The New Light-responsive Nano LEDs
A team of researchers from the US and South Korea reported a unique type of NanoLEDs with unprecedented brightness levels, that excess 80,000 cd/m2, and also can operate both as light emitters and light detectors. These new LEDs are about 50nm long and 6nm in diameter. As described in...
Continue ReadingLow profile target connectors, 2.21mm above the board
Mill-Max has released its lowest profile target connectors to date with an above board height of only 2.21mm. Target connectors are used in place of SMT pads on a PCB as the mating surface for spring-loaded pins. Low profile target connectors, 2.21mm above the board -...
Continue ReadingBluetooth chip is only 4x4mm
by Julien Happich @ edn-europe.com: Part of the Swatch group, EM Microelectronic announced what the company believes to be the world's smallest Bluetooth chip. Offered in a 4x4mm QFN-28 package, in a WLCSP-21 or as a bare-die, the EM9304 is optimized for Bluetooth v4.2 low energy...
Continue ReadingSuper cheap ‘lab-on-a-chip’
by Eric Bogers @ elektormagazine.com: Researchers from the Stanford University School of Medicine, using a combination of microfluidics, electronics and a standard inkjet printer, have succeeded in producing a biochip that can be used for research or diagnostic purposes. The...
Continue ReadingSimple negative resistance oscillators
Bob tipped us about a simple oscillator that uses negative resistance: Normally -according to the Ohm's law- when the applied voltage is increasing, the current is increasing too, however some components can break this law. When the voltage increases, current decreases. This is...
Continue ReadingStay Connected While Travelling Without Fees With VoxEra
Mobile Roaming allows you to stay connected wherever you are and receive calls and SMSs, but with very expensive cost. So if you don’t have enough budget, you will lose your incoming calls till you are back from a travel. A team of innovators from Egypt had developed a new device...
Continue ReadingPixel 2.0, Arduino Zero-Like Board With Smart Display
The Pixel is an Arduino-compatible smart display, combining a 32-bit Cortex M0+ MCU with 32K of RAM, a 1.5" 128x128 color OLED screen, and a microSD slot all in one package. This is Rabid Prototypes’ second iteration of Pixel, which originally raised nearly $10,000 on Kickstarter...
Continue ReadingRaspberry Pi I2C LCD Set Up and Programming
In this video Circuit Basics show us how to use I2C to connect an LCD to the Raspberry Pi. After showing you how to connect the LCD to the Pi with a PCF8574 (http://www.circuitbasics.com/pj6v), they show you how to program it. First I'll cover the basic stuff like printing text to the...
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