signals Archives - Page 3 of 4 - Projects Tutorials Code Library for Atmels Atmega32 AVR

SCOPEFUN – OPEN SOURCE ALL-IN-ONE INSTRUMENTATION

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Five Benchtop Tools in One Open Source Device. ScopeFun in an open source, all-in-one instrumentation platform. It includes an oscilloscope, arbitrary waveform generator, spectrum analyzer, logic analyzer, and digital pattern generator. Hardware Hardware is built around Xilinx Artix-7 FPGA with an onboard RAM available for buffering samples (512 MB DDR3 SDRAM). All hardware settings are controlled via software GUI. USB connectivity […]

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3 Phase AC Motor Controller

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This project made using MC3PHAC from NXP Semiconductor. The project generates 6 PWM signals for 3 Phase AC Motor controller. It’s very easy to make professional VFD combining with Intelligent Power Module (IPM) or 3 Phase IGBT/MOSFET with Gate driver. The board provides 6 PWM signals for the IPM or IGBT Inverter and also brake

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IkaScope: a wireless oscilloscope probe

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IkaScope is a wireless oscilloscope probe that allows to observe the change of electrical signals over time. The probe is a handheld device, portable and fits perfectly in the hand and pocket. By using high-speed Wi-Fi connection, IkaScope wireless oscilloscope probe communicates with laptop, tablet or smartphone to share the acquired data on the screen.

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This Wearable Stick-On Ultrasound Patch Can Measure Blood Pressure Deep Inside Body

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Scientists at the University of California San Diego created a new wearable ultrasound patch that non-invasively monitors blood pressure in arteries deep beneath the skin such as the jugular vein and carotid artery. The new patch could be helpful in detecting cardiovascular problems earlier on and with greater precision. In a proof-of-concept study, the patch

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DECODING RUSSIAN METEOR-M2 SATELLITE IMAGES IN REAL TIME

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The Meteor-M N2 is a polar orbiting Russian weather satellite that was launched on July 8, 2014. Its main missions are weather forecasting, climate change monitoring, sea water monitoring/forecasting and space weather analysis/prediction. Meteor-M N2 transmits images using the digital LRPT protocol at around 137.1 MHz with can be received with an RTL-SDR. The chipset of RTL

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Wyostat: Open source Thermostat

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Does the world need another connected thermostat? When my thermostat went on the blink last winter, I looked at Nest, and Ecobee, and the other me-too thermostats, and I decided I would rather build my own. If Nest goes out of business (or even more likely, Google decides to go a different direction), all that

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Femtosecond Electronics With Plasmonic Hot Electron Nano-emitters

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A team led by the Technical University of Munich (TUM) physicists Alexander Holleitner and Reinhard Kienberger has found success for the first time in generating ultrashort electric pulses on a chip. They made this possible by using asymmetric metal antennas only a few nanometers in dimension, then running the signals a few millimeters above the

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HSN-1000 NUCLEAR EVENT DETECTOR

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DDC’s HSN-1000 radiation-hardened Hybrid Nuclear Event Detector (NED) senses ionizing radiation pulses generated by a nuclear event, such as the detonation of a nuclear weapon, and rapidly switches its output from the normal high state to a low state with a propagation delay time of less than 20ns. The active low Nuclear Event Detection signal (NED) is

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ISP Programmer for ATmega32 Microcontroller

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So far I’ve discussed about the micro controller basics and the compiler software. I’ve yet not written anything about programming. ATmega32 series micro controllers support 3 types of programming Parallel Programming ISP Programming or serial Programming Programming via JTAG Here ISP stands for In System Programmer. To burn a micro controller just

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Working with External Interrupts in AVR micro controller

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Introduction to Interrupts Although micro controllers can accept inputs from Digital I/O Ports,interrupts are preferred for accepting inputs generated by external events. This is mainly because of the less attention required for an interrupt based program. An Interrupt Event directs the flow of program execution to a totally independent piece of code, known as “Interrupt

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