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Transistors- The 70-year-old invention that changed the world
First transistor made in 1947- Point contact transistor Its been 70 years since the fundamental building block of electronics was created, and it has been getting smaller, and better since then. The...
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NFC 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...
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XMotion 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,...
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Using 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...
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Could 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...
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1.2V-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...
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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...
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Drones- A Blessing or a Curse?
The increasing popularity of unmanned aerial vehicles (drones) has created a lot of security issues and possible privacy threats. Drone manufacturers have made them easy to fly so that any person...
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MicroZed is a Powerful and Low-Cost ARM + FPGA Linux Development Board
MicroZed is a low-cost development board from Avnet, the makers of the $475 ZedBoard and the entry level MiniZed development boards. Its unique design allows it to be used as both a stand-alone...
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Micro-spectrometer Sensor Will Let You Check Air Quality Or Blood Sugar –...
Now you can use your smartphone to check how clean the air is, measure the freshness of food or even the level of your blood sugar. This has never been so easy. All credit goes to the new spectrometer...
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The Little Buddy Talker – Arduino Compatible Speech Chip Set
Small, versatile, fun, and inexpensive! Use the 254 word library to bring speech to your Arduino projects! Speak, Arduino, Speak! About a year ago, I designed an Arduino shield that allowed for you to...
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@Ricoh RP604 300 mA Buck-Boost #DCDC Converter for #IoT applications
This product is in particular suitable in case a supply voltage is required which is somewhere in between the voltage level of a fully charged and fully discharged battery. At a certain moment the...
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Sino: bit – Changing Programming for Kids All Over the World
Creating projects with Arduino can be challenging for kids, this may cause children to lose interest in electronics and DIY projects. The most complicated part is usually the connections required to...
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Angle Sensing with Circular Vertical Hall Technology
Angle sensing has always been challenging particularly in industrial and automotive environment because of the need for precise and accurate sensing at high speeds. Allegro Microsystems developed the...
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A Temperature Logger to Protect Sea turtles
Low-cost/power/size temperature logger Data loggers are small, battery-powered devices used to sense and store information in different situations. They include a microprocessor, data storage, one or...
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Printed circuit board manufacturer – JLCPCB Review
Recently, I had the opportunity to test the printed circuit boards (PCB) offered by JLCPCB. These tests were made in two different boards of the brand and here I’ll report my impressions about them....
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Sensirion presents CO2 and RH/T Sensor Module
At this year’s AHR Expo 2018 trade show in Chicago (January 22 – 24, 2018), Sensirion, the expert in environmental and flow sensor solutions, is introducing the SCD30 – a humidity, temperature and...
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Arduino Real Time Clock with DS1302 and Nokia 5110 LCD Display
Hi guys, in one of our previous tutorials, we made a real time clock, using the DS3231 RTC Module and the 1602 LCD display module. For this tutorial, we will be building something similar using the...
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Researchers Develop Transparent Flexible Terahertz Sensors With Graphene
The researchers of the Swedish Chalmers University of Technology have developed a new design of terahertz sensor using Graphene. This flexible sensor can be integrated into wearable materials. Most...
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Alexa On Every Device with the Amazon Alexa Premium Far-Field Voice...
Amazon’s Alexa is an intelligent voice-controlled personal assistant launched in 2014 and has been on an increasing demand ever since. First integrated into the Echo, the Alexa platform has been an...
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