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How to measure 5G radiation
Electromagnetic Field (EMF) meters are used to measure RF radiation. With 5G deployments are growing worldwide, the […]
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Best RF Bug Detector in 2021
What is an RF bug detector? An RF or electronic bug is commonly used for acquiring secret information. A bug is a […]
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Old TV disrupts broadband for 18 months
The BBC has an article today on how an old television was found to be the source of radio interference that caused an […]
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Best Shortwave Radio for 2021
Introduction Shortwave refers to radio communication using frequencies falling in the shortwave region of the […]
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Take a course in Communications and SDR this Summer
Over at Stanford University, John Gill and Nicholas Broad have uploaded their foundation course on Analog and Digital […]
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Arduino Uno Manual
Here is a new book for all Arduino enthusiasts – the Arduino Uno Hardware Manual. […]
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PWM on an Oscilloscope
What PWM looks like on an oscilloscope. PWM is Pulse Width Modulation which can be used […]
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Arduino Genuino Zero Atmel Studio Can Not Upgrade Firmware
Arduino Genuino Zero Atmel Studio can not upgrade firmware after trying to connect to […]
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Wemos SAMD21 M0 Arduino M0 Compatible Board
An Arduino M0 compatible board called Wemos SAMD21 M0 is available from several online […]
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GY-BMP280-3.3 Pressure Sensor Module Arduino Tutorial and Pinout
GY-BMP280-3.3 high precision atmospheric pressure sensor module for Arduino – […]
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ReSpeaker Messenger
ReSpeaker Messenger: Sending and receiving Slack and Telegram messages using ReSpeaker Voice Interaction Board […]
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Using FreeRTOS multi-tasking in Arduino
The Arduino IDE and environment has many drivers and libraries available within an arms reach, but the Arduino […]
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Sfera Labs’ Iono Pi Max combines an industrial server with a programmable controller in single DIN-rail solution
Industrial-grade solution based on Raspberry Pi, open source software and optimized hardware is set to disrupt the IIoT […]
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Gameduino 3X Dazzler – HDMI
The Gameduino 3X Dazzler is an Arduino-compatible shield that outputs HD picture and sound to any HDMI display or TV. […]
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Home Automation and Monitoring (Powered by RSL10 and Alexa)
In this project, I am going to show how I made Alexa enabled home monitoring and controlling system using […]
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What is DrMOS—the IC Powering Next-Gen Processors?
Integrated powertrain devices go back at least as far as 2004 when Intel wrote the specification for DrMOS, a […]
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A Closer Look at MARSIS, the Radar that Discovered Lakes on Mars
This week, the European Space Agency discovered underground lakes of liquid water on Mars. What circuit-level hardware […]
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Finding Statistical Relationships with Correlation Coefficients
The Pearson and Spearman correlation coefficients are standard techniques for inferring causation by calculating the […]
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Non-Idealities in VLSI Circuits
This article discusses VLSI (very-large-scale integration) circuits and the sources of non-idealities that affect MOS […]
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Musical Internet of Things Connects Music Lovers in an Age of Distancing
At a time of physical distancing, the applications of Musical Internet of Things are ever more relevant.
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Got Technical Support?
SparkFun does and we are available for you on the SparkFun forums!
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Touchless light show with the Qwiic Dual Solid State Relay
Working from home is not without its difficulties, but with just a couple of proximity […]
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A Dual Solid State Relay, You Say?
A new Qwiic-enabled 25A/250V dual solid state relay is here, along with a slew of new gas […]
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SparkFun on Arm's Innovation Coffee
We recently joined Arm to talk about the the Artemis Dev Kit running Mbed OS, BLE, tinyML […]
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Using RFID to Prevent Property Theft
Vacation rentals are on the rise - how can property owners protect valuables?