Osram Develops LED Beam Array Smart Headlamps That Can Analyze Road And Traffic
After over three years of research and field demos, a prototype of Osram’s EVIYOS smart, controllable, high resolution LED automotive headlamp was introduced at the International Symposium on Automotive Lighting earlier this year in Darmstadt, Germany. This smart LED headlamp is able...
Continue Reading1.2V-25V/10A Adjustable Power Supply Using Power Op-Amp
This is a small size power supply based on OPA549 power op-amp that provides output voltage 1.2V to 25V with 0 to 10A adjustable current limit. Two onboard trimmer potentiometers provided to adjust the voltage and current, LED D1 is over temperature indicator. The circuit works with...
Continue ReadingCould Sodium-ion Batteries be a Replacement for Li-ion Batteries?
In early 1990s lithium-ion batteries started gaining popularity as a substitute for nickel-cadmium batteries. They have higher energy density, low self- discharge, and low maintenance, but it was soon found that they have short life span, unstability which causes security concerns and...
Continue ReadingUsing an MMA7455 accelerometer with an ESP32 board
by shedboy71 @ microproducts.net discuss how to use MMA7455 accelerometer with ESP32 board. He writes: The MMA7455L is a Digital Output (I2C/SPI), low power, low profile capacitive micromachined accelerometer featuring signal conditioning, a low pass filter, temperature compensation,...
Continue ReadingXMotion All In One Controller for Robotics
If there is a motion, it must have XMotion. Recreating Arduino & interface circuits user focused. XMotion is Arduino Compatible all in one robot controller. Which designed specially for robotics, IOT and maker projects. It includes powerful Motor drivers, switching mode regulator,...
Continue ReadingNFC Key Protects Your Data by Disconnecting Chips From Antenna
Cameron Coward @ blog.hackster.io writes: Like most connected technology these days, near-field communication (NFC) is susceptible to hacking. By its very nature, NFC is normally accessible by anyone nearby. NFC, as it was originally intended, is designed to provide data wirelessly to...
Continue ReadingTransistors- The 70-year-old invention that changed the world
Its been 70 years since the fundamental building block of electronics was created, and it has been getting smaller, and better since then. The invention that won the Nobel prize for John Bardeen, Walter Brattain, and William Shockley in 1956 revolutionized electronics and made it into...
Continue ReadingWattUp – RF based Wireless Charging at a Distance
Recently, many big companies such as Samsung have developed wireless chargers which work by induction. These chargers usually consist of a station which needs to be in contact with the device in order to charge. The station defeats the purpose of being able to move and walk while still...
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