That’s how nano solar cells work!
by Harry Baggen @ elektormagazine.com Researchers from the AMOLF institute and Eindhoven University of Technology have developed a theory and an experimental method that for the first time provide a detailed description of how a nanoscale solar cell works. Previously this was difficult...
Continue ReadingMesh Networking Module Supports ZigBee and Thread
Silicon Labs, an energy-friendly solution provider, produced a new family of Wireless Gecko modules for mesh networking applications and supporting ZigBee and Thread software. Mesh network is a network topology which each node relays data for the network. All mesh nodes cooperate in...
Continue ReadingDIY portable spectrometer
Spectral signature is a characteristic property of a material that represent how the matter interacts with an electromagnetic radiation at different wavelengths. By looking at the reflectance spectra of a material, scientists can not only retrieve vital information like the chemical...
Continue ReadingBLE Carbon, The New $28 IoT Edition SBC
Linaro, a collaborative engineering organization consolidating and optimizing open source software and tools for the ARM architecture, is bringing together industry and the open source community to work on key projects, reduce industry wide fragmentation, and provide common software...
Continue ReadingTurn Your Raspberry Pi Into An OBD2
Thomas Beck started a new project to develop a Raspberry Pi based OBD2, On-Board Diagnostic tester, to read vehicle data, trouble codes, and read monitor data. He had developed earlier a firmware for the elektor OBD Analyser NG, a handheld analyser with graphical display, ARM Cortex M3...
Continue ReadingTraffic status on a wall clock
Use of traffic navigation apps to minimize the wait time on road is very common for drivers these days. Google navigation gathers data from the drivers who are navigating via Google Maps and shows the traffic flow on smartphones in real time. While this is a great feature to have in...
Continue ReadingACS714-30A Current Sensor module
The Allegro ACS714-30A provides economical and precise solution for AC or DC current sensing in automotive systems. The device package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, switched-mode power...
Continue Reading64×16 MQTT LED Matrix Display
Xose Pérez @ tinkerman.cat build a MQTT LED matrix display to get notification messages. My MQTT network at home moves up and down a lot of messages: sensor values, triggers, notifications, device statuses,… I use Node-RED to forward the important ones to PushOver and some others...
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