LTC4380 Overvoltage Protection
Thomas Scherer @ elektormagazine.com writes: When it comes to protecting sensitive circuitry from potentially damaging over-voltage spikes and supply surges we usually resort to networks of coils, capacitors, resistors and suppression diodes to iron out the transients. The LTC4380...
Continue ReadingSensorTile, An Accurate Development Kit For Biometric Wearables
Valencell, a biometric wearable sensor technology company, in partnership with STMicroelectronics, an electronics and semiconductor manufacturer, announced a new highly accurate and scalable development kit for biometric wearables. The kit combines ST's compact SensorTile turnkey...
Continue ReadingRGBdigit clock
by Lucky @ elektormagazine.com build a LED display clock able to display temperature, humidity and air pressure. He writes: What do you do when you want to design ‘something’ with a vintage or modern display? A clock of course, and this is our first design with RGBDigits:...
Continue ReadingArduino Tutorial: Menu on a Nokia 5110 LCD Display Tutorial
In this easy Arduino Tutorial educ8s.tv is going to show us how to create a Menu on a Nokia 5110 LCD display. This is the project we are going to build. In the display a simple menu appears, and with the help of three buttons I can navigate up, or down and select a menu item. Let’s...
Continue ReadingHigh Performance Stereo Audio Amplifier using LM3886
The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4Ω load and 38W into 8Ω with 0.1% THD+N from 20Hz–20kHz. The performance of the LM3886, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe) protection...
Continue ReadingOpen Source Meets Hardware: Open Processor Core
SiFive, the first fabless provider of customized, open-source-enabled semiconductors, had recently announced the availability of its Freedom Everywhere 310 (FE310) system on a chip (SoC), the industry’s first commercially available SoC based on the free and open RISC-V instruction set...
Continue ReadingSMART.IO, An Affordable Remote Control for Embedded Designs
Creating a smartphone application for your embedded products may be a high-cost process that consumes time and efforts. ImageCraft, a producer of high quality low cost embedded system tools, had developed “Smatr.IO” as a very cheap alternative solution that allows you to add a...
Continue ReadingInside the 74181 ALU chip: die photos and reverse engineering
A detailed die photos and reverse engineering of the 74181 ALU chip by Ken Shirriff: What’s inside a TTL chip? To find out, I opened up a 74181 ALU chip, took high-resolution die photos, and reverse-engineered the chip.1 Inside I found several types of gates, implemented with...
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