100V, 1A, synchronous step-down regulator: Iq of 7µA
by Graham Prophet @ edn-europe.com: LT8631 is a 1A, 100V-input-capable synchronous step-down switching regulator. Synchronous rectification delivers efficiency as high as 90% while Burst Mode operation keeps quiescent current under 7µA in no-load standby conditions. Its 3V to...
Continue ReadingTutorial on the Design & Implementation of an FPGA RGB LED Matrix Driver
In this episode Shahriar and Timo demonstrate the design methodology of an FPGA based 32×32 RGB LED matrix driver. Timo has kindly devoted some of his time to describe the block diagram and the thought process which goes into designing this type of FPGA display driver. The various...
Continue ReadingAtmega8 Development Board
Atmega8 Development Board provides a very simple and cost effective platform for prototyping solution. The compact design provides connection to all the pins of the microcontroller for the user. Prototyping solution available for 28-pin ATmega series AVR microcontroller from...
Continue ReadingA Xively AMbient QUality MOnitor built on ATmega328
Davide Gironi has build an indoor ambient quality monitor that is able to measure temperature, humidity, noise and brightness and indicate the ambient quality using 4 bi-color LEDs. He writes: The data it is logged to the xively.com platform, and displayed to the user through 4...
Continue ReadingDIY Weather Station with Bluetooth
by Matej Blagšič @ instructables.com: Recently I attended a course in our University of Electrical Engineering and we were making ourselves a small weather station. It included learning about soldering, sensors and arduino. It was super fun making it with little kids and other...
Continue ReadingGeneration of Sound Using Microcontroller
This project illustrates the use of a microcontroller(MCU) to generate different types of sound. The device uses SST89E54RDA-40-C-PIEMCU, an 8-bit 8051-compatible MCU with embedded SuperFlash memory.The device comes with 24/40KByte of on-chip flash EEPROM program memory which is...
Continue ReadingOrange Pi undercuts Raspberry Pi
by Martin Cooke @ elektormagazine.com: Over the last few months the Asian manufacturer Shenzhen Xunlong Software has released a number of capable open-spec single board computers with the ‘Orange Pi’ label that are both Linux and Android-ready. Their latest offering is the...
Continue ReadingVHF-UHF RF Sniffer
by simpletronic @ instructables.com This is a multi-chapter instructable. I will be describing the making of a short/medium range RF remote-control using the UHF 433Mhz frequency. It´s impossible to setup & adjust a RF transmit-receive link if you are not sure the transmitter is...
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