Using 50 Lines of Python Code to Decode NOAA APT Weather Satellite Images

From www.rtl-sdr.com 4 weeks ago in Blogs

There are already many image decoders for the NOAA APT weather satellites available, with the most common and feature rich program being the abandoned freeware "WXtoIMG". However many people may not know how simple the APT digital signal processing code...

Army Builds Wideband DC to 20 GHz Quantum Receiver

From www.rtl-sdr.com 3 weeks ago in Blogs

Back in July 2019 we posted about a new development in radio technology known as "Atomic Radio" or "Quantum Radio". In that post we discussed an article that explained the concept and science behind the idea and noted how some...

RF Power Snitch: RF Power Measurement Companion for Protecting RF Equipment

From www.rtl-sdr.com 3 weeks ago in Blogs

Thank you to Majodi Ploegmakers who wrote in and wanted to share a product he's created that might be useful for some RF enthusiasts. The product is called the "RF Power Snitch", and is a tool used to quickly measure...

Kiwikit Raspberry Pi Pico baseboard takes off-the-shelf modules

From www.cnx-software.com 3 days ago in News

While it’s possible to use Raspberry Pi Pico with a breadboard or Veroboard, we’ve seen the benefits of inserting the board into a baseboard such as Maker Pi Pico providing LEDs, a MicroSD card, audio output, and the ability to...

NEW GUIDE: NeoPIO drive lots of LEDS with #CircuitPython on @Raspberry_PI Pico #AdafruitLearningSystem @Adafruit @JeffEpler

From blog.adafruit.com 4 days ago in PlatformsStores

There’s a new guide in the Adafruit Learning System from Jeff Epler: The new RP2040 microcontroller from Raspberry Pi Foundation has a powerful feature: the PIO module, a sort of accelerated I/O processor. One advantage of driving your NeoPixel LEDs...

Cherry Pi PC SBC is an Orange Pi PC clone selling for $16.5 and up

From www.cnx-software.com 6 days ago in News

Orange Pi PC is an Allwinner H3 SBC that was launched in 2015 for as little as $15 plus shipping (now $17.42 with 1 GB RAM), and made by a company called Shenzhen Xunlong Software. The next year, the company...

Size Does Matter: Components Claimed To Be the “World’s Smallest” Hit the Market

From www.allaboutcircuits.com 6 days ago in BlogsNews

It seems the race for smaller form factors is unending. In response, chipmakers and researchers alike are hopping on the demand to shrink component size.

Pine64 unveils Quartz64 SBC powered by Rockchip RK3566 SoC

From www.cnx-software.com 2 weeks ago in News

We may just have written about Geniatech RK3566/RK3568 development board, but as expected, Pine64 has now unveiled more details about Quartz64 SBC powered by Rockchip RK3566 SoC. As we’ll see below, the design is very similar to RK3399 based RockPro64,...

SDRSharp Upgraded to .NET5 with New Plugin SDK For Developers

From www.rtl-sdr.com 3 weeks ago in Blogs

The popular SDR# (SDRSharp) software has recently been updated to version 1788, and now runs on the .NET5 SDK. Most of the upgrades are behind the scenes, but generally the new version appears to be more memory efficient and loads...

Open hardware Raspberry Pi Pico VGA, SD Card, and Audio demo board to support QVGA video playback

From www.cnx-software.com 3 weeks ago in News

Abhishek recently posted an overview of Raspberry Pi RP2040’s two PIO blocks with examples in C and Micropython using some PIO assembler code. He used some basic examples like blinking an LED, but the Raspberry Pi Foundation also mentioned the...

SATSAGEN Spectrum Analyzer Software Updated: Now Supports RTL-SDR

From www.rtl-sdr.com 4 weeks ago in Blogs

Back in March last year we first posted about the release of SATSAGEN, and program by Frank (HB9FXQ) that allowed the PlutoSDR to work as a spectrum analyzer. SATSAGEN has recently been updated to version 0.5, and it now supports...

An Op-Amp From The Ground Up

From hackaday.com 4 weeks ago in Blogs

If we had to pick one part to crown as the universal component in the world of analogue electronics, it would have to be the operational amplifier. The humble op-amp can be configured into so many circuit building blocks that...

Installing and using RTL-SDR and GQRX on a PinePhone

From www.rtl-sdr.com 4 weeks ago in Blogs

Over on YouTube channel "Privacy & Tech Tips" has uploaded a video demonstrating how it's possible to run GQRX with an RTL-SDR on a PinePhone. In the video the presenter shows how to set up the screen so that GQRX...

Bad Week for Boeing: Reports of Third Engine Failure Causes Emergency Landing in Moscow

From hackaday.com 1 day ago in Blogs

Early Friday morning a Boeing 777 performed an emergency landing in Moscow, according to Russian media. The Interfax news agency cites an anonymous source who claims the landing was caused by an engine failure on a flight from Hong Kong...

Gamestonk Terminal – an awesome stock market terminal #GameStop

From blog.adafruit.com 1 day ago in PlatformsStores

Gamestonk Terminal is an awesome stock market terminal that has been developed for fun, while I saw my GME shares tanking. But hey, I like the stock 💎🙌. The implementation (in Python) allows to easily add more commands, and expand on...

Powering Perseverance: How NASA Provides Electricity to a Rover on Mars

From www.allaboutcircuits.com 3 days ago in BlogsNews

Alone on Mars without the possibility of human intervention, how does the Perseverance rover stay powered?

An internet NPR radio with an Adafruit PyPortal and CircuitPython #PyPortal #CircuitPython @NPR @jefforulez

From blog.adafruit.com 3 days ago in PlatformsStores

PyPortal NPR Station: use an Adafruit PyPortal to show what’s currently playing on an NPR station.The project defaults to member-supported WBGO 88.3 FM Newark Public Radio, a premiere jazz public radio station.The project is programmed in CircuitPython – drop the...

JP’s Product Pick of the Week 2/23/21 TMP117 Temperature Sensor @adafruit @johnedgarpark #adafruit #newproductpick

From blog.adafruit.com 3 days ago in PlatformsStores

If you missed this week’s livestream of John Park’s Product Pick of the Week, not to worry, here’s the video (link video). This week’s pick is the Adafruit TMP117 ±0.1°C High Accuracy I2C Temperature Sensor – STEMMA QT / Qwiic!...

Sony Announces Launch of New Low Power Cellular IoT Chipset for NB-IoT Networks – ALT1255

From www.electronics-lab.com 3 days ago in Blogs

New chipset completes Sony’s Altair Cellular IoT solution portfolio to address NB only and NB/2G applications... The post Sony Announces Launch of New Low Power Cellular IoT Chipset for NB-IoT Networks – ALT1255 appeared first on Electronics-Lab.com.

30 FPS Flip-Dot Display Uses Cool Capacitor Trick

From hackaday.com 3 days ago in Blogs

Most people find two problems when it comes to flip-dot displays: where to buy them and how to drive them. If you’re [Pierre Muth] you level up and add the challenge of driving them fast enough to rival non-mechanical displays...

Audio Out Over A UART With An FTDI USB-To-TRS Cable

From hackaday.com 3 days ago in Blogs

What is the easiest way to get audio from a WAV file into a line-level format, ready to be plugged into the amplifier of a HiFi audio set (or portable speaker)? As [Konrad Beckmann] demonstrated on Twitter, all you really...

Engineer and Beauty Queen Xyla Foxlin sends an RTL-SDR and Miss America Crown to Space in a High Altitude Balloon

From www.rtl-sdr.com 4 days ago in Blogs

Xyla Foxlin is a Mechatronics engineer, entrepreneur, and beauty queen who amongst many other titles is also a STEM YouTuber. In her latest YouTube video Xyla sends her Miss America crown that she received as winner of Miss Greater Cleveland...

Capstan Winch Central to This All-Band Adjustable Dipole Antenna

From hackaday.com 4 days ago in Blogs

The perfect antenna is the holy grail of amateur radio. But antenna tuning is a game of inches, and since the optimum length of an antenna depends on the frequency it’s used on, the mere act of spinning the dial...

The Wonders of Roman Concrete and How to Make It

From blog.adafruit.com 4 days ago in PlatformsStores

It’s amazing to try and assess the impact that various materials and technological innovations had on the growth of human civilization. One of those materials is Roman concrete. In this How to Make Everything they explore this ancient wonder and...

At Under a Dollar, New GaN Laser Drivers Indicate Ubiquitous LiDAR Is On Its Way

From www.allaboutcircuits.com 4 days ago in BlogsNews

Bringing indirect time-of-flight (IToF) to cell phones, tablets, drones, and even toy robots may now be possible with a highly-integrated GaN laser driver IC.

NEW GUIDE: Adafruit 1.54″ eInk Display Breakouts #AdafruitLearningSystem @Adafruit @CircuitPython @MakerMelissa

From blog.adafruit.com 4 days ago in PlatformsStores

GaN ToF Laser Driver for Lidar System Design

From www.eetimes.com 4 days ago in News

EPC's new lidars integrate the device driver directly with the GaN laser. This configuration ultimately translates into higher resolution, smaller size, and reduced cost. The post GaN ToF Laser Driver for Lidar System Design appeared first on EETimes.

Developing Robust Motion Detectors Does Not Have to Be a Moving Target

From www.allaboutcircuits.com 4 days ago in BlogsNews

This article discusses some concepts for ensuring motion detector designs will be robust to external disturbances by presenting an infrared detector assembly that can significantly reduce the parts count and improve product performance and reliability. 

Useful Build Tips For Making LED Panel Frames

From hackaday.com 4 days ago in Blogs

[NotLikeALeafOnTheWind] has created many LED-based display projects, and shares his method for making attractive LED panel frames and mounts. At first glance it may look as though slapping a rectangle of aluminum extrusion around a display is all it takes,...

Hackaday Links: February 21, 2021

From hackaday.com 6 days ago in Blogs

Well, that was quite a show! The Perseverance rover arrived on Mars Thursday. Don’t tell the boss, but we spent the afternoon watching the coverage in the house on the big TV rather than slaving away in the office. It...