and highest performance sound card hat for the Raspberry Pi
Orchard Audio has launched a Kickstarter campaign for its ApplePi DAC audio HAT add-on for the Raspberry Pi and it has quickly surpassed its $5K Kickstarter goal. ApplePi DAC HAT board is promoted as “the most advanced and highest performance sound card hat for the Raspberry Pi.” The board is driven by dual TI Burr…
The BF 15+15W open source power amp
A compact stereo amplifier that may be used at home as well as in the car, and also to substitute broken audio power amplifiers or to create bench power amps for the analysis of audio devices. When repairing audio devices, it is always useful to have a BF amplifier on your workbench; all the…
Big Spectrum Analyzer with Arduino
Let’s put together a pixel strip with an HL1606, an Arduino UNO and the Spectrum Shield to build a seven bands “large” Spectrum Analyzer of simple construction. [iframe_loader src=”http://www.youtube.com/embed/bVw02EXmmdo?hl=it&fs=1″ height=”349″ width=”425″ ] The components The Strip used uses the HL1606 controller to allow direct management of each of the LEDs. The chip runs two…
